Re: [TriEmbed] Considering USB O-Scope - looking for advice

I'll see if I can hunt up the article in Nuts&Volts Magazine that compared and reviewed a number of USB scopes and post their conclusion here. Also Elektor Magazine did a review of a number of standalone scopes most of which allowed you to capture oscillograms using your laptop, and can use your l

[TriEmbed] Fwd: BeagleBone Webinar Series Starting This Week

I thought this might be of interest to the Splat & TriEmbed communities, especially those wanting to learn about microcontroller boards other than the R-Pi and Ardino: -- Forwarded message -- From: BeagleBoard.org® Date: Mon, May 7, 2018 at 2:37 PM BeagleBone 6 Part Webinar Seri

[TriEmbed] Latest Micro Mark sale

Normally we don't repost advertising on these mailing lists, but some of these short-term deals makes sense for our membership: Micro-Mark 90th Anniversary Sale http://e.micromark.com/public/viewmessage/html/38791/0iozqsaxr8a4m52xmw8fpsxgszdes/0bdd03eb00115245 - sgh _

[TriEmbed] Beware Chinese knockoffs !!

I came across this ad from GearBest today. Normally I have received OK products from GearBest, knowing that they are a Chinese company with little or no regulations on their products. If you stick with known products marked as from Chinese companies, like their Arduino clones, you can save a buck

[TriEmbed] Raspberry Pi Photo Booth

A few folks have created or are working on or creating a photo booth out of a Raspberry Pi. Well here are a couple of articles that inspired my own creation: Nuts & Volts Magazine - PiBooth — A Raspberry Pi based Photo Booth https://www.nutsvolts.com/magazine/article/march2016_RaspPiDigitalPhotoB

[TriEmbed] Fwd: BeagleBone Webinar Series Starting This Week

Forwarded Message Subject: BeagleBone Webinar Series Starting This Week Date: Mon, 7 May 2018 13:39:51 -0500 (CDT) From: BeagleBoard.org® BeagleBone 6 Part Webinar Series presented by Jason Kridner [image: beagleboard.org]

[TriEmbed] Reminder: Hack Afternoon, Followup to this month's TriLUG Meeting

This is a reminder that we are having a second hack-afternoon to work on projects and followup on this month's TriLUG meeting, Prof. Jasper's Exploring LoRa, IoT & Raspberry Pi. We will gather again at SplatSpace in Durham. You can RSVP and get directions here: https://www.meetup.com/splatspace/e

[TriEmbed] Exciting Timely LoRa Followup from Elektor Media

Hey folks, I received a timely email from Elektor Media about some new LoRa experimenters boards available. Check these out: Elektor Media announcement: https://mailchi.mp/elektor/ dragino-en?e=d21c671107 Dragino LoRa IoT Development Kit (868 MHz) -- $121 https://www.elektor.com/dragino-lora-iot

Re: [TriEmbed] micro center sale on beagle bone pocketbeagle

I just went to their site, and found no such sale. Beaglebone Black for $45, and Pocket Beagles for $20. http://www.microcenter.com/search/search_results.aspx?Ntt=Beaglebone - sgh On Fri, Jun 1, 2018 at 3:03 PM, Alex via TriEmbed wrote: > I was looking for Beaglebones and found Microcenter ha

[TriEmbed] Wireless radio communications for microcontrollers

Recently in TriLUG, TriEmbed and TriBRAE meetings we have talked about various options to send data over a wireless link.  They include: * Near field communications (NFC) - limited range to a few inches * Bluetooth LE - designed for PAN (Personal Area Networks) limited to a few feet * Zigbe

[TriEmbed] Using RUST for ESP8266 (or general embedded) programming

I have a friend at work, Al Bennett (see cc:), who is looking for a project to dig into using RUST to program an embedded systems board. The ESP8266 series came to mind because he has some (and they are cheap) and a simple lighting control project would be a good starter, but it could be on someth

[TriEmbed] Sine waves from a $1 uC

For those times when you just need to generate a quick true-sinewave signal, Elektor Magazine has put out an article on their Elektor LABS forums on using a ATTiny45 to generate a sine wave via a IIR filter: Sine generation by an IIR filter approach on low-cost 8 bit MCU's: https://www.elektormaga

Re: [TriEmbed] prebuilt JST PM jumper source

Anixter also does custom cables of this type. Though I find Connect It cheaper. On Mon, Aug 13, 2018 at 1:02 PM, Rick via TriEmbed wrote: > Pete and all, > > Don't forget DigiKey and Mouser will perform value-added services to their > catalog items if your local source(s) don't work out. > > Re

Re: [TriEmbed] Coffee roaster

Craig, there is nothing vintage in there -- that /IS/ today's components.  What's probably throwing you is that you're seeing a European hot-air popper.  American poppers are closer to this: https://www.amazon.com/Presto-04863-Poplite-Popper-Color/dp/B01G7DM3G2 and don't have near the same number o

[TriEmbed] Model Train Show this weekend

-- Forwarded message - From: Scott Hall Date: Tue, Oct 30, 2018, 3:58 PM Subject: Model Train Show this weekend To: Timothy Tooley Here are $1-off coupons to the Model Train Show at the State Fairgrounds, Jim Graham building, this weekend: -- Scott Hall IBM-blue Accipiter CMM F

[TriEmbed] Reminder: Model Train Show this weekend at the fairgrounds.

Come to the Jim Graham building to our Learn-to-Solder and electronics table. I left $1-off coupons on the tables and the front counter. You can also print your own from the website: http://nrvclub.org/ - sgh ___ Triangle, NC Embedded Computing mailing

[TriEmbed] An Article from Embedded Computing Design's Hub

Reading latest issue of Embedded Computing Design I saw a conjucture between DIY Bio and Embedded Systems: Biometrics’ Place in the Embedded Industry Sensory’s focus on AI and biometrics has always been on the embedded side. We believe in data privacy and we think the best way to accomplish that i

[TriEmbed] Fwd: RARSfest News

Forwarded Message Subject:RARSfest News Date: Fri, 4 Jan 2019 18:39:09 -0500 From: Hank Montgomery To: Area Technical Organizations Forwarded on behalf of Tara, W4TSW  *47th Annual RARS/fest/* *ARRL NC State Convention   April 20, 2019 at NC State Fairgrounds*

Re: [TriEmbed] Good article on how to solder surface mount parts

In my Learn to Solder gatherings and mentoring, I have had prints of this article available for several years now. I need to agree with some of the discussion points though, and disagree with one: - Braided Solder Wick almost always comes with some impregnated rosin flux (not "resin" BTW),

[TriEmbed] Fwd: Last Email from Radio-Electronics | Oscilloscopes | Soldering | LED Technology | PSUs . . . . . .

Reposting this email for those interested in electronics, and for good articles and information on electronics: -- Forwarded message - From: Radio-Electronics.com Date: Wed, Jan 30, 2019 at 2:04 AM Subject: Last Email from Radio-Electronics | Oscilloscopes | Soldering | LED Techno

[TriEmbed] DIY a Time-Domain Reflectometer for your Oscilloscope!

A TDR is an intriguing measurement add-on -- it's used used to test the signal path on PCBs, to detect faults or breaks in cables, and some other neat tricks. Ted Yapo built this one from an old design, but updated it with modern versions of 7400 logic. Hackaday.io Newletter "Tiny TDR": https://ha

[TriEmbed] Cross-posted: Thread on selecting NUC, SBC, SOM/COM or SOC for a project

I cross-posted these from the SplatSpace Slack workspace, the #electronics channel, to enlist additional comments and discussions: Graham McCullough Oct 3, 2:31 PM Nuc-like, I guess. I mean,

[TriEmbed] Fwd: Interested in Kubernetes and other Container technologies ?

There is a local group that meets once a month, the Triangle Kubernetes and OpenShift. As their Meetup page explains: "This is a platform for people in RTP, NC to discuss, participate, learn and collaborate about Kubernetes, and platforms that utilize it like OpenShift. The Meetup events are for

[TriEmbed] Article: Elektor Magazine: Infineon for Makers Means Arduino Shields 4U

*Infineon for Makers Means Arduino Shields 4U * *Infineon for Makers means Arduino-compatible shields and shields2go to evaluate BLDC motor drivers, LED drivers, XMC microcontrollers MCUs, and m

Re: [TriEmbed] Article: Elektor Magazine: Infineon for Makers Means Arduino Shields 4U

board. Shipping is with a "standard rate" of around $4.45. What's > the lead time of their standard shipping, Scott? > > -Pete > > On 10/18/19 11:27 AM, Scott Hall via TriEmbed wrote: > > *Infineon for Makers Means Arduino Shields 4U > <https:/

Re: [TriEmbed] Article: Elektor Magazine: Infineon for Makers Means Arduino Shields 4U

s in Germany about 15 years ago. So the Infineon temp sensor >> board is roughly $8.90, about two dollars less than what Digikey wants for >> the chip on that board. Shipping is with a "standard rate" of around $4.45. >> What's the lead time of their standard shippi

Re: [TriEmbed] Article: Elektor Magazine: Infineon for Makers Means Arduino Shields 4U

oard is roughly $8.90, about two dollars less than what Digikey wants for >>> the chip on that board. Shipping is with a "standard rate" of around $4.45. >>> What's the lead time of their standard shipping, Scott? >>> >>> -Pete >>> >&

[TriEmbed] One man's experience with LoRa to a public LoRa satellite

"Transfer a LoRa message through space to my PC before 2020?" https://youtu.be/n911zTNIn8E --same man's previous experience (not so good) "We build a 20 Dollars LoRa Satellite Ground Station and we follow the FossaSat-1 launch" https://youtu.be/5k0aM-PJzo8 _

[TriEmbed] Need 1 or 2 MOSFETs

Hey, does anyone have any MOSFETs I can get from you? I'm looking for a low turn-on voltage (3.3V or 4.5), max D-S voltage of 20V or more and a D current of at least 10A. This is the part that I am replacing: https://www.infineon.com/dgdl/irlr7843pbf.pdf?fileId=5546d462533600a40153566de53526d8 (I

Re: [TriEmbed] Need 1 or 2 MOSFETs

Thanks folks; I'm going to meet with Pete & Brian first and get 3 each from them. Thanks again for all the help. On Thu, Jan 23, 2020 at 11:44 AM Scott Hall wrote: > Hey, does anyone have any MOSFETs I can get from you? I'm looking for a > low turn-on voltage (3.3V or 4.5), max D-S voltage of

[TriEmbed] Fwd: Triangle Area Makers: New announcement

Even if you don't show off your projects, it would be good to go to see other people's projects, Courtesy of the Apex-based makerspace "Triangle Makers" -- Forwarded message - From: James Matlock (Meetup) Date: Thu, Feb 20, 2020 at 2:26 PM Subject: Triangle Area Makers: New announ

[TriEmbed] RARSfest cancelled

I had 10 tables bought for the non-profit club island (SplatSpace, TAR, TriEmbed, TriLUG, HackLab, Triangle Makers, Neuse River Valley MRR), and this event has now been cancelled. We'll see if we can reorganize for the Cary hamfest and if not we'll get together again next year. If the RARSfest i

Re: [TriEmbed] Hacking a fake vintage radio (with Arduino + Pi 0)

Hey great project Huan! I am into restoring or refinishing old antique radios and cabinets, and have implemented more than one "fake vintage" radio using a microcontroller - in the recent half-decade using SDR radio. Over the years I had to implement a true random number generator on a microcontr

[TriEmbed] Two pretty cool developments in the Open Source Hardware world

https://fossi-foundation.org/2020/06/30/skywater-pdk https://github.com/openpower-cores/a2i -- Scott G. Hall Raleigh, NC, USA scottgha...@gmail.com *Although kindness is rarely a job, no matter what you do it's always an option.* ___ Triangle, NC Embedde

Re: [TriEmbed] Hacking a fake vintage radio (with Arduino + Pi 0)

NO NO, DON'T USE GOTO ! Seriously though, this has been a behaviour of the Arduino compiler compilation for a while -- its even mentioned in some Arduino books. The workaround is to have a single function called for each case label and to put the statements desired with the function. This gets o

Re: [TriEmbed] Hacking a fake vintage radio (with Arduino + Pi 0)

I learned FORTRAN in highschool (late '70s) and converted an Apple ][ Applesoft BASIC interpreter into a FORTRAN-4 interpreter -- I found out that the two languages were very similar token for token and just edited the strings recognized for the tokens. Other than one class project in college (198

Re: [TriEmbed] Electric Fence monitoring

You could use a 74LVC245 tristate driver (I'm stuck with a bunch of them) or 74LCX07 hex buffer or 74LCX541 octal buffer that are 5V input tolerant and drive 3.3v outputs, but you would loose the analogous of the signal -- it would be conditioned to a digital signal. For a recommended solution, lo

Re: [TriEmbed] Hacking a fake vintage radio (with Arduino + Pi 0)

>> When programming for yourself, anything goes to get to the result as quick and painless as possible for me. Boy do I gotta disagree - I even wrote a chapter in my book on this. You always need to program for maintenance, even if you're the only one that will set eyes on it. I can't recount ho

[TriEmbed] Engineer and Mythbusters star Grant Imahara dies Monday

Los Angeles native, electrical engineer and roboticist Grant Imahara died unexpectedly on Monday, July 13, at age 49, after suffering a brain aneurysm. US Magazine "Grant Imahara Dead: ‘MythBusters’ Cohost and Electrical Engineer Dies at 49, Cohosts Pay Tribute" https://www.usmagazine.com/celebrit

Re: [TriEmbed] ESP32-SOLO-1

Here is an article from Espressif on getting started on programming the ESP-32 with specific notes on the Solo-1: "Get Started - ESP32 - — ESP-IDF Programming Guide latest documentation" https://docs.espressif.com/projects/e

Re: [TriEmbed] ESP32-SOLO-1

Here is Hackaday's tutorial on it; you need to keep in mind the settings difference for the SOLO-1: https://hackaday.com/2016/10/04/how-to-get-started-with-the-esp32/ - sgh On Wed, Jul 15, 2020 at 11:32 PM Scott Hall wrote: > Here is an article from Espressif on getting started on programming t

Re: [TriEmbed] removing the "bumps" from OSH Park boards

A quick tap up against a vertical power sander does the trick for me -- less than a second per edge. On Mon, Jul 20, 2020 at 7:25 PM Glen Smith via TriEmbed < triembed@triembed.org> wrote: > It's been a while since I had to do this on any kind of scale, but a small > diamond whetstone works great

[TriEmbed] Don't you just hate that turn-on surge that damages circuits?

Here is an article from Elektor Magazine's blogs about inrush current protection: Build an Inrush Current Limiter for AC and DC Loads The inrush current, input surge current, or switch-on surge

Re: [TriEmbed] ADC

I believe the CA3306E are only 6-bit sampling resolution. (see datasheet: https://www.digchip.com/datasheets/parts/datasheet/235/CA3306E-pdf.php) The Microchip MCP3008 is a 8-ch 10-bit ADC with SPI-interface on a 16-pin DIP. $2.19 at Mouser: https://www.mouser.com/productdetail/microchip-technol

Re: [TriEmbed] ADC

John, essentially you mean the ATMEGA329 chip in the Arduino ... I would add that quite a number of the AVR chips have the 10-bit ADCs built in, different chips with different number of of analog inputs and sampling speeds. Another set of chips with built-in ADCs are the PIC16F series. I suspect

Re: [TriEmbed] Subject: Triembed - Open Proposal

Try a AD7822 for a start. Here is an article from Maker Pro talking about such a circuit: /How to Make a Circuit That Detects High Frequencies: The Bat Detector!/: https://maker.pro/pcb/projects/how-to-build-your-own-bat-detector Also check out: /A Simple Bat Detector based shield for the Arduino

Re: [TriEmbed] ADC

Modbus can be used over a TTL serial link -- as long as you take electrical characteristics into consideration.  In fact, modbus has been used in many connection types, even parallel buses and wireless links.  I've even seen modbus embedded in another protocol layer, such as Zigbee, MQTT or of cour

[TriEmbed] Product launch of electronics kit for smart home device development on a R-Pi

Electronics Weekly, 30-Oct-20: "*Infineon launches Raspberry Pi-based design kit for secure smart home devices*" https://www.electronicsweekly.com/news/business/infineon-launches-raspberry-pi-based-design-kit-secure-smart-home-devices-2020-10/ > *Basing the new kit on the familiar Raspberry Pi pla

[TriEmbed] Product launch of electronics kit for smart home device development on an Arduino

As a followup to my previous email, I found this article from Elektor Magazine: Elektor Magazine News, 30-Oct-20: "*Arduino’s Oplà IoT Kit*" https://www.elektormagazine.com/news/amd-xilinx-deal > Arduino, IoT, open platform: Any of these concepts interest you? If so, > you’re in luck. Arduino jus

Re: [TriEmbed] Powering ESP32 from an 8v golf cart battery

For linear regulators like the 78xx series you have a minimum 2-volt drop to account for the B-E junctions of 2 transistors and the drop of a zener diode (emitter-follower series current pass element, error amplifier and voltage reference).  So for a 5V regulator, you need to provide a minimum 7V i

Re: [TriEmbed] Powering ESP32 from an 8v golf cart battery

The spec you are looking on a datasheet for a linear regulator is the "Dropout Voltage".  Dropout voltage + regulated voltage is your minimum input voltage. On 11/15/20 10:34 PM, The MacDougals via TriEmbed wrote: > > Thanks for the responses.  Keep them coming. > > My question is more on “how do

Re: [TriEmbed] H264, wmv or avi for microscope video?

Pete, I find that AVI format is better for editing a video, but WMV is better for publishing a video to others. On 1/6/21 2:10 PM, Pete Soper via TriEmbed wrote: > Which file format is most portable or do folks recommend? I'll want to use > Handbrake for editing. > Pete > > Sent by my phone with a

Re: [TriEmbed] H264, wmv or avi for microscope video?

Now that Carl says that, he is right.  The software I use immediately converts any AVI files I have into MPG-4, and I think services like YouTube can take an MPG-4 file directly.  So ignore my previous message. On 1/6/21 2:56 PM, Carl Nobile via TriEmbed wrote: > Actually, both WMV and AVI are con

Re: [TriEmbed] ESP8266 Programming tip

Interrupts are the way to.  I have been advocating and professing using asynchronous coding techniques over synchronous techniques ever since the late 1980s.  Interrupt routines are to get the values of an interface quickly and set a handshake variable to a slower processing routine.  You never use

Re: [TriEmbed] ESP8266 Programming tip

I concur. On 1/26/21 1:38 PM, Carl Nobile via TriEmbed wrote: > This one may be better. > https://deepbluembedded.com/why-use-timer-instead-of-delay/ > > > On Tue, Jan 26, 2021 at 1:35 PM Carl Nobile > wrote: > > John, > > So I assume you need a delay there,

Re: [TriEmbed] laptop fan motor control question

Pete, For most cooling fans the 3 wires are: red = positive, black = negative, white = ground. A fan can create a lot of EMF, and the extra ground is to suppress the noise reaching the circuit board. However, on other fans: red = power, black = ground, white = pulse control for PWM speed control.

Re: [TriEmbed] laptop fan motor control question

John, My earlier message was wrong about the signal direction of the white or yellow wire, but the signal wire is not only for whether the fan is rotating or not (to check if it is stalled to avoid too much compensation current) but to check the current speed of the fan to determine whether to incr

[TriEmbed] Don't get fooled by fake circuit breakers!

Even though the example video here is for British panel circuit breakers, American versions are showing up here too! "Inside a fake un-trippable circuit breaker": https://youtu.be/2TJEzdqtXlQ Renting tenants beware! And too what you buy off-brand. ___

[TriEmbed] Raspberry Pi Pico Emulator from Hackaday.io

https://hackaday.io/project/177082-raspberry-pi-pico-emulator ___ Triangle, NC Embedded Computing mailing list To post message: TriEmbed@triembed.org List info: http://mail.triembed.org/mailman/listinfo/triembed_triembed.org TriEmbed web site: http://Tri

[TriEmbed] ***SPAM*** Re: Yahoogroups shutdown permanently - lost Triangle Robotics email list

I use Thunderbird in Linux POP3 mode to read my email, and it saves the email in old fashioned UNIX mbox format.  You can literally awk through an ASCII file for all "To:" and "From:" lines (multilines) and build up an array dump out -- all without spending any money! - sgh On 2/3/21 1:09 PM, Rod

[TriEmbed] Fwd: RARSfest News Feb. 2021

Hey, I got notice that this year's Raleigh Amateur Radio Society RARSfest has also been cancelled. Normally I would organize a non-profit island of tables for all our clubs to showcase ourselves and offer interactive involvement (such as a robotics competition, a learn to solder workshop, project

[TriEmbed] Donations of old computers and electronics

Quite a number of folks have asked about SplatSpace accepting donations of old computers, monitors, stereo & television electronics and the like. We do, but only to the extent that they can be immediately useful at the space to replace or update existing equipment, or for a new project in particul

[TriEmbed] Wanted: Laptop memory: DDR3 SDRAM 1600mhz pc3-12800 SO-DIMM

Please contact me if you have some I can acquire from you. -- Scott G. Hall Raleigh, NC, USA scottgha...@gmail.com *Although kindness is rarely a job, no matter what you do it's always an option.* ___ Triangle, NC Embedded Computing mailing list To pos

Re: [TriEmbed] Is that ttyUSB0 or ttyUSB1 this time?

What a lot of people don't realize is that all entries in the /dev directory are actually "nodes" or hooks in the various hardware device drivers -- in this case the serial driver.   If you do a "ls -l /dev" you will notice that it shows you both the major node ID, or device driver table entry, of

[TriEmbed] Have you heard about the ATMegaZero ?

Its bad enough that the Raspberry Pi organization is stepping into the non-OS microcontroller boards with the R-Pi PICO, but now there is a group who have created the ATMegaZero in a R-Pi Zero formfactor. >From their Facebook page: (https://www.facebook.com/atmegazero/) > *The ATMegaZero is a mi

[TriEmbed] Budget minded oscilloscope

During the TriBRAE workshop yesterday, there was some inquiries as to what oscilloscope to get on a budget. I know this has been discussed in the TriEmbed group a few times. Here is an article from PC Guide Magazine: "Best Oscilloscope for Makers and Hobbists": https://www.pcguide.com/reviews/best

[TriEmbed] Fwd: Hamfest Meets in 2021

I had previously sent a message out that the local ham radio clubs, RARS, Durham FM Assoc, Cary Hamists, have each cancelled their hamfests. I just received a note from someone that there has been a mini-hamfest held each month, if you are still interested in testing and getting your license, and p

[TriEmbed] Great video on how to use an oscilloscope

Keysight University: "How to Use an Oscilloscope - Mega Guide" https://www.youtube.com/watch?v=t_UTV_9dpTc ___ Triangle, NC Embedded Computing mailing list To post message: TriEmbed@triembed.org List info: http://mail.triembed.org/mailman/listinfo/triemb

[TriEmbed] What to have and use on an electronics workbench

This is a video from this week's seminars happening at Keysight University. Keysight University: "A Perfect Electronics Bench?" https://www.youtube.com/watch?v=l7OOnv8_m0c ___ Triangle, NC Embedded Computing mailing list To post message: TriEmbed@triemb

[TriEmbed] Understanding Op Amps... Electronic Design News' Operational Amplifiers Lessons ebook

>From Electronic Design News: "*The Signal: Operational Amplifiers Lessons*" https://www.ti.com/lit/eb/slyt701/slyt701.pdf?HQS=asc-amps-pramps-thesignal-agg-ebook-ElectronicDesign-wwe&ts=1616762733602 An e-book compiling 32 bite-sized operational amplifier lessons from Texas Instruments on design t

[TriEmbed] #electronics Add a 360K Floppy Drive to Your Raspberry Pi

Why connect an obsolete 360KB floppy disk drive to a Raspberry Pi? "Because it is there"! Elektor Magazine has a neat article on doing it: https://www.elektormagazine.com/news/add-a-360k-floppy-drive-to-your-raspberry-pi?utm_source=Elektor+International+%28English%29&utm_campaign=d3a4598c97-EMAIL

[TriEmbed] Build a Simple yet High-Quality Phono Preamplifier

Vinyl records are making a comeback, Wikipedia even has a page on “Vinyl revival”. Maybe you kept a record player somewhere in the attic together with some LPs, but does your amplifier have a phono input? If is doesn’t, then this circuit from Elektor Magazine is for you.: "High Quality PU RIAA Prea

[TriEmbed] #electronics Elektor Industry "Embedded & Tools" Edition Now Available

The new edition of Elektor Industry magazine (1/2021) focuses on embedded systems, microcontrollers and tools. Check out this special edition for the embedded world DIGITAL trade show. https://www.elektormagazine.com/news/elektor-industry-embedded-tools-edition-now-available?utm_source=Elektor+Inte

[TriEmbed] RTP Electronics Recycling Day Drive-Thru Event

A little late to let people know, but if you have old electronics -- specifically computers, printers, laptops, monitors, A/V equipment, etc. Kramden Institute is holding an "RTP Electronics Recycling Day Drive-Thru Event" to support Earth Day over near the Frontier buildings on Park Offices Drive

[TriEmbed] Tour a NYC Electronics Workspace ...

Elektor Magazine: Whitney Knitter shows us her New York City-based electronics workspace, where she tackles FPGA, SDR, and DIY electronics projects. *A New York City-Based Workspace for FPGA and SDR Projects*: https://www.elektormagazine.com/articles/new-york-city-worskpace-fpga-sdr-projects __

[TriEmbed] Need some TSOP38238 infrared receivers

*Posting this request for a friend:* >From Aaron Averill: This is a strange and very specific question but I'm playing around with using IR remote controls with Arduino and was wondering if a

[TriEmbed] Various meetups that persons might be interested in...

A number of persons have talked to me about information on starting up your own company, recent useful open source software, and so on. I wanted to let you all know about some meetups happening in just the next couple of days. Here is a screen-capture of my latest notices: [image: image.png] --

[TriEmbed] Inexpensive board solution for low-power applications

At last night's meeting, it was discussed a low-power project that needed battery management. Elektor Magazine's store site is clearancing out a development kit from Maxim that has a MAX78000 dual-core Arm Cortex-M4F processor with an integrated Convolutional Neural Network accelerator for AI work

[TriEmbed] Fwd: Anyone need a M-key to PCI-express adapter card ?

On Aug 30, 2021 Richard Milward wrote: > I mistakenly ordered 2 of these, which I don't actually need. Any takers? > https://www.aliexpress.com/item/32987994968.html > ___ Triangle, NC Embedded Computing mailing list To post message: TriEmbed@triembe

Re: [TriEmbed] Free IoT conference Tuesday-Wednesday this week

I have just been attending the "WIR-101: Extending IoT Communication Beyond Four Walls" one, and it had much information I already knew, but also new stuff I didn't know. Very nice... On Tue, Sep 14, 2021 at 10:27 AM Pete Soper via TriEmbed < triembed@triembed.org> wrote: > In the "whole schedul

Re: [TriEmbed] Laptop crash

Paul, You might try an adapter to check it in another computer.  I use an external SATA-to-USB cable when doing things like checking drives on my Linux PC.  You can get one of these adapters from Amazon for $6.35 + $2 ship to adapt the Dell form factor to SATA: https://smile.amazon.com/Adapter

Re: [TriEmbed] Laptop crash

One of the first things you learn when servicing computers (and other electronics): check for loose cables and connectors and wiggle and plug everything in tight again, maybe with a little spritz of contact cleaner.  Nothing like the school of hard knocks ...  :) On 10/12/21 21:38, The MacDoug

[TriEmbed] Fwd: Embedded SW Engineer Position Available

TriEmbed Folks, If you are looking for work, here is a 1-year contract position you might be interested in. Please note the DO-178B Airborne Systems and Equipment Certification safety-critical embedded software knowledge requirement.  If it were me, I'd brush up on DO-178B and DO-278 testing

[TriEmbed] Fwd: New Raspberry Pi Zero 2!

>From Elektor Magazine's YouTube channel: "The new Raspberry Pi Zero 2 W!" https:// https://youtu.be/3m--7hGiTcE > The @Raspberry Pi > Zero 2 W is > the successor to the Raspberry Pi Zero W. Its RP3A0-AU CPU i

Re: [TriEmbed] Fwd: New Raspberry Pi Zero 2!

rpose is cheaper, but where is the fun and education in that? On Thu, Oct 28, 2021 at 3:21 AM Huan Truong wrote: > This would be amazing with my plan to use it as a high quality webcam. > > Ordered one 😄 > > Sent from my iPhone > > On Oct 28, 2021, at 12:11 AM, Scott Hall

Re: [TriEmbed] Fwd: New Raspberry Pi Zero 2!

lt; triembed@triembed.org> wrote: > Speaking of, where can I buy an RPI 4 other than Ebay? I chased down > every source branching from raspberrypi.org and nobody has stock. > > -Pete > > On 10/28/21 16:27, Ed Blackman via TriEmbed wrote: > > On Thu, Oct 28, 2021 at 03:11:1

[TriEmbed] Does my Raspberry Pi LoRa modem board look ready to send off to OSHPark?

Question from Adam Novak , posed at 9:26pm 28-Oct-21: > > Anybody here know PCB design? Does my Raspberry Pi LoRa modem board look > ready to send off to OSHPark? > [image: image.png] > > __

Re: [TriEmbed] Does my Raspberry Pi LoRa modem board look ready to send off to OSHPark?

bad really but dying to have a shunt C at > the module end to make a proper “bias T” kind of structure. Have fun. > > > > Regards, > John M. Wettroth > (984) 329-5420 (home) > (919) 349-9875 (cell) > > *From:* TriEmbed *On Behalf Of *Scott > Hall via TriEmbed >

Re: [TriEmbed] Fwd: New Raspberry Pi Zero 2!

64 > > On Fri, Oct 29, 2021 at 3:25 AM Scott Hall via TriEmbed < > triembed@triembed.org> wrote: > >> Try these vendors: >> Seeed Studio: $55 >> https://www.seeedstudio.com/Raspberry-Pi-4-Computer-Model-B-8GB-p-4595.html >> - currently out >> >> *

[TriEmbed] Help! Need to print 100 2-page double-sided copies on a color laser ...

Hey all, I've got myself into a bind: my color laser printer has died and I need to print a bunch of materials for the Learn-To-Solder table this weekend. I need to run off the materials and pick them up by Thursday afternoon, since I am tied up every evening this week, and the Model Train show set

[TriEmbed] Scott's wife could use good thoughts and prayers ...

Many of you have met my wife Sherri over the years, and she has participated in a number of our maker activities... She went to the emergency room for a number of things last Thursday and we spent 14 hours there having a battery of tests for 4 major conditions she was experiencing. This was after

[TriEmbed] Raspberry Pi OS updated! And Digikey augmented reality app to compare small embedded boards.

Just in time to create projects from that huge electronic camera & lens & electronics donation to SplatSpace, Electronics Weekly magazine just published an article about the new R-Pi operating system, with video and camera access improvements: >From Electronics Weekly: *Raspberry Pi OS updated: ca

[TriEmbed] Fwd: Webinar: How to debug a flyback design in conducted EMI point of view

I thought this might be of interest to the TriEmbed group: -- Forwarded message - From: Elektor Date: Wed, Nov 17, 2021 at 9:01 AM Subject: Webinar: How to debug a flyback design in conducted EMI point of view Join our free webinar. Register today! If you can't see this message p

Re: [TriEmbed] Anybody using this with C?

Google ProtoBuf is what I use in my projects, and what was used at a former employer who was serializing data onto RS422/485, I^2 C and Zigbee.  It is more frugal but still allows small binary objects to be transmitted -- like screen display widgets or icons -- at a reasonable speed. - sgh On

[TriEmbed] TriLUG Annual Holiday Science Fair and Party

[image: image.png] * TriLUG just posted the following announcement:* TriLUGers, and friends, Unite! The time for our world famous Xmas party is almost upon us! And this year it happens on December the 9th! Ring in the end of the year with TriLUG! Our annual Holiday Party is

Re: [TriEmbed] TriLUG Annual Holiday Science Fair and Party

https://www.meetup.com/trilug/events/277525354 On Fri, Dec 3, 2021 at 11:45 AM Scott Hall wrote: > [image: image.png] * TriLUG just posted the > following announcement:* > > TriLUGers, and friends, Unite! The time for our world famous Xmas party > is almost upon us! And th

Re: [TriEmbed] TriLUG Annual Holiday Science Fair and Party

> > As has been the practice for the past many months, we will be holding this > event at https://meet.jit.si/TriLUG , starting at 7:00 PM EST, at a > computer near you. Come one, come all! Feel free to invite friends, too. On Fri, Dec 3, 2021 at 12:10 PM Scott Hall wrote: > https://www.meetup.

[TriEmbed] Fwd: [tribrae] Fwd: 🎉 NEW BOOK! Retro Gaming with Raspberry Pi (2nd Edition) out now

*{ forwarding reply from the TriBRAE list ... }* -- Forwarded message - From: James Cotter Date: Thu, Dec 9, 2021 at 10:08 AM Subject: Re: [tribrae] Fwd: 🎉 NEW BOOK! Retro Gaming with Raspberry Pi (2nd Edition) out now To: Heh the best thing I tried with the Raspberry Pi this

[TriEmbed] Fwd: STEAM ED Survey

-- Forwarded message - From: Justin Kirk Date: Thu, Dec 16, 2021 at 8:11 PM Subject: STEAM ED Survey To: Makers Hello All, I'm working with a group of professionals to develop some STEAM based workshops in Durham. We've put together a survey for children and adults in the hopes

[TriEmbed] Fwd: Limited quantities! Raspberry Pi 3A+ computer & Get Started book

For $40 USD, you get a R-Pi and a book! - sgh -- Forwarded message - From: Raspberry Pi Press Date: Fri, Jan 14, 2022 at 12:32 PM Subject: Limited quantities! Raspberry Pi 3A+ computer & Get Started book To: Get a Raspberry Pi 3A+ computer, Official Case and SD Card with our G

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