I'd suggest a MOSFET instead of an SSR and switch the low-voltage side,
since you need low voltage for your circuit anyway. A MOSFET capable of
switching 5 or 10 amps (way more than should be needed) can be had in a
TO-220 package probably for much less cost than an SSR.
For app development, you'll need a Mac and Xcode. Join the Apple
developer network. It's free, and includes lots of resources for app
development. There may be 3rd-party F/OSS-friendly toolchains, but I
don't know anything about them and can only imagine they would require a
jailbroken iPhone in order to deploy the app.
Also, while this sounds like a fine educational project, I feel
compelled to point out that your iPhone is already very smart about how
it charges the battery. That said, have fun and learn a lot!
Cheers,
-Brian
On 8/6/20 3:01 PM, Charles J. Lord, PE via TriEmbed wrote:
Unless you're wanting to do a complete design including PCB, I would
recommend the newer nodemcu modules that now include Bluetooth. For the
SSR I would just go through digikey and look at your specs.
Charles J. Lord, PE
President, Blue Ridge Advanced Design and Automation
Past Chair, IEEE Western NC Section
Chair, IEEE NC Council
Chair, IEEE SoutheastCon 2020 and Steering Committee
[email protected] <mailto:[email protected]>
On Thu, Aug 6, 2020, 2:55 PM Ron Craig via TriEmbed
<[email protected] <mailto:[email protected]>> wrote:
I want to build a simple iPhone charger using a SSR and NFC or
Bluetooth to communicate with an app on the phone. Battery below x%?
Turn on. Battery y% or higher? Turn off. Small base housing
microcontroller and comms. App sleeping most of the time, but
periodically waking to check battery and issue status to base.
Suggestions for the MCU and Comms selection and pointers to info on
app creation are very appreciated.
Best,
Ron
Sent from my iPhone. Please forgive my typos.
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