Shane,
I don't know the Picaxe well, but the regular PIC's pin 4 on the port A are open collector. They will sink, but not go high unless you use an external pull-up resistor to VDD. Check your Picaxe manual for this. Cheers, BILL _____ From: [email protected] [mailto:[email protected]] On Behalf Of Shane Ellis Sent: Saturday, October 23, 2010 8:25 PM To: neonixie-l Subject: [neonixie-l] here we go again, picaxe and 74141 problem. I'm using a Picaxe 08M, and an IN-14 tube, a standard 74141 driver, and a Tayloredge power supply. I had a similar problem some months back, and the fix I used last time, isn't cutting it this go round. When pin 4 goes high (output) both the Zero, and Nine light up at the same time. I know my code is good, and all my grounds are good, the legs of the HVPS, the 74141, and the Picaxe are all grounded by way of capacitor. I checked all voltages, all measure about 4.95V, and the current sits at 1.30mA in low state and 0V when in high state. All other numbers, 1-8, work perfectly, but the two digits that require pin 4, don't work properly. Any suggestions? Something I overlooked? Dumb mistake I made? Thanks Shane -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB. _____ No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1144 / Virus Database: 422/3214 - Release Date: 10/23/10 -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
