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Gigabytes: No way!
I got my start in programming when 64K was a LOT of ram to have in a computer.   We're having a problem now as we have an app that won't build in a linux computer with only...
Thursday, 27 June 2019 - 21:02
ATTINY4313 SPI
I used to do this, but I think I've been infected by xMega and can't make it go in 4313 any more. Perhaps I should have been vaccinated. I even looked at old code.   I made...
Sunday, 26 May 2019 - 21:37
JTAG vs ISP, PDI, TPI and the like
I've always used ISP, PDI or TPI, debugwire and the like for programming and debugging mega, tiny and xmega parts, but I'm curious, would there be advantages to using jtag? It...
Thursday, 16 May 2019 - 14:50
Accessory that makes the SNAP work!
Now, what do we have in this pretty red Microchip box?     An AVRISP! Now that will solve the problem!     I'll tie this one to a board BEFORE the connector...
Wednesday, 15 May 2019 - 23:18
MPLAB SNAP : We are not amused.
After the death of my twice-repaired ATMEL ICE, I got a "MPLAB SNAP." Supports PDI, TPI, SPI... That should do.   Wrong.   Atmel Studio does not know anything about...
Saturday, 4 May 2019 - 19:51
c++ creating a "Button" class
There has to be a neat and and graceful way to do this.   I already have a "Screen" class for drawing a display on a tft display. I'd like to make a "Button" class for...
Thursday, 4 April 2019 - 22:53
ZeptoProg AVR Programmer?
Anybody use this programmer? Since my Atmel-Ice died, I'm looking around.   https://www.mattairtech.com/inde...
Wednesday, 27 February 2019 - 16:40
"Pit Boss" grill temperature probe
Trying to use one of these to measure temperature, but having no luck. It doesn't behave like a K type, or a J type thermocouple. Wonder if it's actually an LM35 or somesuch. It...
Thursday, 31 January 2019 - 19:29
Thermocouple amplifier always gives same output
I have 2 of Adafruit's analog thermocouple amplifiers:   Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout   and 2 thermocouples.   Though I have one in...
Wednesday, 23 January 2019 - 21:59
ili9341 suspicious looking library code
I can't seem to draw anything below z=255 using this library and I suspect this bit of code:   void ili9341_setaddress(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2)//set...
Monday, 14 January 2019 - 21:50
I think my integrated motor driver chip shorted.
My train controller is a short circuit from + to -. The H-bridge, VNH5019A, seems to be a short. It was rated for 5 amps, the battery shuts down at 7 amps and there's a 5A fuse. I...
Wednesday, 15 August 2018 - 20:05
24vac valves and motors
I just looked at a contraption with 24v AC motors and solenoids controlled by relays. As expected, it goes mildly haywire when he turns one of these motors on or off. If it was DC...
Thursday, 1 February 2018 - 19:25

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