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ESD Protection Diodes
Looking at the typical application circuit for a part and it calls for pesd5v0s1ba ESD protection diodes. Digikey says 0 in stock, like about everything else I've looked for...
Saturday, 19 February 2022 - 19:09
Humidity Transducer?
Feeling bummed 'cause I have not made anything for a long time. I seem to have lost interest in trains and can't think of anything to make not train related.   How about a...
Friday, 21 January 2022 - 02:44
NRF24L01+ Counterfeit
After years of using these $1 counterfeit NRF modules, I just encountered one that doesn't work. It transmits messages OK, but it only receives all zero messages.   Had to...
Monday, 9 March 2020 - 21:37
4314 won't run until you connect debugger and start debugging.
Used Debug Wire on 2 4313's to debug the code. Works fine now, except:   When I power these on, they won't run unless I connect my AtmelICE and start debugging. Then I can...
Monday, 2 March 2020 - 21:42
ATTiny 4313 UART as SPI
Look out! It's me again   I'm trying to use the UART for SPI.   DO is Port D 1 DI is Port D 0 XCK is PORT D 2   But I don't think my uart init is right as I don't...
Friday, 21 February 2020 - 22:34
Boggles the mind!
A 450 FARAD capacitor?
Wednesday, 2 October 2019 - 21:27
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
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