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Which chip in RGB light bulb with IR remote.
I got some 7W RGB light bulbs for us$2 with IR remote.   Does anyone know which chip it's using? (I have not taken one apart yet)   What I really want is a AVR...
Saturday, 12 September 2020 - 09:54
XC8 PRO Compiler
Here the other day I got a email from microchip about this: MPLAB® XC8 PRO Compiler Reduces Code Size for AVR® Devices What is this actually? (I only care about...
Friday, 24 July 2020 - 11:28
Info: New AVR-Instruction-Set-Manual
Perhaps not new info for some but the manual got a HUGE improvement.   http://ww1.microchip.com/downloa...     I looked through it fast, and the only...
Tuesday, 9 June 2020 - 08:34
Can't find datasheet for 64 pin 6502 [solved]
Back in about 1985 I build a 6502 based controller.   But it used a 64 pin 6502 (about same size as a 6502 but the pins had different lengths, like some older LCD's )...
Sunday, 7 June 2020 - 20:47
AVR128DA64 memory mapped registers?
I Just had a look at the datasheet of the AVR128DA64 Have they actually memory mapped registers again (like a mega128) or is this just one of the normal AVR datasheet error...
Wednesday, 6 May 2020 - 14:11
Need a easy hack to monitor 1.8V
I ran into a problem for an extention on a existing product.   The problem is that this needs to work even when the AVR is in reset :( (It's some times hold in reset and...
Monday, 4 February 2019 - 11:56
Mega4809 memory mapped Flash reading
This is a split from my thread here JS https://www.avrfreaks.net/commen...     About memory mapped Flash, does the datasheet actually state that it's the case for this...
Thursday, 14 June 2018 - 08:47
ASM code for integer to BCD
Ok there have been many different ways to convert binary to decimal.   And now I found a new way, for me at least. It actually a very old way and it seems to mostly been used...
Tuesday, 8 May 2018 - 21:37
Xtiny accuracy of 20MHz intern clk
I have been reading the datasheet for tiny817   And I'm a bit confused about the accuracy of the 20MHz (guess 16MHz is the same).   What is the difference (Table 34-12)...
Monday, 29 January 2018 - 22:35
What is max current on an AVR?
If an AVR can take max 40mA on each IO and max 200mA on VCC and Gnd pins.   This is simple when there only is one Gnd and Vcc, but for a chip with 3 Vcc and Gnd pins what is...
Wednesday, 15 February 2017 - 09:52
Problem converting small random Z80 code to AVR
I found a relative small random number generator written in Z80 ASM, and I have tried to convert it to AVR but it don't work , if it's the code or my translation that fail I don't...
Saturday, 11 February 2017 - 15:39
convert 0.2V to 3V
First I have no real need for this at the moment but had some thoughts about harvesting some power.   So if I have 1mA 0.2V from a temperature difference, (in general 24...
Friday, 3 February 2017 - 10:36

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