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connecting AVR to nrf24l01 wireless modules
I've been trying to come up with a simple and cheap way to connect an AVR to nrf24l01 modules to make coin-cell powered wireless sensor nodes. By cheap I mean...
Tuesday, 18 February 2014 - 05:55
IO register address inconsistencies
I had thought that different AVRs used the same address for the same register. For example SREG always seems to be at 0x3f. I find it convenient since I can build a binary for...
Monday, 17 February 2014 - 04:17
basic instruction set listing?
I'm looking for an AVR instruction set listing with only real instructions listed. The AVR instruction set manual has extra "instructions" that are just aliases for other...
Saturday, 15 February 2014 - 15:48
[HARD] [SOFT] [C] nrf24l01 control with 3 wires on ATtinyx5
Nrf24l01+ modules are a cheap and low-power option for MCU wireless communication. Libraries are available for Arduino, and for arduino compatible MCUs like the ATTiny85....
Thursday, 13 February 2014 - 01:52
help with writing a 64-byte serial bootloader
I'm writing a universal (attiny & atmega) bootloader for AVRs with up to 8K of flash that fits in 32 instructions (64 bytes) + a 2-byte virtual reset vector. The current...
Wednesday, 12 February 2014 - 04:23
expression evaluation in assembler?
I'm trying to figure out a way to do C-style constant expression calculations in an assembler (.S) file. So far I haven't been able to do it, and the only work-around I've found...
Tuesday, 11 February 2014 - 20:50

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