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attiny85 with HVPP
I need to use my SPI and PB5 (along with PB3,4)  for my project. These are all dedicated pins and must be available. I also need to developed and that rules out SPI since...
Sunday, 26 January 2020 - 00:56
tiny with fdu?
I use my atmegau2 and u4 with this project. http://dfu-programmer.github.io/   I'd like to do the same thing with an attiny85 if possible. The chip is not listed in the fdu...
Saturday, 25 January 2020 - 15:43
atmega32u2 does not program via SPI
I have a few mega chips all work fine with AVR studio 6's programing tool with both my STK500 and AVRISP. I need to flash an atmega32u2 and the usb avrisp picks up the chip (...
Friday, 17 January 2020 - 01:19
makeing a level shifter for i2c or forcing 5vttl.
  I have a i2c device ( Nintendo wii -remote ) with this pinout. It is a handle held battery operated device.       I want to interface it with my atmega32u4...
Sunday, 12 January 2020 - 22:29
using USART as SPI on mega32u4
I'm currently using the main SPI for communication to a device but also would like to use a second SPI for communication to a nrf24 module. Looking for a tutorial out there but...
Saturday, 4 January 2020 - 18:28
coupling tiny with an nrf24
I'm looking for the cheapest AVR chip that I can use to talk to an nrf24 (Nordic wireless module) . My guess from searching is going to be a attiny.   requirements. 1 Must...
Friday, 3 January 2020 - 13:17
sanity check on pd7 atmega32u4
I set up my ports like so     DDRD &= ~0x80;// in     DDRD &= ~0x40;// in     DDRD  |= 0x20;// out     ...
Saturday, 14 December 2019 - 23:22
ow to calculate my prescaler.
Given the example.     //Configure timer    TCCR1B = (1<<CS12);    //1:256 prescaler      for(;;){   ...
Monday, 7 October 2019 - 02:17
Need to forceful sign my types all of a sudden?
Using avrstudio 6 and an atmega 32u4 chip   using a wire for debug. I see the 10ms and then the 13ms. //initialize the BB and controller connected. DDRD |= 0x80;PORTD...
Saturday, 21 September 2019 - 15:45
using 3-15v buckboost but requires 5volt to enable?
  Not really AVR related but using this with an AVR project.   I bought a DC-DC 3V-15V to 5V Fixed Output Automatic Buck Boost Step Up Step Down Power modal.   Is...
Saturday, 7 September 2019 - 17:16
powering avr with a range of 3.3 to 7 volts
I have an application where I need to run an atmega32u4 with a range from 3.3 to 7 volts (Allowing for at-least 200ma). Since I need the clock to be 16 I'm a bit concerned...
Sunday, 4 August 2019 - 23:05
SPI revieve flag check.
I'm unclear on something here. In the event the SPI does not receive data from its master, how does one know?   for example if I have this     unsigned char...
Sunday, 28 July 2019 - 21:04

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