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Upload DS18B20 reading to Thingspeak without Arduino IDE
I wish to upload DS18B20 temperature readings that i have read using ATMega328P to Thingspeak. I do not want to use Arduino IDE nor any of the ESP modules (NodeMCU etc). I have...
Thursday, 17 June 2021 - 15:06
Wrong negative readings from printf()
I am using a DS18B20 temperature sensor, in external power mode with proper pullup. I get proper readings on PUTTY when the temperature is >0. When the temperature is < 0,...
Saturday, 1 May 2021 - 14:11
DS18B20 ROM reads alternate bytes
I am working with the popular DS18B20 temperature sensor, connected to ATMega328P (16MHz). Apart from the temperature readings, I want to read the ROM code an entire scratchpad....
Friday, 9 April 2021 - 07:45
AVR304 software serial
Hello. I wish to use AVR-304 based software serial routine to send some strings to a putty terminal. The concept is simple, send a couple of strings, use avr gcc delay_ms() to...
Tuesday, 23 February 2021 - 12:38
Declaring and defining buffer index in avr gcc
Hello. I want to make a truly reusable ATMega UART code, since I make projects which require UART communications. There are many libraries available, e.g., Peter Fluery's lib....
Saturday, 6 June 2020 - 05:56
AVR GCC error: expected ')' before '*' token in function deinition
I am facing an issue, not able to resolve for two days. This is the main.c file to write text to a 128x64 GLCD. Reproduced here below. I get a compilation error: ...
Friday, 22 May 2020 - 15:15