AVR Freaks

Now hosted at  MicrochipTech/avrfreaks-dn: Contains the original Design Notes from AVRFreaks (github.com)

#001 - Using STK500 to Program External Target STK300 

#002 - Providing the Correct Input Voltage to the Atmega103L Part in the STK300 Board 

#003 - AVR Sleep Modes 

#004 - Common User of the AVR Hardware UART 

#005 - Using AVR Analog Voltage Reference (AREF) 

#006 - AVR Memory Contents After Sleep and Reset 

#007 - Little and Big Endian 

#008 - Efficient I/O Handling with Bitfields 

#009 - Using the ATtiny15 High-speed Timer 

#010 - Manual AVR ISP Firmware Upgrade 

#011 - Manual JTAG ICE Firmware Upgrade 

#012 - Writing the Calibration Byte to the OSCCAL Register in ImageCraft ICCtiny 

#013 - Using ATmega8 Asynchronous Timer-Counter Oscillator with a 32 kHz X-tal on STK500 

#014 - Flash Tables for AVRs without the LPM Instruction 

#016 - How to Separate ATmega128 from ATmega103 from within Application code 

#017 - Calibrating the Internal RC Oscillator Using the STK500 

#018 - Calibrating the Internal RC Oscillator 

#019 - Upgrading the Firmware on STK500 

#020 - Understanding AVR Fuses and Lock bits 

#021 - Using the Build-in ADC in AVR 

#022 - I/O Port Details 

#023 - Programming Problems Using STK200/300 Programmer 

#024 - Timer/Counter Basics 

#025 - SPI Setup and Hold Times 

#026 - Serial Port Connection 

#027 - A Simple FSK-modem, Frequence Measuring and Frequence Generation Technique 

#028 - Using External SRAM with Small AVR Devices 

#029 - Implementing FIFO Buffers in Software 

#030 - Frequency Synthesizer 

#031 - Creating Non-blocking Timers in AVR 

#032 - AVR Boot Loader 

#033 - DAC Utilizing ADC 

#034 - How to Declare I/O Pins to Ease Software Design and Maintenance 

#035 - Using the SPI as High Speed, Bi-directional Data Bus with Automatic Master/Slave Switch 

#036 - Virtual Instrumentation 

#037 - Cusom Graphic LCD Characters 

#038 - Fast Look-up Table Driven 16-bit CRC Routine for Atmel AVR Microcontrollers 

#039 - Sound Sample Play Back 

#040 - Connecting an AVR Controller to CAN 

#041 - Interfacing Parallel FRAM to AVR Microcontrollers 

#042 - Efficient Handling of RS-485 Timing Issues 

#043 - A String Display Routine 

#044 - Using Trinary Encoding to Reduce Pin Wastage 

#045 - Using Shift Registers to Increase the Number of Input/Output Pins 

#046 - Timer Interrupt with a Maximum Accuracy 

#047 - The Pin Adder. Uses Seven Pins to Add 64 or more. 

#048 - I²C Bus Sniffer