Nerd Ralph: AVR half-duplex software UART supporting single pin operation
ATtiny3226/3216/1606 dev board, Arduino compatible from Azduino by Spence Konde on Tindie
Recover Bricked ATtiny Using Arduino as high voltage programmer - Electronics-Lab.com
ATtiny85 & ATtiny84 Analog Pins, Serial Communication, Etc. : 8 Steps - Instructables
High-Voltage Serial Programmer - Rescue AVR Chips
Getting an ATtiny85 to Transmit Over Serial | It's Every Bit For Itself
Programming an Attiny85 using an Arduino – Get micros
BASCOM-AVR
ATtiny Gets A Tiny Software UART | Hackaday
Easy ATTiny Serial Communication With Tiny AVR Programmer : 3 Steps - Instructables
Sending wireless data from one Attiny85 to another – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
FabAcademy FabLab Leon 2015 site
Easy Serial on the ATtiny - Hackster.io
ATtiny88 Microcontroller Pinout, Features, Specs & Datasheet
Add TX and RX labels to builtin software serial "Serial" pins on chips w/out hardware serial · Issue #316 · SpenceKonde/ATTinyCore · GitHub
Technoblogy - Minimal ATmega4809 on a Breadboard
ATtiny26-16SI Technical Data
ATtiny85 Microcontroller Pinout Diagram, Specs, Features & Datasheet - Components Info
ATtiny pin numbers and Software serial - Microcontrollers - Arduino Forum
Tutorial 1: Introduction to ATtiny85 microcontroller
