Make an Attiny13 Based IR Proximity Sensor for $2.42 : 7 Steps (with Pictures) - Instructables
Installing Attiny13 Core Files - Instructables
arduino - ATtiny13A's timer appears to be very inaccurate, is it normal? - Electrical Engineering Stack Exchange
AVR Micro controller Interfacing
Arduino shrunk - how to use ATtiny13 with Arduino IDE
Arduino shrunk - how to use ATtiny13 with Arduino IDE
Accurate timing not implemented · Issue #2 · MCUdude/MicroCore · GitHub
GitHub - wagiminator/ATtiny13-TinyOLEDdemo: I²C OLED on an ATtiny10/13/202
Installing Attiny13 Core Files - Instructables
Pololu - 3.b. Programming AVRs using Atmel Studio
MicroCore/PlatformIO.md at master · MCUdude/MicroCore · GitHub
Attiny – Page 2 – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
Arduino shrunk - how to use ATtiny13 with Arduino IDE
ATTiny841 - Can't Upload Sketches - Microcontrollers - Arduino Forum
ATtiny13 - controlling LEDs WS2811/WS2812 - Łukasz Podkalicki
Installing Attiny13 Core Files - Instructables
ATtiny84 - Not Programming - Other Pololu products - Pololu Forum
attiny13a/boards.txt at master · jensh/attiny13a · GitHub
Week 8
Controlling DC motor with AVR ATtiny13 PWM and ADC Project | ermicroblog
I/O View and Other Bare-Metal Programming References
GitHub - wagiminator/ATtiny13-TinyOLEDdemo: I²C OLED on an ATtiny10/13/202
Open a Project in Atmel Studio, Compile and Upload Code | Details | Hackaday.io
Arduino shrunk - how to use ATtiny13 with Arduino IDE
c - Beginner - avr32 turn on led, compiler does not see variables - Stack Overflow
