Using the LED pin for input - Arduino Stack Exchange
ATTiny85 Digispark I2C LED Rev.3 Kickstarter 5V IIC SPI 6 Pin I/O USB Development Board : Amazon.com.be: Electronics
Digispark Kickstarter ATTINY85 Mini Module DC 5V Micro USB Development Board for Arduino IDE 1.0+ OSX/Win/Linux - AliExpress
Digispark DIY: the Smallest USB Arduino : 9 Steps (with Pictures) - Instructables
Digispark - the convenient ATtiny85 alternative • Wolles Elektronikkiste
Digispark Attiny85 devboard USB port question - Project Guidance - Arduino Forum
Digispark DIY | PDF | Arduino | Booting
Useless Pin 5 in all Digispark ATtiny85 boards? [SOLVED] - IDE 1.x - Arduino Forum
Amazon.com: Aihjcnele Attiny85 Digispark Kickstarter USB Module Development Board Compatible IDE for Arduino General Micro USB MCU Development Module Compatible with UNO R3 PWM I2C SPI ADC I/O with Cable Wire :
Art Project in danger: Servo and Led do not work together