7Pcs ATTINY88 Microcontroller Development Board 16Mhz I2C and SPI 26-PWM Digispark ATTINY85 Nano V3.0 ATmega-328 Extended Module Compatible for IDE 1.0+ (OSX/Win/Linux) | LeoForward Australia
ATtiny85 & ext. 16 MHz crystal - I don't get it programmed (ISP)
16MHz vs 8MHz Clock | Introducing Trinket | Adafruit Learning System
ATTINY88 micro entwicklung bord 16Mhz /Digispark ATTINY85 Verbesserte/NANO V 3,0 ATmega328 Extended Kompatibel für Arduino - AliExpress
16MHz vs 8MHz Clock | Introducing Trinket | Adafruit Learning System
ATtiny @ 16MHz - Hackster.io
Digispark-Kickstarter - ATtiny85 - 5V
Programming ATtiny85 with Arduino-IDE and an 8MHz external oscillator - Arduino Stack Exchange