#2 ATtiny85: GPIO - Working and Configuration as Input and Output - YouTube
Tiny AVR Programmer Hookup Guide - SparkFun Learn
ATtiny85 Pinout
Pin names on the ATtiny85 - Microcontrollers - Arduino Forum
Technoblogy - Getting Extra Pins on ATtiny
Tiny AVR Programmer Hookup Guide - SparkFun Learn
ATTiny 45/85 Pin Conventions for Arduino IDE Sketches | Engineer Zero
ATtiny85 Microcontroller Pinout Diagram, Specs, Features & Datasheet - Components Info
Introduction to ATtiny85 - The Engineering Projects
Technoblogy - Getting Extra Pins on ATtiny
ATtiny85 Microcontroller tutorial: GPIO as output - Gadgetronicx
Introduction to the ATtiny85 - What is the ATtiny85?
ATTiny Port Manipulation (Part 1): PinMode() and DigitalWrite() : 7 Steps - Instructables
GitHub - RalphBacon/ATTiny85_Fuse_Resetter: Want to use all SIX GPIO pins on the ATTiny85? Now you can.
Digispark ATtiny85 with MCP23016 GPIO Expander
![Useless Pin 5 in all Digispark ATtiny85 boards? [SOLVED] - Installation & Troubleshooting - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/3/c/4/3c4db17bce3b2bbc9f013b89a17b1da982d21ad4.png "Useless Pin 5 in all Digispark ATtiny85 boards? [SOLVED] - Installation & Troubleshooting - Arduino Forum")
Useless Pin 5 in all Digispark ATtiny85 boards? [SOLVED] - Installation & Troubleshooting - Arduino Forum
87 Six, yes SIX, GPIO pins on an ATTiny85 - YouTube
ATtiny85 Microcontroller Pinout, Features, Specs & Datasheet
Getting More I/O Pins on ATTiny With Shift Registers : 6 Steps (with Pictures) - Instructables
ATtiny85 GPIO input tutorial - Gadgetronicx
