Adafruit’s METRO MINI (Arduino UNO compatible) Quick reference:   ATtiny104 Xplained NANO Development Kit, another pinout Diagram:   Pinout Diagram for the ATiny104 Xplained Nano.         Wiring Diagram to program the ESP-07 (ESP8266 ) and experiment with the Deep Sleep function:   Notes: The power led must be removed to reduce power … Continue reading Diagrams