Serial Pin GND Power Analog Pin Control Touch Pin DAC Pin Port Pin PWM Pin Physical Pin Connect to a 10nF capacitor to enable Touch Pin function Hack your LoPy! Boot modes and safe boot 1-3sec Safe boot, latest firmware is selected Safe boot, previous user update selected 4-6sec Safe boot, the factory firmware is selected 7-9sec + Low Level Bootloader + 05 Nov 2016 ver 1 rev 5 RESET BUTTON LoRa Ant WiFi Ext Ant WS2812 LED connected to P2 Only Input pins! No pullup/pulldown internal resistance TX0 RX0 TX1 RX1 SDA SCL CLK MOSI MISO