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Projects using the Wemos D1 Mini, ESP8266 based WiFi microcontroller board

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WeMos

Projects using the Wemos D1 Mini, ESP8266 based WiFi microcontroller board

Wemos Pin Function Special Function PU/PD ESP-8266 Pin DHT DHT Pro OLED 64x48 1-Button WS2812B Relay V2 Motor MicroSD Battery Proto 8x8 LED Matrix OLED 128x64 SI7021 Neopixel Jewel 7 Comment
TX TXD GPIO1 x
RX RXD GPIO3 x
A0 Analog input A0 x max 3.2V input
D0 IO GPIO16 x
D1 IO SCL GPIO5 x x x x x x x
D2 IO SDA GPIO4 x x x x x x x
D3 IO PU GPIO0 x x
D4 IO TX1 PU GPIO2 x x x x BUILTIN_LED
D5 IO SCK GPIO14 x x
D6 IO MISO GPIO12 x x
D7 IO MOSI GPIO13 x x
D8 IO SS PD GPIO15 x x
D9 IO RX GPIO3
D10 IO TX GPIO1
D11 IO GPIO9
D12 IO GPIO10
G GND GND x x x x x x x x x x x x x x
5V 5V - x x x x
3V3 3.3V 3.3V x x x x x x x x x x
RST Reset PU RST x
Comment SSD1306 Low Active HT16K33 SSD1306
I²C 0x3C* 0x3D 0x2D 0x2E 0x2F 0x30* 0x70* 0x71 0x72 0x73 0x3C 0x3D* 0x40*