# WeMos D1 mini template ## Description Here's a template for the popular ESP-8266EX microcontroller board, wemos D1 mini. A mini wifi board with 4MB flash based on ESP-8266EX #wemos #esp8266 #project-template #template ## Project Details - **Owner:** shashimadushan - **Created:** 7/31/2024 - **Last Updated:** 5/19/2025 - **Visibility:** Public - **Copies:** 1 ## Key Components ### BZ1 — [PS1440P02BT](https://www.flux.ai/jecstronic/ps1440p02bt~778.md) - Datasheet URL: https://product.tdk.com/en/system/files?file=dam/doc/product/sw_piezo/sw_piezo/piezo-buzzer/catalog/piezoelectronic_buzzer_ps_en.pdf - Part Type: Buzzer - Manufacturer Part Number: PS1440P02BT - Manufacturer Name: TDK Corporation - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - - [pin 2] - + [pin 1] ### LED1 — [Adafruit NeoPixel 4020 Side-Light RGB LED](https://www.flux.ai/digitalninjae/adafruit-neopixel-4020-side-light-rgb-led~mg.md) - Manufacturer Part Number: 4691 - Manufacturer Name: Adafruit IndustriesAdafruit **Pins:** - DIN [pin 1] - DOUT [pin 3] - GND [pin 4] - VDD [pin 2] ### U1 — [WeMos D1 mini](https://www.flux.ai/jharwinbarrozo/wemos-d1-mini~27.md) - Part Type: Integrated Circuit - Manufacturer Part Number: WeMos_D1_mini **Pins:** - 3V3 - 5V - A0 - CS/D8 - D0 - D3 - D4 - GND - MISO/D6 - MOSI/D7 - RST - RX - SCK/D5 - SCL/D1 - SDA/D2 - TX ### U2 — [RC522 RFID](https://www.flux.ai/jecstronic/rc522-rfid~dc6.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Module - Datasheet URL: http://www.handsontec.com/dataspecs/RC522.pdf - Manufacturer Name: Handson Technology - Manufacturer Part Number: RC522 **Pins:** - GND [pin 3] - IRQ [pin 4] - MISO/SCL/Tx [pin 5] - MOSI [pin 6] - RST [pin 2] - SCK [pin 7] - SS/SDA/Rx [pin 8] - VCC [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/shashimadushan/wemos-d1-mini-template~7x](https://www.flux.ai/shashimadushan/wemos-d1-mini-template~7x).* --- *Generated from [https://www.flux.ai/shashimadushan/wemos-d1-mini-template~7x](https://www.flux.ai/shashimadushan/wemos-d1-mini-template~7x)*