# Uninterested Brown Electronic Thumb ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** francox556 - **Created:** 9/17/2025 - **Last Updated:** 10/4/2025 - **Visibility:** Public ## Key Components ### PS1 — [LM2596 DC-DC buck converter](https://www.flux.ai/vasy_skral/lm2596-dc-dc-buck-converter~2q1.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - IN - [pin 2] - IN + [pin 1] - OUT - [pin 3] - OUT + [pin 4] ### U1 — [Nodemcu-12E ESP8266](https://www.flux.ai/jharwinbarrozo/nodemcu-12e-esp8266~5t.md) - Part Type: Microcontroller - Datasheet URL: https://components101.com/development-boards/nodemcu-esp8266-pinout-features-and-datasheet - Manufacturer Part Number: Nodemcu-12E ESP8266 **Pins:** - 3V3 [pin 25] - 3V3 [pin 11] - 3V3 [pin 16] - A0 [pin 1] - CMD GPIO11 [pin 7] - D0 GPIO16 [pin 30] - D1 GPIO5 SCL [pin 29] - D2 GPIO4 SDA [pin 28] - D3 GPIO0 [pin 27] - D4 GPIO2 [pin 26] - D5 GPIO14 [pin 23] - D6 GPIO12 [pin 22] - D7 GPIO13 [pin 21] - D8 GPIO15 [pin 20] - EN [pin 12] - GND [pin 24] - GND [pin 10] - GND [pin 14] - GND [pin 17] - RST [pin 13] - RSV1 [pin 2] - RSV2 [pin 3] - RX GPIO3 [pin 19] - SCLK GPIO6 [pin 9] - SD0 GPIO7 MISO [pin 8] - SD1 GPIO8 MOSI [pin 6] - SD2 GPIO10 [pin 4] - SD2 GPIO9 [pin 5] - TX GPIO1 [pin 18] - VIN [pin 15] ### U3 — [WEMOS D1 Mini Pro](https://www.flux.ai/adrian95/wemos-d1-mini-pro~bpa.md) - Manufacturer Part Number: WeMos D1 mini Pro - Datasheet URL: https://grobotronics.com/wemos-d1-mini-pro-esp8266-v1.0.html?sl=en - Manufacturer Name: WeMos - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller **Pins:** - 3.3V [pin 16] - 5V [pin 1] - A0 [pin 10] - D0 [pin 11] - D1 [pin 6] - D2 [pin 5] - D3 [pin 4] - D4 [pin 3] - D5 [pin 12] - D6 [pin 13] - D7 [pin 14] - D8 [pin 15] - GND [pin 2] - Rst [pin 9] - Rx [pin 7] - Tx [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/francox556/uninterested-brown-electronic-thumb~pi](https://www.flux.ai/francox556/uninterested-brown-electronic-thumb~pi).* --- *Generated from [https://www.flux.ai/francox556/uninterested-brown-electronic-thumb~pi](https://www.flux.ai/francox556/uninterested-brown-electronic-thumb~pi)*