# Molecular Magenta Flying Cab ## Description building a simple 5V water pump circuit using battery, Arduino and esp32 ## Project Details - **Owner:** txh0506 - **Created:** 5/15/2024 - **Last Updated:** 5/15/2024 - **Visibility:** Public ## Key Components ### K1 — [SPDT SRD Series Form C](https://www.flux.ai/jharwinbarrozo/spdt-srd-series-form-c~yz.md) - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Name: Ningbo Songle Relay **Pins:** - A - B - COM - L1 - L2 ### M1 — [DC Motor](https://www.flux.ai/vasyl/dc-motor~ku.md) **Pins:** - - - + ### Q1 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor~hqd.md) - Leakage Current: 1e-13A - Beta / hFe: 100 **Pins:** - B - C - E ### U1 — [Nodemcu-12E ESP8266](https://www.flux.ai/jharwinbarrozo/nodemcu-12e-esp8266~5t.md) - Datasheet URL: https://components101.com/development-boards/nodemcu-esp8266-pinout-features-and-datasheet - Manufacturer Part Number: Nodemcu-12E ESP8266 - Part Type: Microcontroller **Pins:** - 3V3 [pin 11] - 3V3 [pin 25] - 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 17] - GND [pin 14] - GND [pin 10] - GND [pin 24] - 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] ### US1 — [HC-SR04](https://www.flux.ai/vasy_skral/hc-sr04~afv.md) - Manufacturer Part Number: HC-SR04 - Part Type: Sensor - Datasheet URL: https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ECHO [pin 3] - GND [pin 4] - TRIG [pin 2] - VCC [pin 1] ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 5V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/txh0506/molecular-magenta-flying-cab~hk](https://www.flux.ai/txh0506/molecular-magenta-flying-cab~hk).* --- *Generated from [https://www.flux.ai/txh0506/molecular-magenta-flying-cab~hk](https://www.flux.ai/txh0506/molecular-magenta-flying-cab~hk)*