# Huge Brown P.K.E. Meter ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** nicolasvergara - **Created:** 10/30/2024 - **Last Updated:** 10/30/2024 - **Visibility:** Public ## Key Components ### U1 — [ESP32-DEVKITC-32D](https://www.flux.ai/vasyl/esp32-devkitc-32d~8yy.md) - Datasheet URL: https://www.snapeda.com/parts/ESP32-DEVKITC-32D/Espressif%20Systems/datasheet/ - Manufacturer Name: Espressif Systems - Part Type: RF Moule - Manufacturer Part Number: ESP32-DEVKITC-32D **Pins:** - 3V3 [pin 1] - CLK [pin 38] - CMD [pin 18] - EN [pin 2] - EXT_5V [pin 19] - GND1 [pin 14] - GND2 [pin 26] - GND3 [pin 20] - IO0 [pin 33] - IO12 [pin 13] - IO13 [pin 15] - IO14 [pin 12] - IO15 [pin 35] - IO16 [pin 31] - IO17 [pin 30] - IO18 [pin 28] - IO19 [pin 27] - IO2 [pin 34] - IO21 [pin 25] - IO22 [pin 22] - IO23 [pin 21] - IO25 [pin 9] - IO26 [pin 10] - IO27 [pin 11] - IO32 [pin 7] - IO33 [pin 8] - IO34 [pin 5] - IO35 [pin 6] - IO4 [pin 32] - IO5 [pin 29] - RXD0 [pin 24] - SD0 [pin 37] - SD1 [pin 36] - SD2 [pin 16] - SD3 [pin 17] - SENSOR_VN [pin 4] - SENSOR_VP [pin 3] - TXD0 [pin 23] ### U2 — [DS18B20U](https://www.flux.ai/kicad-part-library/ds18b20u~i3.md) - Package or Case Code: MSOP-8_3x3mm_P0.65mm - Manufacturer Part Number: DS18B20U - Manufacturer Name: Maxim Integrated Products, Inc. - Datasheet URL: http://datasheets.maximintegrated.com/en/ds/DS18B20.pdf **Pins:** - DQ [pin 1] - GND [pin 4] - NC [pin 5] - NC [pin 6] - NC [pin 7] - NC [pin 3] - NC [pin 2] - V_{DD} [pin 8] ### U3 — [MAX30102EFD+T](https://www.flux.ai/adrian95/max30102efdplust~tfq.md) - Part Type: Sensor - Manufacturer Part Number: MAX30102EFD+T - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX30102.pdf - Manufacturer Name: Analog Devices Inc./Maxim Integrated **Pins:** - ~INT [pin 13] - GND [pin 12] - PGND [pin 4] - SCL [pin 2] - SDA [pin 3] - VDD [pin 11] - VLED+ [pin 10] - VLED+ [pin 9] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/nicolasvergara/huge-brown-ppkpep-meter~1e](https://www.flux.ai/nicolasvergara/huge-brown-ppkpep-meter~1e).* --- *Generated from [https://www.flux.ai/nicolasvergara/huge-brown-ppkpep-meter~1e](https://www.flux.ai/nicolasvergara/huge-brown-ppkpep-meter~1e)*