# Fat Coffee P.K.E. Meter ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** harshil2601 - **Created:** 2/23/2024 - **Last Updated:** 2/23/2024 - **Visibility:** Public ## Key Components ### K1 — [KY-019](https://www.flux.ai/vasyl/ky-019.md) - Manufacturer Part Number: KY-019 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Name: Keyes SR1 - Part Type: Relay Module **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### K2 — [KY-019](https://www.flux.ai/vasyl/ky-019.md) - Manufacturer Name: Keyes SR1 - Part Type: Relay Module - Manufacturer Part Number: KY-019 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### K3 — [KY-019](https://www.flux.ai/vasyl/ky-019.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Part Number: KY-019 - Part Type: Relay Module - Manufacturer Name: Keyes SR1 **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### K4 — [KY-019](https://www.flux.ai/vasyl/ky-019.md) - Manufacturer Name: Keyes SR1 - Part Type: Relay Module - Manufacturer Part Number: KY-019 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### U1 — [ESP32-DEVKIT-V1](https://www.flux.ai/vasyl/esp32-devkit-v1.md) - Part Type: Module - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-DEVKIT-V1 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf **Pins:** - 3V3 [pin 1] - D12 [pin 27] - D13 [pin 28] - D14 [pin 26] - D15 [pin 3] - D18 [pin 9] - D19 [pin 10] - D2 [pin 4] - D21 [pin 11] - D22 [pin 14] - D23 [pin 15] - D25 [pin 23] - D26 [pin 24] - D27 [pin 25] - D32 [pin 21] - D33 [pin 22] - D34 [pin 19] - D35 [pin 20] - D4 [pin 5] - D5 [pin 8] - EN [pin 16] - GND [pin 2] - GND__1 [pin 29] - RX0 [pin 12] - RX2 [pin 6] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] - VN [pin 18] - VP [pin 17] ### U2 — [HC-SR501](https://www.flux.ai/vasyl/hc-sr501.md) - Manufacturer Name: MPJA - Part Type: Sensor - Manufacturer Part Number: HC-SR501 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.mpja.com/download/31227sc.pdf **Pins:** - Data [pin 5] - GND [pin 6] - VCC [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/harshil2601/fat-coffee-ppkpep-meter](https://www.flux.ai/harshil2601/fat-coffee-ppkpep-meter).* --- *Generated from [https://www.flux.ai/harshil2601/fat-coffee-ppkpep-meter](https://www.flux.ai/harshil2601/fat-coffee-ppkpep-meter)*