# esp32 power shield ## Description Shield for measuring voltage/current using three ACS712s. The shield is suitable for your IoT devices where power monitoring is required, such as a solar station ## Project Details - **Owner:** vasyl - **Created:** 9/7/2022 - **Last Updated:** 5/22/2023 - **Visibility:** Public - **Stars:** 1 - **Forks:** 4 - **Copies:** 2 ## Key Components ### J1 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J2 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J7 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J8 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### U1 — [ACS712ELCTR-20A-T](https://www.flux.ai/vasy_skral/acs712elctr-20a-t~0sj.md) - Manufacturer Part Number: ACS712ELCTR-20A-T - Datasheet URL: https://www.allegromicro.com/~/media/Files/Datasheets/ACS712-Datasheet.ashx - Part Type: Integrated Circuit - Manufacturer Name: Allegro MicroSystems **Pins:** - FILTER [pin 6] - GND [pin 5] - IP- [pin 3] - IP- [pin 4] - IP+ [pin 2] - IP+ [pin 1] - VCC [pin 8] - VIOUT [pin 7] ### U2 — [ACS712ELCTR-20A-T](https://www.flux.ai/vasy_skral/acs712elctr-20a-t~0sj.md) - Manufacturer Name: Allegro MicroSystems - Datasheet URL: https://www.allegromicro.com/~/media/Files/Datasheets/ACS712-Datasheet.ashx - Part Type: Integrated Circuit - Manufacturer Part Number: ACS712ELCTR-20A-T **Pins:** - FILTER [pin 6] - GND [pin 5] - IP- [pin 3] - IP- [pin 4] - IP+ [pin 2] - IP+ [pin 1] - VCC [pin 8] - VIOUT [pin 7] ### U3 — [ACS712ELCTR-20A-T](https://www.flux.ai/vasy_skral/acs712elctr-20a-t~0sj.md) - Manufacturer Name: Allegro MicroSystems - Part Type: Integrated Circuit - Datasheet URL: https://www.allegromicro.com/~/media/Files/Datasheets/ACS712-Datasheet.ashx - Manufacturer Part Number: ACS712ELCTR-20A-T **Pins:** - FILTER [pin 6] - GND [pin 5] - IP- [pin 3] - IP- [pin 4] - IP+ [pin 2] - IP+ [pin 1] - VCC [pin 8] - VIOUT [pin 7] ### U4 — [ACS712ELCTR-20A-T](https://www.flux.ai/vasy_skral/acs712elctr-20a-t~0sj.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.allegromicro.com/~/media/Files/Datasheets/ACS712-Datasheet.ashx - Manufacturer Part Number: ACS712ELCTR-20A-T - Manufacturer Name: Allegro MicroSystems **Pins:** - FILTER [pin 6] - GND [pin 5] - IP- [pin 3] - IP- [pin 4] - IP+ [pin 2] - IP+ [pin 1] - VCC [pin 8] - VIOUT [pin 7] ### U5 — [ESP32-DEVKIT-V1](https://www.flux.ai/vasyl/esp32-devkit-v1~zya.md) - Manufacturer Name: Espressif Systems - Part Type: Module - Datasheet URL: https://www.snapeda.com/parts/ESP32-DEVKIT-V1/Do%20it/datasheet/ - Manufacturer Part Number: ESP32-DEVKIT-V1 **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] ### U6 — [Mini-360](https://www.flux.ai/vasyl/mini-360~gdn.md) **Pins:** - GND [pin 3] - GND [pin 4] - Vin [pin 1] - Vout [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasyl/esp32-power-shield~tul](https://www.flux.ai/vasyl/esp32-power-shield~tul).* --- *Generated from [https://www.flux.ai/vasyl/esp32-power-shield~tul](https://www.flux.ai/vasyl/esp32-power-shield~tul)*