# ESP32-H2 Relay Board
## Description
This is a WiFi relay board based on ESP32-H2 WiFi module. It have AC-DC power supply with output 12V and relay for controlling voltage
#esp32 #project #Relay #wifi #esp32-h2 #iot #template
## Project Details
- **Owner:** milanar
- **Created:** 2/25/2024
- **Last Updated:** 2/25/2024
- **Visibility:** Public
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Copies:** 3
## Key Components
### J1 — [DB126V-5.0-3P-GN](https://www.flux.ai/jharwinbarrozo/db126v-5p0-3p-gn.md)
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_DIBO-DB126V-5-0-3P-GN_C395850.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: DB126V-5.0-3P-GN
- Manufacturer Name: DIBO
- Part Type: Connector
**Pins:**
- PIN1 [pin 1]
- PIN2 [pin 2]
- PIN3 [pin 3]
### K1 — [SRD-12VDC-SL-C](https://www.flux.ai/jecstronic/srd-12vdc-sl-c.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Name: Ningbo Songle Relay
- Part Type: Relay
- Manufacturer Part Number: SRD-12VDC-SL-C
- Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Ningbo-Songle-Relay-SRD-12VDC-SL-C_C30431.pdf
**Pins:**
- ~ [pin NC]
- ~ [pin NO]
- ~ [pin COIL1]
- ~ [pin COM]
- ~ [pin COIL2]
### PS2 — [IRM-03-12](https://www.flux.ai/vasyl/irm-03-12.md)
- Manufacturer Name: MEAN WELL USA Inc.
- Part Type: ACDC
- Datasheet URL: https://www.meanwellusa.com/upload/pdf/IRM-03/IRM-03-spec.pdf
- Manufacturer Part Number: IRM-03-12
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- -Vo [pin 14]
- +Vo [pin 16]
- AC/L [pin 1]
- AC/N [pin 3]
- NC [pin 5]
### U1 — [ESP32-H2-WROOM-03](https://www.flux.ai/vasyl/esp32-h2-wroom-03.md)
- Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-h2-wroom-03_datasheet_en.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: WiFi Module
- Manufacturer Name: Espressif
- Manufacturer Part Number: ESP32-H2-WROOM-03
**Pins:**
- 3.3V [pin 6]
- EN [pin 1]
- GND [pin 7]
- IO1 [pin 2]
- IO10 [pin 9]
- IO11 [pin 5]
- IO12 [pin 4]
- IO22 [pin 3]
- IO25 [pin 8]
- IO4 [pin 11]
- IO5 [pin 10]
- NC [pin 12]
### U2 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33.md)
- Manufacturer Name: AMS
- Manufacturer Part Number: AMS1117-3.3
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021917_Advanced-Monolithic-Systems-AMS1117_C6188.pdf
- Part Type: Integrated Circuit
**Pins:**
- GND [pin 1]
- TAB(VOUT) [pin 4]
- VIN [pin 3]
- VOUT [pin 2]
### U4 — [HCPL-181-00CE](https://www.flux.ai/jecstronic/hcpl-181-00ce.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://docs.broadcom.com/doc/HCPL-181-Phototransistor-Optocoupler-SMD-Mini-Flat-Type-DS
- Manufacturer Name: Broadcom Limited
- Part Type: Transistor
- Manufacturer Part Number: HCPL-181-00CE
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
- P3 [pin 3]
- P4 [pin 4]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/milanar/esp32-h2-relay-board](https://www.flux.ai/milanar/esp32-h2-relay-board).*
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