ESP32-S2 module based 6 Gang 30 Amps Latch Relay in DIN Rail enclosure. Best sutable for secure Home Automation, IOT.

Specification

• ESP32-S2 Matter ready chipset
• Embedded IPX to SMA adapter, 3dBi antenna, any SMA Wi-Fi antenna can be used.
• USB type C programming\debug connector, on board CP2102 USB-TTL converter
• 6 x 32 Amper Latch Relays, zero current idle consumption, suitable for any type of loads
• 32A terminals, 10-22AWG, 4mm2
• 6 x Optocoupled switch inputs
• 6 x Tact buttons + reset button
• 2 x Dallas temperature sensor pins with 5 kilohm pull up resistors
• 6 x status LED’s + 2 status LED’s
• High quality power supply, input voltage 85-305 Volts AC
• DIN rail plastic enclosure dimensions 150x106x42mm
• Board Dimensions 147x87mm

The board schematics Pdf link

ESPHome YAML GitHub code repo link

Installation or WiFi password setup

You can use the button below to install the pre-built firmware or change WiFi pasword.

the button is visible from the 6Gang30AmpsLatchRelayEspHomeReady web page

Installation video

To tweak the YAML code in 6Gang30AmpsLatchRelay.yaml and burn it into the board

• follow instructions in the link below and install ESPHome Installing ESPHome Manually

• compile and upload with command-line: esphome run 6Gang30AmpsLatchRelay.yaml

Pin out:

Latch Relays	Latch Relay ESP32-S2 pin #
Latch Relay 1 ON	10
Latch Relay 1 OFF	9
Latch Relay 2 ON	20
Latch Relay 2 OFF	3
Latch Relay 3 ON	19
Latch Relay 3 OFF	8
Latch Relay 4 ON	15
Latch Relay 4 OFF	16
Latch Relay 5 ON	7
Latch Relay 5 OFF	6
Latch Relay 6 ON	5
Latch Relay 6 OFF	4

Tact buttons	ESP32-S2 pin #
Button 1	11
Button 2	12
Button 3	13
Button 4	14
Button 5	21
Button 6	33

Optocoupled switch inputs	ESP32-S2 pin #
Switch 1	34
Switch 2	35
Switch 3	36
Switch 4	37
Switch 5	38
Switch 6	39

Dallas sensor ESP32-S2 pins:	ESP32-S2 pin #
Temp 1	40
Temp 2	41

i2c expander ESP32-S2 (LED’s pins):	ESP32-S2 pin #
SDA	17
SCL	18