Datasheet
Table Of Contents
- Overview
- Control Protocols
- WiFi
- Configuration
- USB Configuration Commands
- ST Status. Return the system status
- RB ReBoot.
- IP Sets the modules IP address.
- SB Sets the SuBnet mask.
- GW Sets the GateWay address.
- PD Sets the Primary DNS.
- SD Sets the Secondary DNS.
- SS This sets the SSID.
- PW Sets your networks WIFI password.
- PA Sets the TCP/IP port number for the ASCII commands.
- MS Sets the MQTT broker address
- MD Sets the MQTT ID for this module
- MP Sets the MQTT broker’s port.
- R1-R4 Sets the MQTT topic this relay is subscribed to.
- N1-N2 Sets the MQTT topic this Input will publish to.
- TCP/IP Commands.
- HTML Commands.
- Webpage
- Schematics
- PCB dimensions
- Notes
ESP32LR42 User Manual v1.02
Relay Outputs
1 of 4 identical circuits shown
The relays are capable of switching up to 16 Amps at 24vdc or 230vac. A data sheet of the relay can be
found here. Only the normally open (N/O) contact has the snubber circuitry.
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