ESP32LR20 - WIFI 2 x 16A relays
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Controlled over WIFI using preprogrammed command sets or html page.
The ESP32LR20 is a WIFI connected relay module using the popular ESP32. It provides 2 relays capable switching up to 16Amps. The normally open relay contacts have snubbers fitted across them, and can drive inductive loads such as contactors and solenoids. Power for the board is 12v dc, which can be provided by a standard universal wall power supply. A 1A or greater supply should be selected.
Control Protocols
1. Simple plain text commands sent to the module.
2. HTML commands
3. MQTT
4. A built in webpage
Relays - 2 with snubbers for inductive loads
Power - 12V DC adaptor, supplied separately
Control interface - HTTP (webpage), HTML commands, MQTT commands or plain text commands (ASCII terminal)
Relay current - Up to 16Amp @24vdc or 250vac
Output connections - Screw Terminals for N/O N/C and Common contacts.
Programming connection - USB programmable with Arduino IDE
Built around the ESP-WROOM-32, the module is fully customisable around open source software.