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SKU 809230/A

ESP32LR88 - WIFI 8 x 16A relays

Prezzo originale €89,55 - Prezzo originale €89,55
Prezzo originale
€89,55 - €89,55
Prezzo attuale €89,55

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Controlled over WIFI using preprogrammed command sets or html page.

The ESP32LR88 is a WIFI connected relay module using the popular ESP32. It provides 8 relays capable switching up to 16Amps and 8 digital inputs with pull-ups than can interface directly with volt free contacts. 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
4. A built in webpage

The ESP32LR88 connects via WiFi to your network. Therefore it must be located in a position where it gets a good WiFi signal. The module should not be enclosed in a metal box/cabinet as this will shield the WiFi signal. You can check the signal level by looking at the RSSI figure which is reported by the ST (STatus) command.


Relays - 8 with snubbers for inductive loads
Inputs - 8 volt free contact compatible inputs or 3.3v digital inputs
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.