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and a full-speed USB interface
With a narrow beam and good side detection
Note that the expansion PCB mounts with the silkscreen facing up
Active low input without pull ups (easy to connect logic level inputs)
Three user-controllable LEDs
ESP32SR88 WIFI 8 x 1A relays hub-lorawan and a full-speed USB interfaceThe ESP32SR88 is a WIFI connected relay module using the popular ESP32. It provides eight optically isolated inputs and eight volt free contact relay outputs with a current rating of up to 1Amp each. 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: Simple plain text commands sent to the module. HTML commands MQTT A built in webpage
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