RaspberryPi Remote Control Relay Management System

Currently only supported on RaspberryPi 3 model B

Enables control of an 8 relay module via http calls. Java based service.

Building

$ ./gradlew clean assembleDist

Copying artifacts

$ scp build/distributions/power-controller-0.2.zip pi@$THE_PI:~/

Starting the service

$ unzip power-controller-0.2.zip
$ ./power-controller-0.2/bin/power-controller
05:59:50.236 [main] INFO  PowerController - Initializing Services...
05:59:50.246 [main] INFO  PowerController - Initializing GpioFactory
05:59:50.432 [main] INFO  PowerController - GpioFactory initialization complete
05:59:50.433 [main] INFO  PowerController - Initializing http listener on port: 8000 for path: /api
05:59:51.485 [main] INFO  PowerController - Ready for command...

Test toggle a random relay 1000 times

$ for k in {1..1000}; do curl "http://$THE_PI:8000/api/gpio/"$((1 + RANDOM % 8)); done

Responses in JSON format

{"pin":"8","pinStatus":"HIGH","httpStatus":200,"message":"OK"}

Check STDOUT on your Pi if you haven't redirected

06:09:21.425 [Thread-3] INFO  ApiHandler - Getting pin #8
06:09:21.427 [Thread-3] INFO  ApiHandler - Sending RELAY_PORT_8
06:09:21.432 [Thread-3] INFO  ApiHandler - Pin #8 = HIGH
06:10:54.406 [Thread-3] INFO  ApiHandler - Getting pin #7
06:10:54.406 [Thread-3] INFO  ApiHandler - Sending RELAY_PORT_7
06:10:54.407 [Thread-3] INFO  ApiHandler - Pin #7 = LOW