React project checking status of raspberry pi every 3 seconds allowing user to send request that opens/closes the gate through raspberry pi
Node/express app controlling gpio pins on raspberry pi that also allows checking status of connection from frontend
Raspberry pi 4, SRD-05VDC-SL-C relay running on raspberry's 3.3v with 3.3v signals because nobody got time to properly setup voltage stepping and of course remote controller with desoldered button that now gets signal from relay