Stripboard connected; 12V in, 5V out to Rpi. Darlington and pull-ups to the Rpi GPIO pins.
Aug 5 2017
Stripboard with voltage step-down, Darlington driver and pull-ups mounted in the box.
Testing with Raspberry Pi Zero GPIO output connected to a Darlington driver, success again!
Aug 3 2017
Trying to power the Raspberry Pi Zero with the buck step-down converter, success!
Mounted the buck step-down converter and verifying the voltage levels.
Started soldering components to the fireman alarm circuit board, buck converter to the left.
Aug 2 2017
WeMos D1 mini relay circuit board complete.
Jun 24 2017
Soldering wires to relay, using pin headers as connectors.
Testing the WeMos relay circuit in with indented load connected.
Testing relay by sending MQTT commands to the WeMos D1 mini chip.
Connecting wire from input power to voltage step-down converter.
Connecting wires for input voltage, and output through relay.
Voltage step-down outputs 5V to relay and WeMos, input from 7-28 volts.
Making some adjustments to stripboard with WeMos D1 mini, to make it fit in the case.
WeMos D1 mini module mounted with relay and voltage step-down on stripboard.
Electronics, computers, tech and other geeky stuff by Thomas Jensen aka Hebron
Content licensed under CC BY-SA 4.0.
Made in Norway
Deployed: 1 hour ago