Schematic drawing for car front lights controller; with AVR ATtiny2313.
Schematic drawing for the lights control unit; with AVR ATtiny2313.
Schematic drawing for the rack box mute and light controller; with AVR ATtiny2313.
I've opened the Sonoff S20 WiFi relay to expose the in-system-programming pins.
Aug 31 2017
Terminal blocks and relays inside the rack status panel body.
Aug 30 2017
Schematic drawing for WeMos MQTT WiFi relay; with WeMos D1 mini.
Relay and diode soldered to stripboard inside a simple relay box.
Aug 1 2017
A simple relay box with terminal blocks on top.
Small relay inside simple relay box.
Simple relay with with terminal blocks on top.
240V 10A relay inside relay box with d-sub connector.
Dec 30 2007
Relay box for power jack, with push button output signal.
Apr 17 2007
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.
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.
Stripboard with relay and Darlington, WeMos D1 mini socket in center of board.
Relay circuit, with protection diode and transistor.
Timer, relays, terminal blocks and modules inside the rack box project. Image taken April 2009.
Apr 13 2009
The base of the rack box, full of modules, terminal blocks and relays.
Mar 10 2008
Relay box with 5 volt relay, fuse and LED indicators.
May 1 2008
Mood-light controller in use, power connected through relay.
Oct 17 2008
Relay installed between the alarm output and horn on the equipment.
May 21 2007
Mar 2 2007
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 month ago