Stripboard connected; 12V in, 5V out to Rpi. Darlington and pull-ups to the Rpi GPIO pins.
Aug 5 2017
The Raspberry Pi Zero mounted in the box, power through a power jack to micro USB adapter.
Closeup of Raspberry Pi Zero during GPIO testing. LED is lit, meaning it works!
Aug 3 2017
Soldering the pin headers on the Raspberry Pi Zero board.
Inside the warning lights controller, with wires connected to pin headers.
Aug 1 2017
DIL sockets and wires soldered onto stripboard for Lync light.
May 15 2017
Test board for ribbon cable to pin header.
May 14 2008
Ground on the Arduino board, connected to the LEDs.
May 29 2016
Outputs on the Arduino board, connected to the LEDs.
Inside the Lync light, wires connected to the Arduino board.
May 9 2016
Soldering on a straight pin header for easy connections to the Arduino board.
Closeup of the output transistors, base resistors and pin headers.
Jul 27 2015
Stripboard inside of the intruder alarm system controller
Closeup of the stripboard and AVR ATtiny2313 microcontroller.
Showing the circuit board in keypad module with ATtiny2313 microcontroller.
Cabling between the microcontroller circuit board, keypad, connector and LEDs in keypad module.
A close look at the circuit board for the keypad, with ATtiny2313 microcontroller.
May 23 2008
Closeup of the ATmega8 microcontroller and voltage regulator with heat sink.
Closeup of the ATmega8 microcontroller, and lots of wires.
Inside module, centronics connector wired to LCD display.
Transition board between centronics connector and LCD, with contrast adjustment.
Connections between centronics connector and LCD display.
Close up of the electronics in the emergency strobe, showing ATtiny2313, optocoupler, etc.
Inside the emergency strobe, circuit board connected to LEDs, switches and connectors.
Emergency strobe circuit board wired to LEDs, switches, connectors.
Circuit board is wired and mounted to the case lid on emergency strobe.
Lid on emergency strobe open, showing circuit board, wiring, LEDs, etc.
Circuit board in the warning strobe module. Everything connected.
Mar 22 2008
Circuit board finished, AVR microcontroller not yet installed. Power transistors and voltage regulator visible.
An inside look of Alarm disabling unit #2, voltage regulator with heat sink visible.
May 19 2007
Switches and connectors fitted to plastic box, with wires attached.
Switches and connectors fitted to alarm disabling unit #1 case, and wires attached.
Mar 1 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