Wires soldered to the back-light switch and reset button in the module heartbeat monitor box.
Aug 31 2017
The AVR AT90S8515 is to long that wires have to cross over it on the stripboard to get to the other side.
The stripboard is cut to fit the box, and held in place in the grooves on the sides.
D-sub connector and wires for signal inputs leaving box for module heartbeat monitor.
Wires soldered to LCD in monitor heartbeat monitor.
Crystal oscillator with ceramic capacitors on board for module heartbeat monitor.
Trimmer for LCD contrast adjustment on module heartbeat monitor.
Pull-up resistors for all 15 heartbeat signal inputs on the module heartbeat monitor board.
AVR AT90S8515 microcontroller on circuit board for module heartbeat monitor.
Inside the module heart beat monitor box.
Two DIN rail feet makes the module snap onto a DIN rail.
15 wires with d-sub connector from module heartbeat monitor module.
Clear LED and LCD in module heartbeat monitor box.
D-sub connector and wires coming out of the module heartbeat monitor.
Switch for LCD back-light, and push-button for alarm reset on module heartbeat monitor.
LCD sticking out of the module heartbeat monitor box.
Module heartbeat monitor with LCD.
Added three additional outputs, transistors in separate box.
Inside the car lights controller module.
Voltage regulator with heat sink on car lights controller circuit board.
4 channel PC817 optocoupler on car lights controller circuit board.
AVR ATtiny2313 microcontroller on car lights controller circuit board.
Inside the car lights controller, with additional output transistors in a separate box.
Lots and lots of wires inside the rack status panel body.
Aug 30 2017
Backside of the aluminum plate of the rack status panel.
An overview of the inside of the rack status panel body.
Wires soldered to d-sub connectors inside the rack status panel body.
Laboratory and d-sub connectors wired inside the rack status panel body.
Buzzer on stripboard inside the rack status panel body.
Terminal blocks and relays inside the rack status panel body.
Lots and lots of wires connecting the LEDs, switches and buttons to the connectors.
Backside of the rack status panel, with laboratory and d-sub connectors.
9 and 25 pin d-sub connector in rack status panel. An additional 9 pin connector was previously removed.
Laboratory plugs and d-sub connector in rack status panel.
Status panel for the rack box project, with everything mounted.
Laboratory plugs with 5, 13. and 24 V test power in rack status panel.
LEDs and push-buttons in the rack status panel.
A simple switch for power jack connection.
Inside the simple switch for power jack connection.
Inside the home made I/O tester. Shows if input gets a positive (green) or negative (red) signal.
Home build input and output tester with 6 channels. Shows if input gets a positive (green) or negative (red) signal.
Home made test power with 5 and 12 volts, ESD ground and laboratory connectors.
I made a simple box with a switch and fuse for the kitchen cabinet LED lights, this is the inside.
A fuse, indicator LED and switch for the kitchen cabinet LED lights.
The push-button allows for more button combinations, like bottom + red button to shutdown Raspberry Pi.
Aug 7 2017
I added a push-button to the bottom of the fireman alarm box.
Inside the fireman alarm with everything wired up.
Aug 5 2017
Niklas also found the inside of the fireman alarm very exciting.
Alexander found the inside of the fireman alarm very exciting.
Stripboard connected; 12V in, 5V out to Rpi. Darlington and pull-ups to the Rpi GPIO pins.
Raspberry Pi Zero with power and GPIO pins connected.
Everything has been connected, power to the Raspberry Pi Zero and GPIO to the stripboard.
Stripboard with voltage step-down, Darlington driver and pull-ups mounted in the box.
Started connecting and wiring 12V from the power jack.
Wiring the front panel; indicators and strobe has common 12V, while ground comes from the Darlington driver.
Testing a GPIO input on the Raspberry Pi Zero, 10k pull-up to 3.3V
The Raspberry Pi Zero mounted in the box, power through a power jack to micro USB adapter.
Backside of the front-panel on the fireman alarm toy.
Aug 2 2017
Mounted a panel buzzer with LEDs in the fireman alarm toy.
The messy inside of the 5V and 12V main fuses for the rack box project.
Aug 1 2017
Main fuses for 5V and 12V supply in the rack box project.
Wiring to the push-buttons and LEDs on the electronic switch module.
Closeup of the voltage regulator mounted on heat-sink in electronic switch module.
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