Initially testing the software for the 7-segment displays.
A portable voltage regulator, converts 9 to 20 VDC to 5V.
Test board for ribbon cable to pin header.
A bit of preliminary testing of the Traffic lights Arduino source code before starting the module build.
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.
Testing all I/Os on the sound alarm module.
Testing mood light controller, with LEDs connected.
Some final testing of the mood light controller circuit board before installing it in the box.
Testing the AVR microcontroller interfacing the keypad, using STK500.
Testing the LCD with the parallel port before starting the assembly.
Testing a couple of yellow 10mm high intensive LEDs, on a rather messy desk.
Installing the circuit board and doing some final testing on the warning strobe controller.
Fitting stripboard, LCD, wires etc in the case, and doing some testing along the way.
First test of the circuit with LCD for the fan and temperature controller.
Alarm disabling unit #1 complete, running final long term alarm test.
Some final testing of the circuit board before installing it in the box.
Testing the complete circuit and all 33 high intensity LEDs before mounting it all together in the box.
Circuit board with AVR ATTiny2313 ready to be installed in emergency strobe.
Electronics, computers, tech and other geeky stuff by Thomas Jensen aka Hebron
Content licensed under CC BY-SA 4.0.
Made in Norway
Deployed: 13 hours ago