Schematic drawing for fan and temperature controller; with AVR ATmega8, LM35 and LCD.
Inside module, centronics connector wired to LCD display.
Connections between centronics connector and LCD display.
Front of the completed LCD display module.
LCD unit connected and working, currently showing temperatures on the LCD.
LCD unit connected and working, currently showing MP3 song information on the LCD.
A front look of the complete box with LCD and rubber feet attached.
A front look of the box with the LCD mounted, during assembly.
Mounted LCD with the wires soldered in the box. Wires on the left is for back light.
Testing the LCD with the parallel port before starting the assembly.
Schematic drawing of an LCD connected to a parallel (printer) port.
Fan and temperature controller, showing temperature and set points for fan and alarm on the LCD. Temperature sensor LM35 can be seen sticking out.
Fan and temperature controller, with LCD back light on. Temperature sensor LM35 can be seen sticking out.
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.
Electronics, computers, tech and other geeky stuff by Thomas Jensen aka Hebron
Content licensed under CC BY-SA 4.0.
Made in Norway
Deployed: 2 days ago