The AVR AT90S8515 is to long that wires have to cross over it on the stripboard to get to the other side.
Aug 31 2017
D-sub connector and wires for signal inputs leaving box for module heartbeat monitor.
Wires soldered to LCD in monitor heartbeat monitor.
Inside the module heart beat monitor box.
Clear LED and LCD in module heartbeat monitor box.
LCD sticking out of the module heartbeat monitor box.
Module heartbeat monitor with LCD.
Schematic drawing for module heartbeat monitor with LCD; with AVR AT90S8515.
The heartbeat monitor in the rack box project, connected and working.
Apr 17 2007
The heartbeat monitor installed and connected in the rack box project.
Dec 31 2006
Inside the heartbeat monitor module with everything finished.
Mounting LCD display, LEDs and switches in the enclosure for the heartbeat monitor.
Testing the single line LCD display for the heartbeat monitor module.
Dec 30 2006
Schematic drawing for fan and temperature controller; with AVR ATmega8, LM35 and LCD.
Inside module, centronics connector wired to LCD display.
Jul 27 2015
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.
Dec 3 2007
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.
Dec 1 2007
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.
Apr 15 2007
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.
Jul 16 2006
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: 1 month ago