I recently bought 2 LCD from jckrers ebay store. I have a good idea for this stuff, but first I need to run several tests. This LCD are fine and use the common KS108 controller. My first thought was to … Continue reading
tag: avr, clock, diy, lcd
For my next project (another VFD clock ;), I need a small variable PSU. The main issue with the VFD display, is the power supply. In fact you need 2 differents PSU: a 5v / 100mA for the filament a … Continue reading
tag: diy, lcd, psu
Sometimes you need a simple negative power supply. The best example is the contrast PSU for common small LCD device. Building -5V from a battery or a wallmart supply isn’t really easy. I decided to build a small device that … Continue reading
tag: diy, lcd, psu