IDC stands for Insulation Displacement Connector. Below is a photo of a 2 x 7 pin header. This is called a 2 x 7 because there are 2 rows of 7 pins. Headers can come in many other combinations such as 1 x 3, 2 x 10 etc. The job of the pin header is [...]
Is Modifying a Jumper on a LCD Module Considered a Custom Display Solution?
The jumpers on the back of a COB character LCD displays and COB dot matrix LCD modules have two primary functions. Adjust the brightness of the LED backlight. Adjust the LCD module contrast Many times the PCB contains jumper settings that allow this adjustment. If this is the case, then there is no tooling required and this [...]
How to Adjust the Contrast on Your LCD Display Module
The notes below are recommended for monochrome LCDs: Contrast is the ratio of the LCD segments that are ”ON” and the LCD segments that are “OFF”. The goal is to have the greatest visible difference between the “ON” LCD module segments and the “OFF” LCD module segments. This can all be referred to as the ‘sharpness’ [...]
