LCM (liquid crystal module) meets the needs of single chip microcomputer 1602. In this figure, one end of the sliding rheostat is connected to GND, the other end is connected to VCC, and the middle tap is connected to the third pin of 1602.

Hubei Jiawei photoelectricity

We wholeheartedly provide you with the following services:

(1) to undertake all kinds of LED display manufacturing and installation projects!

② Provide system-level and chip-level maintenance for LED displays (including indoor and outdoor monochrome and full-color LED displays) produced by different manufacturers.

③ Renovation, maintenance and upgrade of various LED display screens produced by various manufacturers.

(4) Undertake the maintenance and after-sales work of LED display manufacturers in Hubei Province.

⑤ Provide users with LED screen repair, maintenance and annual warranty services from LED display manufacturers.

⑥ Provide a full set of technical training services for LED display screens.

Undertake all kinds of LED display projects/renovation /LED display maintenance and annual warranty! !