TFT Display Technology

Touch Controller

Posts filed under the tag “Touch Controller”.

Touch controller articles focus on the electronics and firmware behind a smooth touch experience. The controller has to interpret weak capacitance changes while ignoring noise, moisture, grounding issues, and display interference. This tag is useful when a touchscreen works in a demo but fails in the final enclosure, or when teams need to tune sensitivity, gestures, wake behavior, and production testing for a consumer product.

TFT LCD touchscreen not responding troubleshooting setup on an electronics repair bench

Why Is My TFT LCD Touchscreen Not Responding?

· 7 min read

A practical troubleshooting guide for TFT LCD touchscreen not responding problems in consumer electronics, with causes, checks, fixes, and prevention tips for …

Capacitive touch buttons with LED feedback on a control panel prototype

Touch Buttons with LED Feedback

· 14 min read

A practical guide to capacitive touch buttons with LED feedback, covering sensing principles, LED light guide design, front panel materials, firmware logic, EMI …