Touch keyboard module, 4 buttons. The module contains a goldpin header that allows you to quickly connect the keyboard to our Arduino project or other driver. Possibility to choose the keyboard option by selecting the appropriate jumper. Keyboard options: the ability to change the state after detecting a touch from high to low, ability to disable the keyboard, single button activity, sensitivity adjustment and more. Technical specifications The touch keyboard module is equipped with the TTP224 chip Supply voltage: 2.4 - 5V Number of Keys: 4 Response time: In fast mode: approx. 100ms In low power mode: about 200ms LED that indicates touching a key After detecting a touch, the VCC high level is provided Dimensions: 35 x 29mm https://elecena.pl/product/22616731/4-button-touch-keyboard-ttp224-touch-sensor-for-arduino 2023-02-22 https://elecena.pl/product/22616731/4-button-touch-keyboard-ttp224-touch-sensor-for-arduino 2025-10-29