TTP229 touch keyboard - 16 buttons Keyboard module with 16 touch buttons, TTP229 chip. Digital communication via the I2C bus or pin control. The power supply voltage ranges from 2.4V to 5.5V. The touch switch is perfect for adding touch control, replacing mechanical switches in your project. Technical data: number of keys: 16 type: capacitive touch supply voltage: 2.4 - 5.5V DC chipset: TTP229 interface: 8pin I/O outputs directly or I2C TWI data bus dimensions: 64.5 x 49.3 mm Possible cooperation with microprocessor systems such as ARDUINO, RASPBERRY, STM32, ATMEGA and many others. https://elecena.pl/product/25569137/16-button-touch-keyboard-ttp229-touch-sensor-for-arduino 2024-03-12 https://elecena.pl/product/25569137/16-button-touch-keyboard-ttp229-touch-sensor-for-arduino 2025-10-29