16-Key Touch Keypad for Raspberry Pi

Based on the TTP229-LSF chip, this board lets you build a compact 16-key touch keypad for use with Raspberry Pi. The system recalibrates itself automatically when none of the keys is touched for more than 4 seconds.

SKU 2850-RPITOUCHKEYEAN 8219671072700Lighting: NoneSwitch action: TouchItem type: Assembled, Joystick, Shields & add-ons

Description

Based on the TTP229-LSF chip, this board allows you to build a small 16-button touch keypad for use with Raspberry Pi. The system automatically recalibrates when no button is touched for more than 4 seconds.

Documentation and useful links

Technical details

Interface I²C
Number of buttons 16
Sampling 8 Hz
Human Body Mode 6 KV
Power supply 2.4 Vdc to 5.5 Vdc
Operating temperature from -40℃ to +85℃
Dimensions (mm) 85x56
SDA I²C SDA
SCL I²C SCL

You may also like…

About us

Open-Electronics.org is the brainchild of a world leader in hobby electronics Futura Group srl. Open-Electronics.org is devoted to support development, hacking and playing with electronics: we share exciting open projects and create amazing products!

Open-Electronics.org is not just a container of ideas: it is also a web site lead by a team of engineers and geeks who will take part in the discussions and give support.

Our mission is to become a reference Open Source hacking site with ideas and feedback aimed to enrich the community.