TTP229-B
Revision as of 18:44, 18 July 2017 by Grovkillen (talk | contribs) (Created page with "= Introduction = The TTP229 is a chip used for touch pads. Typically the TTP229 is used with 8 or 16 keys. Power requirements are 2.4V - 5.5V which makes them ideal to use wit...")
Introduction
The TTP229 is a chip used for touch pads. Typically the TTP229 is used with 8 or 16 keys. Power requirements are 2.4V - 5.5V which makes them ideal to use with ESP Easy, the communication protocol is I2C so essentially only 4 cables are needed for up to 16 keys.
Hardware
1st-GPIO -> SCL on the module 2nd-GPIO -> SDA on the module (sometimes labeled SD0) 2.4-5.5V to module VCC GND to module GND
ESP Easy
Use the device tab on the ESP Easy web interface and create a new task by editing one of the available tasks. Select "Keypad - ..." from the drop down box.
The values that this device reports will be as follows: