https://github.com/nopnop2002/esp-idf-ttp229

TTP229 Capacitive Touch Driver for esp-idf
https://github.com/nopnop2002/esp-idf-ttp229

capacitive-touch-sensor esp-idf esp32 ttp229

Last synced: about 2 months ago
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TTP229 Capacitive Touch Driver for esp-idf

• Host: GitHub
• URL: https://github.com/nopnop2002/esp-idf-ttp229
• Owner: nopnop2002
• License: mit
• Created: 2021-12-26T02:09:30.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2023-12-26T22:51:44.000Z (over 2 years ago)
• Last Synced: 2025-02-14T06:25:59.359Z (over 1 year ago)
• Topics: capacitive-touch-sensor, esp-idf, esp32, ttp229
• Language: C
• Homepage:
• Size: 8.79 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# esp-idf-ttp229

TTP229 Capacitive Touch Driver for esp-idf.

I ported from [here](https://github.com/arduino12/ttp229b-arduino).   

# Software requirements

ESP-IDF V4.4/V5.x.   

ESP-IDF V5.0 is required when using ESP32-C2.   

ESP-IDF V5.1 is required when using ESP32-C6.   

# Hardware requirements   

TTP229 Capacitive Touch switch.

![TTP229-1](https://user-images.githubusercontent.com/6020549/147397270-528ae5b6-ee00-49ac-8a9c-99e44d544ce1.JPG)

In order to use 16key, it is necessary to short TTP229 TP2.

![TTP229-2](https://user-images.githubusercontent.com/6020549/147397273-09b752ab-0a95-4e2c-8d36-345d37ac2ddb.JPG)

# Installation

```Shell

git clone https://github.com/nopnop2002/esp-idf-ttp229

cd esp-idf-ttp229

idf.py set-target {esp32/esp32s2/esp32s3/esp32c2/esp32c3/esp32c6}

idf.py menuconfig

idf.py flash

```

# Configuration   

![config-top](https://user-images.githubusercontent.com/6020549/147397305-0ce3e49a-64a9-49eb-9528-470562ebca64.jpg)

![config-ttp229](https://user-images.githubusercontent.com/6020549/147397307-7217bbbc-a97a-4712-a599-887ac2752938.jpg)

# Wiring

|TTP229||ESP32|ESP32-S2/S3|ESP32-C2/C3/C6|

|:-:|:-:|:-:|:-:|:-:|

|SCL|--|GPIO4|GPIO17|GPIO0|

|SDA|--|GPIO5|GPIO18|GPIO1|

|GND|--|GND|GND|GND|

|VCC|--|3.3V|3.3V|3.3V|

__You can change it to any pin using menuconfig.__   

__The markings on the board are SCL and SDA, but not the i2c interface.__   

# Screen Shot   

![TTP229-3](https://user-images.githubusercontent.com/6020549/147401025-867f5b12-f2e4-4268-9a5f-30dcd786020b.jpg)

# Reference   

https://github.com/nopnop2002/esp-idf-mpr121