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blog:2021-04-01_mcu_ttp229-bsf_16-key_capacitive_keypad_reference



2021-04-01 MCU: TTP229-BSF 16-key Capacitive Keypad Reference

  • Looking for TTP229 based 16-key capacitive keypad reference
  • user-images.githubusercontent.com_44191076_69064016-6ec49c00-0a58-11ea-9b46-c10f4f1a9cdf.jpg

GitHub for ESP8266/ESP32 Driver

Datasheet

  • PDF - Datasheet of TTP229-BSF
    • The I2C address not shown in this specification
    • Configuration
      • TP2 not connected: 8 keys
      • TP2 connected (pulled low): 16 keys ←- I need this mode
      • TP3 and TP4 not connected: single key mode ←- I need this mode
      • TP3 and TP4 both connected (pulled low): multiple key mode
  • PDF - TTP229-Capacitive-Touch-Sensor-Module-16-channels-Datasheet1.pdf
    • The I2C address in this document is 10101111 = 0xAF for Read

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Permalink blog/2021-04-01_mcu_ttp229-bsf_16-key_capacitive_keypad_reference.txt · Last modified: 2021/04/01 11:05 by jethro

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