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zerog2k/id115_description.md

Created August 11, 2018 23:39
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ID115 Bluetooth BLE smart watch fitness band pinouts
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id115_description.md

ID115

product url

https://www.banggood.com/ID115-Fitness-Tracker-Smart-Bracelet-Step-Counter-Activity-Monitor-Wristband-for-Android-IOS-p-1125265.html?p=WX0407753399201409DA

details

  • nordic nrf51802_qfaa processor (16k ram, 256k flash)
  • 16MHz crystal oscillator
  • oled, ssd1306, i2c, 128 x 64 ?
  • spi flash (25F08B ?)
  • buzzer
  • touch button, capacitive sensing
  • kx022 accelerometer

pinouts

nrf51_gpio device device_pin note
30 uart pad rxd
0 uart pad txd
2 vibrator
3 spi flash sdo
4 spi flash ss
8 kx022 scl
9 kx022 nCS
10 touch sensor cap sense touch
11 kx022 sdo/addr
12 kx022 sdi/sda
21 oled sda
22 oled scl
23 oled rst
28 spi flash sclk
29 spi flash sdi
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