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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