Th3maz1ng/W800_Smart_Watch
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Chose which sensors to use and why, along with their i2c addresses to spot any possible conflicts

Browse Source
This commit is contained in:
Th3maz1ng 2022-11-19 18:32:16 +01:00
parent dfd4b1b3fa
commit b8ed71c6ea
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
README.md
View File

@ -22,16 +22,27 @@ Possible choices :
* MPU6050
* BMI160
* LSM6DS3
* A magnetometer :
* HMC5883L
* BMA456 <-- SELECTED i2c addr : 0x18 or 0x19 7 bit address, has the wrist tilt detection feature.
* A magnetometer (possible choices):
* HMC5883L <-- SELECTED i2c addr : 0x1E 7 bit address, better soldering footprint
* QMC5883L
* LSM303DLHC
* BMM150 <-- Package with balls, hard to handle
* An air pressure/temperature sensor (to display the altitude for example)
* BMP280
* BMP280 <-- SELECTED i2c addr : 0x76 or 0x77
## Actuators :
* A vibration motor to notify events to the user.
## Power source :
* 1 cell lipo battery
* A charge controller
## Screen + touch element :
* Screen with touch : STP240240_R130A1(T), SPI interface 240*240 px, ST7789V driver.
* Touch element i2c addr : 0x46, IT7257 I2C touch driver
## MCU Pin assignement table :
| Pin Number | Pin Name | Type | Function | Pull UP/DOWN| Connected to | Comment |
|------------|----------|------|----------|-------------|--------------|---------|