Made with a esp8266 wemos d1 mini and a MPU6050
Libraries extracted from : https://github.com/jrowberg/i2cdevlib just extract the ic2dev and mpu6050 libraries from the arduino repertory
- GND to battery negative
- +5V to switch
- switch to battery positive
- D5 to out of the speaker schematics below
- D1 to SCL
- D2 to SDA
- Connect VCC to VIN
- Connect gnd to GND
You can use a battery pack to power the alarm. I made a little battery with this cheap circuit from aliexpress step up module and a 18650 battery
