=====Equipment====
  * [[https://jlcpcb.com/partdetail/STMicroelectronics-LIS2DH12TR/C110926|Accelerometer]]
  * [[https://jlcpcb.com/partdetail/NordicSemicon-NRF52832_QFAAR/C77540|MicroController]]
  * [[https://jlcpcb.com/partdetail/CUI-CMI_9705_0580_SMTTR/C22359716|Buzzer]]
  * [[https://jlcpcb.com/partdetail/DiodesIncorporated-AP2112K_33TRG1/C51118|Voltage Regulator]]
  * [[https://jlcpcb.com/partdetail/Korean_HropartsElec-TYPE_C_31_M12/C165948|USB-C Charger]]
  * [[https://jlcpcb.com/partdetail/280164-S2B_PH_SM4_TB_LF_SN/C295747| Battery Connector]]
  * [[https://www.adafruit.com/product/1570|Battery]]
  * [[https://jlcpcb.com/partdetail/NordicSemicon-NRF52840_QIAAR/C190794|new MicoControl]]




===assembly website===
https://jlcpcb.com/parts

Use **EasyEDA** to design it