[TODO]
- Overview detail descriptions
- Pinouts detail descriptions
- Assembly module Picture & descriptions
- How to use BLE shepherd(freebird) detail descriptions
- Electrical Specifications test value
- upload Schematic picture
- Overiew
- Pinouts
- Assembly
- [How to use](#How to use)
- [Electrical Specifications](#Electrical Specifications)
- Downloads
This module can detect and notify gas level in ppm, if gas level is high, it will trigger buzzer alarm automatically. The gas level will be measured by ADC which is on the BLE.
- Features
- Detect/Notify gas level in ppm
- Manual trigger buzzer alarm
- Auto-trigger alarm when gas level is high
- Power Pins:
- Vcc
- GND
- AO
Read Gas data - Alarm_EN
Contorl Buzzer
- BLE Dongle + BLE shepherd(freebird)
- How to use BLE shepherd(freebird)
Parameter | Absolute Maximum Rating | Uints |
---|---|---|
Power | W | |
Operating current | A | |
Vcc to Gound | V | |
5V to Ground | V |
LM358 Datasheets
MQ2 Datasheets
Schematic