1. Voltage: 3.3V ~ 5V
2. Current: < 10mA
3. Volume: 15.24mm x 15.24mm x 2mm
4. Pad spacing: up and down 100mil (2.54mm), left and right 600mil (15.24mm)
5. Data interface: serial port (TTL level, baud rate support 9600 (default), 115200, 460800)
6. CO2 concentration range (CO2): 400ppm-5000ppm
7. TVOC: 0ppb-1000ppb
8. Return rate: 0.1-1hz
name | function |
VCC | Module power supply, 3.3V or 5V input |
RX | Serial data input, TTL level |
TX | Serial data output, TTL level |
GND | Ground wire |
SCL | I2C clock line |
SDA | I2C data line |
RES | Connecting sensor nreset |
SWIM | Stm8's swim |
INT | Connecting sensor Nint |
WAKE | Connect sensor nwake |
After sale instructions