SKU: TH1242
The AM2301B is a high-precision digital temperature and humidity sensor with an operating voltage of 2.2 to 5.5V DC. It can measure temperature from -40°C to +80°C with an accuracy of ±0.3°C at 25°C and a resolution of 0.01°C.
The AM2301B is a high-precision digital temperature and humidity sensor with an operating voltage of 2.2 to 5.5V DC. It can measure temperature from -40°C to +80°C with an accuracy of ±0.3°C at 25°C and a resolution of 0.01°C.
Similarly, it can measure relative humidity from 0% to 100% RH with an accuracy of ±2% RH at 25°C and a resolution of 0.024% RH. It also offers excellent repeatability and hysteresis characteristics, ensuring consistent and reliable measurements.
It communicates with a microcontroller or other devices using the I2C protocol.
Technical specification for AM2301B sensor.
| Model | AM2301B |
|---|---|
| Supply Voltage | 2.2~5.5V DC |
| Supply Current | 250 nA (Dormancy) 980 uA (Measure) When VCC = 3.3V and T < 60°C. |
| Output Signal | I2C |
| Temperature Range | -40 ~ +80°C |
| Humidity Range | 0 ~ 100% RH |
| Temp. Accuracy | 0.3°C |
| Humidity Accuracy | 2% RH (25°C) |
| Temp. Resolution | 0.01°C |
| Humidity Resolution | 0.024% RH |
| Repeatable | TEMP: 0.1°C RH: 0.1%RH |
| Hysteresis | TEMP: 0.1°C RH: +1%RH |
Pinout for AM2301B sensor.
| Pin | Name | Color | Function |
|---|---|---|---|
| 1 | VDD | Red | Power Supply 2.2V ~ 5.5V DC |
| 2 | SDA | Yellow | Serial Data |
| 2 | GND | Black | Ground |
| 4 | SCL | White | Serial Clock |
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