Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Communication Interface | I²C Digital Output |
| Operating Voltage | 3.3V to 5.5V DC |
| Temperature Range | -40°C to +80°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.5°C (Typical) |
| Humidity Accuracy | ±2% RH (Typical) |
| Response Time | < 5 Seconds |
| Power Consumption | < 1mA (Measuring) |
| PCB Dimensions | 25mm x 15mm x 10mm |
| Package Weight | 3 grams |
Anonymous
Apr 06, 2026
Rating: 5/5
Noise immunity is real
Placed this near a variable frequency drive where other sensors failed. The high EMI immunity claim holds up. Very satisfied with the performance.
Anonymous
Feb 19, 2026
Rating: 3/5
Pin spacing tight for beginners
The sensor works as described but the pin spacing is a bit tight for hand soldering if you are new to electronics. Would recommend buying a pre-soldered version.
Anonymous
Feb 06, 2026
Rating: 4/5
Good value for money
Works well with Raspberry Pi. Had to enable I2C in the config but once set up, it reads data quickly. Deducting one star because the pin headers were not included.
Anonymous
Jan 29, 2026
Rating: 5/5
Fast delivery and secure packaging
Arrived earlier than expected. The anti-static bag was sealed properly. Tested immediately and accuracy matches my calibrated hygrometer.
Anonymous
Jan 27, 2026
Rating: 5/5
Excellent stability for IoT projects
Used this in a greenhouse controller setup with an ESP32. The I²C interface saves GPIO pins and the readings are very stable compared to older DHT models.
Q: Can I use long wires for the I²C connection?
A: For reliable communication, we recommend keeping I²C lines under 30cm. If longer distances are needed, consider using an I²C buffer or extender.
Q: Can I use this sensor outdoors in the rain?
A: No, this module is not waterproof. For outdoor use, please install it inside a weatherproof enclosure with ventilation for accurate readings.
Q: Can I connect multiple sensors on the same bus?
A: Yes, multiple sensors can be connected if they have configurable addresses. Otherwise, you will need an I²C multiplexer to handle multiple devices.
Q: Is this compatible with 5V Arduino boards?
A: Yes, the module supports operating voltages from 3.3V to 5.5V DC, so it is safe to use with 5V logic Arduino boards.
Q: Is there a specific Arduino library for this module?
A: Yes, please check our GitHub repository for the AM2301B I²C specific library. Standard DHT libraries may not be compatible due to the interface difference.
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