A
Anonymous
Mar 19, 2026
Rating: 5/5
Reliable for IoT
Using it in a weather station. No issues so far.
Description
Serial DHT11/DS18B20 digital temperature and humidity sensor module
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface Type | UART TTL Serial |
| Operating Voltage | 3.3V - 5.5V DC |
| Temperature Range | -40°C to 80°C |
| Humidity Range | 20% to 90% RH |
| Communication Baud Rate | 9600 bps |
| PCB Dimensions | 25mm x 15mm |
| Weight | 4.5 grams |
| Cable Length | 20 cm |
| Pin Count | 4 Pins |
| Compatibility | Arduino, Raspberry Pi, STM32 |
5 reviews
A
Anonymous
Mar 18, 2026
Rating: 3/5
Okay product
Works but documentation was hard to find initially.
A
Anonymous
Mar 04, 2026
Rating: 5/5
Works great
Easy to integrate with my ESP32 project. Data is stable.
A
Anonymous
Mar 02, 2026
Rating: 5/5
Excellent module
Serial output saves GPIO pins. Highly recommend.
A
Anonymous
Jan 29, 2026
Rating: 4/5
Good sensor
Accurate enough for room monitoring. Cable is a bit short.
5 FAQ
Q: What library should I use?
A: Standard Serial library works. Sample code is provided.
Q: Is it waterproof?
A: No, the sensor is not waterproof. Use an enclosure.
Q: Can I connect multiple modules?
A: Yes, via UART multiplexing or separate TX/RX lines.
Q: Does it support 3.3V logic?
A: Yes, it operates between 3.3V and 5.5V.
Q: Is the cable detachable?
A: No, the cable is soldered directly to the PCB.
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