Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | DHT11 / DS18B20 Compatible |
| Interface | UART Serial (TTL) |
| Operating Voltage | 3.3V - 5.5V DC |
| Temperature Range | -55°C to +125°C (DS18B20 mode) |
| Humidity Range | 20% - 90% RH (DHT11 mode) |
| Baud Rate | 9600 bps (Default) |
| Response Time | < 2 Seconds |
| PCB Dimensions | 32mm x 14mm x 8mm |
| Mounting Hole | 3mm Diameter |
| Application | Arduino, Raspberry Pi, ESP32 Data Logging |
Anonymous
Mar 26, 2026
Rating: 3/5
Good module, slow update rate
The hardware quality is fine, but remember DHT11 has a 2-second sampling limit. Not suitable for rapid temperature change detection. My fault for not checking specs closer.
Anonymous
Mar 21, 2026
Rating: 5/5
Great for school projects
Easy to connect to Arduino Uno. The documentation provided by the seller was clear. Got it working in under 10 minutes.
Anonymous
Mar 13, 2026
Rating: 5/5
Plug and play simplicity
Exactly what I needed for a weather station. The TX/RX pins are clearly labeled. Soldering points are generous and easy to work with.
Anonymous
Mar 10, 2026
Rating: 4/5
Reliable but DHT11 is basic
Works well for general monitoring. Keep in mind the DHT11 sensor itself isn't very precise, but the module circuitry is solid. Would recommend upgrading to a pure DS18B20 setup for critical temps.
Anonymous
Mar 09, 2026
Rating: 5/5
Stable voltage regulation
I appreciate the onboard regulator. I can feed it 5V directly without worrying about damaging the sensor logic. Data stream is consistent.
Anonymous
Mar 05, 2026
Rating: 5/5
Perfect for quick prototyping
This module saved me hours of wiring. The serial output works flawlessly with my ESP32 project. No need for complex libraries, just read the UART stream.
Q: What is the default baud rate for the serial output?
A: The default baud rate is 9600 bps, 8 data bits, no parity, and 1 stop bit (9600-8-N-1).
Q: How do I change the temperature unit from Celsius to Fahrenheit?
A: The module outputs raw data or pre-formatted strings depending on the firmware version. Most users convert the value in their microcontroller code, but some versions accept a command string 'UNIT:F' via serial to switch modes.
Q: Does this module support both sensors simultaneously?
A: No, this specific board is designed to interface with either a DHT11 or a DS18B20 sensor depending on the jumper setting or specific model variant purchased. Please check the product images for the installed sensor type.
Q: Can I use this with a 3.3V microcontroller like ESP8266?
A: Yes, the module operates within a 3.3V to 5.5V range, making it fully compatible with 3.3V logic systems like the ESP8266 and ESP32.
Q: Is the waterproof probe included?
A: This listing is for the bare module only. If you require the stainless steel waterproof DS18B20 probe, please select the bundle option or purchase the probe separately.
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