Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Communication Interface	I2C (Inter-Integrated Circuit)
Operating Voltage Range	2.1V to 5.5V DC
Temperature Accuracy	±0.3°C (typical at 25°C)
Humidity Accuracy	±2% RH (typical at 20-80% RH)
Measurement Range (Temp)	-40°C to +125°C
Measurement Range (Humidity)	0% to 100% RH
Response Time	8 seconds (typical for humidity)
Package Type	DFN8 Surface Mount Module with Breakout Pins
Power Consumption	1.5 µA (sleep mode), 330 µA (measurement)
Compatible Models	SHT20, SHT30, SHT31, SHT35, SHT41

6 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Perfect for Arduino Projects

This sensor module works flawlessly with my Arduino Uno. The I2C communication is stable, and the readings are consistent with my calibrated reference meter. The breakout pins make it very easy to prototype without soldering.

Anonymous

Mar 29, 2026

Rating: 4/5

Accurate but needs calibration for extreme ranges

Great sensor for monitoring my indoor garden. Humidity readings are spot on in the 40-70% range. I noticed slight drift at very high humidity levels, but for general environmental monitoring, it is excellent value.

Anonymous

Mar 27, 2026

Rating: 5/5

Easy to use for beginners

I am new to electronics and this was the first sensor I tried. The library support for Raspberry Pi and ESP32 is abundant online. Got it up and running in less than 10 minutes. Highly recommended for learning.

Anonymous

Mar 21, 2026

Rating: 5/5

Low power consumption is real

Running this on a battery-powered node for months now. The sleep current is incredibly low as advertised. Perfect for remote IoT deployments where changing batteries is a hassle. Data integrity remains high over time.

Anonymous

Mar 12, 2026

Rating: 5/5

Reliable Industrial Grade Performance

Used these in a custom PCB design for a data logger. The wide voltage range is a huge plus, allowing direct connection to both 3.3V and 5V logic systems. Fast response time and low power consumption in sleep mode.

Anonymous

Mar 07, 2026

Rating: 4/5

Good value, sturdy build

The module feels solid and the PCB quality is good. Readings match my professional weather station within acceptable margins. Only giving 4 stars because the included header pins were slightly bent upon arrival, but easily fixed.

5 FAQ

Q: Does this come with a library for Python on Raspberry Pi?

A: We do not provide proprietary software, but this sensor uses standard I2C protocols. There are many open-source Python libraries available on GitHub (such as Adafruit_CircuitPython_SHT31) that work perfectly with this module on Raspberry Pi.

Q: Can this sensor be used outdoors in the rain?

A: While the sensor element is robust, the breakout board itself is not waterproof. For outdoor use, we recommend placing it inside a breathable weatherproof enclosure to protect the electronics while allowing air flow for accurate readings.

Q: How often should I recalibrate this sensor?

A: These sensors are factory calibrated and generally maintain accuracy for years under normal conditions. For critical applications, we suggest an annual verification against a reference standard, but routine recalibration is usually not required for hobbyist use.

Q: Is this module compatible with 3.3V microcontrollers like the ESP8266?

A: Yes, the sensor operates on a wide voltage range of 2.1V to 5.5V, making it fully compatible with 3.3V logic systems such as the ESP8266 and ESP32 without needing a level shifter.

Q: What is the default I2C address for this sensor?

A: The default I2C address is typically 0x44 or 0x45 depending on the specific chip variant and ADDR pin configuration. Most libraries auto-detect this, but you can check the datasheet for manual selection via the ADDR pin.

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