Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface | I2C |
| Supply Voltage | 2.4V to 5.5V |
| Temperature Range | -40°C to +125°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.2°C |
| Humidity Accuracy | ±2% RH |
| Communication Protocol | I2C Standard Mode |
| Package Type | Breakout Board |
| Board Dimensions | 20mm x 15mm |
| Chip Compatibility | SHT30 Drop-in Replacement |
Anonymous
Feb 28, 2026
Rating: 5/5
Perfect for Arduino Projects
Works flawlessly with the standard SHT30 libraries. Readings are stable and accurate compared to my calibrated meter.
Anonymous
Feb 15, 2026
Rating: 5/5
Exact SHT30 Replacement
Needed this for a repair job where the original SHT30 was unavailable. This CJ-GXHT30 worked without any code changes.
Anonymous
Feb 07, 2026
Rating: 5/5
Reliable Data
Using these in a greenhouse monitoring system. They have been running for 3 months without drift.
Anonymous
Jan 31, 2026
Rating: 3/5
Works but needs pull-ups
Didn't work initially until I added external pull-up resistors to the I2C lines. Might be obvious to pros, but beginners beware.
Anonymous
Jan 21, 2026
Rating: 4/5
Good sensor, pinout unclear
The sensor itself is great, but the silk screen on the board was a bit faint. Once wired correctly, it works well.
Q: Is there a specific Arduino library?
A: Yes, most standard SHT30 libraries work perfectly with this module.
Q: How fast can I sample data?
A: You can configure measurement rates from 0.5 Hz up to 10 Hz depending on accuracy mode.
Q: Can I use this outdoors?
A: The chip is sensitive to moisture condensation directly on the die. We recommend using an enclosure for outdoor use.
Q: What is the default I2C address?
A: The default unicast address is 0x44. Alternative address 0x45 is selectable via hardware.
Q: What logic level does this support?
A: It supports both 3.3V and 5V logic levels safely.
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