Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface Type | UART / TTL |
| Operating Voltage | 3.3V - 5V DC |
| Sensor Chip | HMC5883L Compatible |
| Communication Protocol | Serial UART |
| Baud Rate | 9600bps |
| Module Dimensions | 40mm x 20mm x 5mm |
| Operating Temperature | -40°C to 85°C |
| Heading Accuracy | 1-2 Degrees |
| Package Weight | 15g |
| Compatibility | Arduino, STM32, Raspberry Pi |
Anonymous
Apr 08, 2026
Rating: 5/5
Perfect for my rover project
Works flawlessly with my Arduino Mega. Calibration was straightforward using the provided docs. Heading data is stable.
Anonymous
Apr 01, 2026
Rating: 4/5
Good sensor, minor wiring issues
Sensor is accurate but the UART wiring took some trial and error. Overall satisfied with the performance.
Anonymous
Mar 14, 2026
Rating: 5/5
Great value for money
Cheap and effective. Documentation included was helpful for integration into my embedded system.
Anonymous
Mar 11, 2026
Rating: 3/5
Calibration learning curve
Works well once calibrated, but initial setup was confusing for a beginner. Documentation could be clearer.
Anonymous
Feb 10, 2026
Rating: 5/5
Reliable heading data
Used this for a DIY drone project. Stable readings even near motors. Great value for the price point.
Q: Does this work with 3.3V logic levels?
A: Yes, it supports both 3.3V and 5V logic levels safely.
Q: What is the pinout configuration?
A: VCC, GND, TX, RX are clearly labeled on the PCB silkscreen.
Q: How do I calibrate the module?
A: Follow the figure-8 motion procedure outlined in the included documentation.
Q: Can this be used outdoors?
A: Yes, but keep it away from large metal objects for best accuracy.
Q: Is there an Arduino library available for this?
A: Yes, several open-source libraries support the GY-26 protocol on GitHub.
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