Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Brand | Youxin Electronics |
| Model Number | YX-LDR-01 |
| Sensor Type | Photoresistor (LDR) |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Digital Switching Output (0 and 1) |
| Detection Angle | 60 Degrees |
| PCB Dimensions | 32mm x 14mm |
| Comparator Chip | LM393 |
| Sensitivity Adjustment | Potentiometer Included |
| Application | Smart Car Light Tracking, Ambient Light Detection |
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect for my line-following robot upgrade
These sensors are incredibly responsive. I used them to add light-tracking capabilities to my Arduino-based smart car, and the adjustment potentiometer made calibration a breeze. Great value for the price.
Anonymous
Mar 26, 2026
Rating: 4/5
Good quality, fast shipping
The build quality is solid and the soldering points are clean. It works exactly as described for detecting ambient light changes. Only giving 4 stars because the included header pins were slightly bent, but easily fixed.
Anonymous
Mar 20, 2026
Rating: 5/5
Great for beginners
As someone new to electronics, I found this module very easy to integrate. The digital output makes it simple to read with a microcontroller without needing complex analog code. Highly recommended for learning projects.
Anonymous
Mar 19, 2026
Rating: 5/5
Reliable and consistent
I bought ten of these for a classroom project. Every single unit worked flawlessly out of the box. The sensitivity range is wide enough to handle various indoor lighting conditions effectively.
Anonymous
Mar 05, 2026
Rating: 3/5
Works well but instructions could be better
The sensor itself functions perfectly once you figure out how to tune the potentiometer. However, the package didn't include any printed guide, so I had to look up the pinout online. Still a good product overall.
Anonymous
Mar 01, 2026
Rating: 5/5
Excellent sensitivity
Very impressed with how quickly this reacts to light changes. I'm using it for an automatic night-light project, and the transition is smooth. The LM393 chip ensures stable performance.
Q: Is this module compatible with Raspberry Pi?
A: Yes, this module operates at 3.3V-5V, making it fully compatible with Raspberry Pi GPIO pins. Just ensure you connect the VCC to the 5V or 3.3V pin accordingly.
Q: Can this sensor detect infrared light?
A: No, this is a standard photoresistor module designed for visible light detection. For infrared applications, please check our specific IR sensor modules.
Q: How do I adjust the sensitivity threshold?
A: There is a blue potentiometer on the board. Use a small screwdriver to rotate it clockwise to increase sensitivity or counter-clockwise to decrease it while monitoring the output signal.
Q: Does it come with mounting screws?
A: The package includes the PCB module and header pins, but mounting screws are not included. The board has standard 3mm mounting holes compatible with most M3 standoffs.
Q: What is the maximum current consumption?
A: The module typically consumes around 10mA when active, which is very low and suitable for battery-powered smart car projects.
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