A
Anonymous
Mar 29, 2026
Rating: 4/5
Good Value
Does the job well. Pin headers were a bit loose but functional.
Description
Microcontroller Learning Board, Sensor Module - Specializing in Components for 22 Years
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Chip Model | LM393 |
| Operating Voltage | 3.3V - 5V DC |
| Output Type | Digital Signal (TTL) |
| PCB Size | 32mm x 14mm |
| Comparator Channels | Dual Channel |
| Sensitivity Control | Adjustable Potentiometer |
| Power LED | Yes (Red) |
| Output LED | Yes (Green) |
| Interface Pins | 3-Pin Header |
| Weight | 4 grams |
5 reviews
A
Anonymous
Mar 15, 2026
Rating: 5/5
Great Module
Works perfectly with my Arduino Uno. Sensitivity is easy to tune.
A
Anonymous
Feb 23, 2026
Rating: 5/5
Fast Shipping
Arrived quickly and well protected in anti-static bag.
A
Anonymous
Feb 12, 2026
Rating: 5/5
Perfect for Learning
Helped me understand voltage comparators in practice.
A
Anonymous
Jan 22, 2026
Rating: 5/5
Excellent Quality
PCB looks professional. Soldering joints are clean and solid.
5 FAQ
Q: Does it output analog voltage?
A: No, this module outputs digital high or low signals.
Q: What is the max current draw?
A: Typically less than 10mA excluding the external sensor load.
Q: Are the headers pre-soldered?
A: Yes, the 3-pin header comes pre-soldered for convenience.
Q: Can I use this with Raspberry Pi?
A: Yes, it is compatible with 3.3V GPIO logic.
Q: Is this 5V tolerant?
A: Yes, it operates safely between 3.3V and 5V.
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