A
Anonymous
Mar 31, 2026
Rating: 5/5
Fast Delivery
Component arrived quickly and works exactly as described in the datasheet.
Description
LM393 Voltage Comparator Module for Microcontroller Learning and Development Boards - Sensor Module
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Chip Model | LM393 |
| Operating Voltage | 3.3V to 5V DC |
| Output Type | Digital TTL Level |
| Comparator Channels | 2 Independent Channels |
| Board Dimensions | 32mm x 15mm |
| Mounting Hole Diameter | 3.1mm |
| Adjustment | Potentiometer for Sensitivity |
| Power Indicator | Yes (Red LED) |
| Output Indicator | Yes (Green LED) |
| Package Weight | 4.5 grams |
5 reviews
A
Anonymous
Mar 09, 2026
Rating: 5/5
Works Great
Used it for a line follower robot. Very stable output and easy to calibrate.
A
Anonymous
Mar 05, 2026
Rating: 4/5
Good Value
Works well for the price. Headers were slightly loose but soldered on fine.
A
Anonymous
Feb 17, 2026
Rating: 5/5
Reliable
Tested across multiple voltage levels. Consistent performance throughout.
A
Anonymous
Feb 07, 2026
Rating: 5/5
Easy to Use
Plug and play with my Uno board. The LEDs help visualize the state clearly.
5 FAQ
Q: What is the typical current consumption?
A: Typically less than 10mA during normal operation.
Q: Is a schematic provided with the module?
A: Yes, available on our product documentation page online.
Q: What is the maximum input voltage recommended?
A: The recommended maximum operating voltage is 5V DC.
Q: Is this compatible with 3.3V logic microcontrollers?
A: Yes, it is suitable for 3.3V microcontrollers like ESP32 or STM32.
Q: Is the pinout diagram available on the board?
A: Yes, the pinout is printed on the back of the PCB for reference.
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