Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Interface Type | 3-Pin / 4-Pin Header |
| Microphone Type | Electret Condenser |
| Output Signal | Analog (AO) & Digital (DO) |
| Sensitivity Adjustment | Potentiometer Included |
| PCB Dimensions | 42mm x 12mm x 15mm |
| Mounting Hole Diameter | 3mm |
| Operating Temperature | -10°C to 50°C |
| Compatible Platforms | Arduino, Raspberry Pi, ESP32 |
| Package Weight | 5 grams |
Anonymous
Apr 14, 2026
Rating: 5/5
Great for Arduino projects
Works perfectly with my Uno. Sensitivity is adjustable which is nice for different environments.
Anonymous
Apr 07, 2026
Rating: 5/5
Sensitive and responsive
Picks up claps and voice clearly. Digital output threshold is easy to set with the onboard pot.
Anonymous
Mar 28, 2026
Rating: 5/5
Perfect for school project
Easy to wire up. Documentation could be better but plenty of online tutorials available.
Anonymous
Mar 05, 2026
Rating: 5/5
Works as expected
Had to tweak the potentiometer a bit but once set, it's stable. Fast shipping too.
Anonymous
Feb 05, 2026
Rating: 4/5
Good value
Does what it says. Not professional grade dB measurement but good for triggers and basic detection.
Q: How do I wire the 4-pin interface?
A: Typically VCC, GND, DO, and AO. Please refer to the pinout diagram in the description.
Q: Is there a specific library for this?
A: It is a hardware sensor, standard analogRead functions work without specific libraries.
Q: Is the output analog or digital?
A: It provides both Analog (AO) and Digital (DO) outputs depending on your wiring.
Q: Does this work with 3.3V logic?
A: Yes, it supports 3.3V to 5V input voltage ranges.
Q: Can this measure exact decibels?
A: It detects sound intensity but requires calibration for precise dB readings.
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