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AJMRTC 1PC DC 3V-9V Sound Voice Activated Sensor Module, Intelligent Auto On/Off Delay Sound Control Switch, Microphone Sound Trigger Board for DIY Electronic Circuit Projects
- - Wide DC 3V to 9V operating voltage, compatible with multiple battery power supplies for DIY builds
- - Built-in microphone picks up sound signals, triggers output and automatically powers off after delay
- - Adjustable sound sensitivity via onboard potentiometer to fit different noise environments
- - Compact PCB design, simple wiring, supports direct driving of small LEDs, fans and mini loads
- - Low quiescent current, stable performance for voice-activated light, toy and electronic experiments
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AJMRTC sound voice activated sensor module is an intelligent sound trigger delay switch working at DC 3V-9V. It uses an electret microphone to capture ambient sound signals. Once triggered by sound, the module turns on the output and automatically shuts down after a preset delay period. The onboard potentiometer allows users to adjust sound detection sensitivity conveniently. It features low static power consumption and stable trigger response. It can directly drive small loads such as LED lights and mini fans. Great for DIY voice control lamps, sound-activated toys, robot projects and school electronic circuit experiments.
- Model: Voice Activated Delay Sensor Module
- Brand: AJMRTC
- Working Voltage: DC 3V - 9V
- Function: Sound Trigger, Auto On / Off with Delay
- Adjustable Feature: Sound Sensitivity via Potentiometer
- Package: 1 Piece
- Application: DIY Voice Control Light, Electronic Experiment, Sound Trigger Circuit
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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