The module QJM003-2 with 433MHz remote control sensor, which is a DIY MP3 sound module for some customized technical sound devices, such as sound alarm devices, or induction household appliances.

With a 300-meter-long detective distance, it could be widely applied in some industrial equipment that needs a remote control or some sound alarm system. The power switch is a toggle design, easy to operate. Standard built-in 4M Flash memory, it also can be expanded if needed, the maximum is 16M.

Feature

1. Support MP3, MAV audio format.

2. Four-way triggers, compatible with high or low-level triggers. The high voltage range is 12~24V, low voltage is below 0.7V.

3. Build in 4M flash memory, which also can be expanded to 8M, 16M.

4. Audio download or charge can be through the micro USB. Every document needs to be put in a folder named "00".

5. Support external infrared induction module, infrared beam module, voice control module, microwave induction module, etc. (Extended functionality, additional device required)

6. Using TXT configuration files to change the audio playback mode, such as single loop, sequential playback, etc.

7. Comes with 5W power amplifier output, good sound quality, volume can be adjusted at will, suitable for various occasions.

8. Each line plays the corresponding audio file. To play the audio file in sequence, you can also name the audio file with four digits, for example, 0001,0002,0003......

9. Available for some 433 MHz remote controllers.

Parameter

①Common port GND & VSSK1~K4 Trigger PortSwitching value/ high or low-frequency trigger
②Short-distance infrared induction or remote controller welding points
③433 MHz remoe control welding port
④Micro USB port. Can connect to a computer to replace audio
⑤Volume Adjustment
⑥Indicator Light
⑦2W above, 8ohms Speaker
⑧Connect DC5V~24V power supply