Features - Amplifier board module, the maximum output power2.5W, loud and clear voice. - Volume adjustment function, the volume can be change according to the Requirements. - New circuit, strong anti-interference ability. - Smaller size: 16mm*18mm. - SupportMono 8 bit 8K and 16K sampling rate, the sound can have arbitrary segments, each sound segment can have arbitrary length. - Voice information can be recorded and broadcast as different segments , the voice information can be
changed at any time. - FLASH memory. Lower cost and better reliability. - New standby mode and the its working current is just 0.3mA.
NUMLabelFunctionRemarks 1VCCPower+ďĽ4.75~12VďĽ‰ 2TXD/D4Serialport Tx and control pin 4 3RXD/D3Serialport Rx and control pin 3 4D2control pin 2 5D1control pin 1 6GNDGround 7VO-Voice volumeoutput + 8VO+Voice volume output- 9OUTVoice without power amplification 10NCNo connect 11BUSY(Working mode) high level when in play mode. 12MODEMode selectionďĽšHigh:play modeďĽ›low:record mode Record Mode Method Please refer to the introduction of the â€śICWaveDownloadâ€ť Play Mode Method Schematic diagram
Module response to rising edge of pins D1,D2,D3,D4. (Frequency:about 50Hz). Mechanical drawing The mobile Application Arduino control Access control system
Package Included: 1 x 4-Channel Control Voice Sound Record Playback Module 5V for Arduino 4-Channel Control Voice Sound Record Playback Module 5V for Arduino