This a Roger Beep with Microcontroller have 127 differents Tone(MP3 File). The Tone who select stored to Microcontroller Memory & MP3 Module.

Three working models with the following:

DIP Switch

Describe

Front

Roger

0

1

Adding tone to the end of a radio transmission

1

0

Adding tone in front of a radio transmission.                                   

1

1

Adding a tone to both the front and end of a radio transmission.

 

You can find one million MP3 audio file on WWW.it can used mp3DirectCut free software to cut your MP3 audio.

The Roger Beep sound stored in MP3 Module. (00001.mp3,00002.mp3.....00127.mp3)

Shipping Worldwide & Very stable.

It's powered by 7 to 16V DC and draws about 250 mA.

BOM List:

IC

1

DIP 20

7805

1

TO-262

NPN BJT

1

TO-92

MP3 Module

1

micro usb

DIP Switch

1

DIP 4

Diode

1

1N4148

100uF

2

 

0.1uF

1

 

VR 10K

1

 

10K

1

1/8W

PIN Header

1

 

PCB

1

47 x58 mm

The buyer needs the basic electronic  knowledge and ability of  assembling and soldering.