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.