Introduction: Short Rage Wireless Music Transmitter
Now , i am with a short range wireless FM transmitter which can powered through USB. It can take audio signals and transmit it over a short . It's maximum rage is around 100- 150 meters.you can easily listen it over a radio . it's very cheap and easy to build.
Step 1: Fetching Parts
All you need are some common electronic components.
You can buy them at Radio Shack!
1. Transistor BC 548 OR 2N2219a.
2.Capacitors : 1n , 1n , 10p , 10p variable , 1uF electrolytic.
3. Resistors : 2k7 or 2.7 k , 1k , 10k , 10 variable.
4. Inductor : you can make by yourself . 7 turns on 3mm or 6 turns3mm.
5. Battery : 9 volt .
6. PCB you have to make one or use breadboard.
7. Antenna 10 cm long!
8. Nothing else
You can buy them at Radio Shack!
1. Transistor BC 548 OR 2N2219a.
2.Capacitors : 1n , 1n , 10p , 10p variable , 1uF electrolytic.
3. Resistors : 2k7 or 2.7 k , 1k , 10k , 10 variable.
4. Inductor : you can make by yourself . 7 turns on 3mm or 6 turns3mm.
5. Battery : 9 volt .
6. PCB you have to make one or use breadboard.
7. Antenna 10 cm long!
8. Nothing else
Step 2: Circuit Diagram
Here is the simple circuit diagram!
Step 3: PCB - LAYOUT
Here is the PCB layout.
In the next PCB the red ones are capacitors , green ones are resistors , brown one is variable resistor , white one is transistor , yellow one is inductor and other holes are for power and input and antenna. TO make this PCB at home you have to follow this link : ""https://www.instructables.com/id/DIY-Printed-circuit-board/"".
In the next PCB the red ones are capacitors , green ones are resistors , brown one is variable resistor , white one is transistor , yellow one is inductor and other holes are for power and input and antenna. TO make this PCB at home you have to follow this link : ""https://www.instructables.com/id/DIY-Printed-circuit-board/"".
Step 4: Finished Product
HERE is the finished product!