FM-Based Wireless Headset
Category: Cellphone DIY and Cellphone Gadgets -
When listening to music in cell phones, the stretching headset cable sometimes could be so disturbing, as it makes us uncomfortable to move. To solve this problem, cell phone manufacturers have developed A2DP Bluetooth that enables users to listen to music in their phone via wireless headset.
Unfortunately, the price of such a headset is often unaffordable. The kinds of cell phones which support A2DP Bluetooth are also still limited. Now, with some Do-It-Yourself steps from this article, we can invent our own wireless headset by making use FM radio signals.
The Operation Principles
Basically, this work is done merely by connecting the route of the phone’s headset with FM transmitter tools. By doing so, the sound which phone produces will be received by the FM radio tool. It is this FM radio tool that would be reconnected to the headset.
The receiving range of this device won’t be as far as the receiving range of A2DP Bluetooth headset, only around 2-3 meters. However, this device still enables you to change the frequency and listen to another commercial radio broadcast. Besides that, your cell phone will be safer, as you can put it into your bag when riding a motorcycle.
The Things You Need:
1. Mini FM Transmitter
2. Mini FM Radio Tools (Plus Headset)
3. Connecting Device from the Audio Source
Mini FM transmitter is available electronic stores. It costs around Rp. 50,000.00. For those who want to make your own Mini FM Transmitter, follow the next steps:
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