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Note

IT IS KITS ONLY. That is to say, all items are not welded on the pcb board. Buyers have to weld them on the pcb board by themselves.

ONLY for professionals. Kits assembled is not a very complex work but if you are not professional, item might get broken. We cannot offer the warranty for incorrect welding and assembling.

Computer communication function, on-board serial TTL output.

1. Product Description

Using the basic principles of the Red rumor sound kit is the sound caused by infrared (laser) vibration, and then hit the infrared vibration signal is received at the receiver circuit infrared receiver diode, and the signal is demodulated to achieve sound reduction. Transmission distance can reach one meter can be used to make short-range wireless speakers.

2. Electrical Characteristics

Infrared transmitter

Operating voltage: 12V

PCB size: 19 * 25mm

Infrared receiving end

Operating voltage: 4 ~ 12V

Driver Speaker: 0.5W-10W Speaker 1

PCB size: 17 * 39mm

3.Circuit Theory

1). The transmitting end: the headset port, the audio signal input through the transistor Fat S8050, an infrared transmitter to drive the tube, and the audio signal is transmitted in the form of infrared.

2). The receiving end: the infrared receiving tube for receiving the infrared signal transmitter, converted into an audio signal through the LM386 audio amplifier chip, and the audio output signal can be amplified

153

1533

4. Components List

15333

15353

Payment :

We accept PayPal only.
We will only ship item to your PayPal address.
Please leave note in PayPal when making the payment if you have any special request.

Shipping Terms:

United States: 7-15 business days via ePacket delivery.
Other Countries: 10-30 business days.
It may delay due to the strict customs and the bad weather (rain, flood, snow)
Please contact us via eBay Message if you have NOT received item after 30 days, we will check it with post office, and then resend or refund any missing items.

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