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Description
FREE SHIPPING ITEM. The shipping fee is included in the item price.
Please note: This kit includes a DIY inductor with 4.5 turns. Before soldering it to the circuit board, ensure to scrape off the leads of the inductor.
Introducing another simple and budget-friendly DIY FM transmitter kit, perfect for electronics beginners. This kit captures audio from any source and broadcasts it to an FM radio. Tune your FM receiver within the frequency range of 88-108Mhz. Similar to our standard FM transmitter, this kit features a CR2032 cell holder for power.
It's important to mention that the inductor provided cannot be used to adjust the transmission frequency. The transmitter operates at a fixed frequency, which may vary upon powering off and on. However, it's a great way to experiment and learn about transmission mechanisms.
Transmission Range: Up to 10 meters indoors and 50-100 meters outdoors, depending on antenna types used in both transmitter and receiver.
Power Supply: Compatible with CR2032 3V cell batteries.
Find the schematic of the transmitter below:
The transmission range depends upon the open area, length of antenna and power.
Soldering is very straight forward. PCB has clear silkscreen that should guide to solder the components on the right spot.
NOTE: Be careful with the polarity of the electret microphone
The kit package includes the following components:
- 1 x 2.2K Ohm resistor
- 1 x 22k Ohm resistor
- 1 x 220R Ohm resistor
- 1 x S9018 transistor
- 1 x 10pF capacitor
- 3 x 30pF capacitor
- 1 x 0.01uF capacitor- code 103
- 2 x 0.1uF capacitor- code 104
- 1 x Electret Microphone
- 1 x SPDT switch
- 1 x CR2032 cell holder
- 1 x Inductor (4.5 turns) Watch this video
- 1 x 20cm antenna wire
- 1 x PCB
Package includes: 1 x FM transmitter DIY kit components with a battery holder
Document: Assembly images of similar FM microphone
Additional Information
Shipping & Return
SHIPPING
Our default shipping method is Registered International Post with a tracking code. Alternatively, you may opt for express shipping via DHL or FedEx.
Please note that we endeavor to ship all orders within 24 to 48 hours. The typical delivery time frame ranges between 2 to 4 weeks.
Kindly be aware that unforeseen circumstances, including customs or postal delays, may occasionally affect delivery times beyond our control.
Customers are responsible for any customs charges and should verify their country's customs policy.
RETURNS
If you are dissatisfied with the product, you may initiate a return within one month from the date of delivery. Please ensure that the product is sent back to our address in Sydney, Australia. Kindly note that all shipping charges associated with the return are the responsibility of the customer.
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