Kits and Supplies

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  • DIY FM transmitter bug DIY kit

    US $6.50
    32 items sold
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    DIY FM transmitter bug DIY kit

    US $6.50
    32 items sold

    It is yet another DIY FM transmitter with a CR2032 cell holder

    • Transmits your voice to your FM radio within the frequency: 88MHz-108MHz
    • Works as an FM bug.
    • Easy to solder.
    • A learning FM transmitter DIY kit for electronics beginners.
    • This product is a DIY kit, not the end product! This soldering project requires basic electronic knowledge and hands-on ability.

     

    88 in stock

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  • Easy Clap switch- DIY kit

    US $5.50
    23 items sold
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    Easy Clap switch- DIY kit

    US $5.50
    23 items sold

    It’s a simple clap switch DIY kit for electronics beginners, hobbyists, and students. The circuit turns on an LED on your first clap and turns it off on your second clap. There is a possibility of connecting a relay module to this circuit so that you can turn on a 110V-220V AC lights with your claps easily.

    69 in stock

    Frequently bought together

    Relay module for Clap switch- Operate 100-240V AC Appliances

    This relay module can be connected to the basic clap switch DIY kit and you can operate a 110V-220V lamp easily.

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  • Infrared based music transmitter and receiver DIY Kit

    US $9.95
    56 items sold
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    Infrared based music transmitter and receiver DIY Kit

    US $9.95
    56 items sold

    With this “Infrared music transmitter and receiver DIY kit”, you can easily transmit audio from an audio source (for example, mobile phone or mp3 player) to LM386 based audio amplifier module via an infrared link. This project is very popular among beginners, hobbyists, and students.

    98 in stock

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  • LM386 Audio amplifier DIY Kit

    US $5.50
    10 items sold
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    LM386 Audio amplifier DIY Kit

    US $5.50
    10 items sold

    7 in stock

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  • Type 1- Long range DIY FM transmitter with 3 transistors and 3 inductors

    US $11.95
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    Type 1- Long range DIY FM transmitter with 3 transistors and 3 inductors

    US $11.95
    • Long-range FM transmitter: 100m-500m. Tested several times by BuildCircuit team. 
    • Transmit your voice to your FM radio in the range 88-108Mhz.
    • Transmit voice or music.
    • Can be used as a bug FM transmitter
    • Adjust the frequency and volume.
    • Handy and small.

    This is a DIY kit. You will get all the parts required to build this FM transmitter. 

    156 in stock

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  • Type 2- Long range DIY FM transmitter with 3 transistors and 3 inductors

    US $8.38
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    Type 2- Long range DIY FM transmitter with 3 transistors and 3 inductors

    US $8.38
    • Long-range FM transmitter: 100m-300m. Tested several times in BuildCircuit lab.
    • Transmit your voice to your FM radio in the range 88-108Mhz.
    • Transmit voice or music.
    • Can be used as a bug FM transmitter
    • Adjust the frequency.
    • Handy and small.

    This is a DIY kit. You will get all the parts required to build this FM transmitter. 

    93 in stock

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