White DIY Electronic Kit Bluetooth Speaker Electronics DIY Soldering Project Kit Teaching Practice Bluetooth Stereo Speaker. The MIC converts the sound signal into an electrical signal, which is coupled to Q1 for amplification via C2.
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Main functions: Bluetooth 5.0 reception, USB, SD card insertion, FM radio playback, voice calls, AUX input. FM radio need to add welding antenna, you can find a suitable wire soldered to the antenna welding point, disc in the chassis to increase the radio sensitivity.
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Its reliability ensures consistent performance without compromising safety. Comprehensive Functionality: With a wide range of functions, this colorful digital clock electronic kit is versatile and can be used in various settings.
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Tesla on the basis of the general increase of the music player, you can play phone / computer music, a clear sound. 1X DIY15W Mini Speaker Music Tesla Coil Kits. Principle of wireless transmission: a coil connected at both ends with both ends LED, near-emitter device, Qiliang LED, the principle is resonant wireless power transfer.
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Press “=” in case both operands are 0, the color ring resistor calculation mode will automatically identify the 4-color ring or 5-color ring. Addition, subtraction, multiplication, division operation of negative numbers, the function of continuous calculation over the calculation range will be reported as an error, the color ring resistor resistance value conversion input the number of colors to automatically identify the 4-color ring or 5-color ring.
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The circuit consists of NE555 circuit, CD4017 circuit and LED light circuit. EASY TO INSTALL AND USE: Simple design for DIY enthusiasts with clear instructions and simple installation process. Sound & Vision.
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Hole Hold Circuit Board Inlay. 5 x Plastic Project Box. Material: ABS.
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Support external audio input LINEIN; support Bluetooth function, Bluetooth version 5.0. Support the radio FM, retrieval band (87.5MHZ-108.0MHZ). 1 x DIY Radio Kit. Working current: more than 1A (different radio stations, different music under the working current are different).
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