Electronic Soldering Practice Kits. DIY kits for beginners. Simple DIY Soldering Project. Soldering Kits for teen.
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Description: It is a sound control rhythm flashing light. With the sound of music or other sounds,the LED lights flash and move in accordance with the rhythm of the sound (the speed of the sound). A…
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There are positive and negative points for electret microphones. The end connected to the aluminum shell is the negative end. During installation,the two wires of the microphone can be soldered to the circuit board through the fixing holes through the circuit board,so that the wires are not easy to break.
The power supply has positive and negative differences. Generally,DuPont cable is used to connect the power supply. It can also be connected directly with a 3-6V battery box according to the situation.
The circuit adopts high-brightness concave electrodeless warm white-yellow dual-color LED. This kind of LED can emit light in both positive and negative directions. It emits warm white light in the forward direction and yellow light in the reverse direction. All of them should be in the same direction when installed,otherwise the light may be uneven.
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Shipping Rate | Tracked | Ships From | First Item | Additional Items |
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1-10 | $5.99 |
11-20 | $4.99 |
21+ | $4.70 |
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