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allowing children to develop their hands-on abilities and learn scientific knowledge
This will reciprocate and swing back and forth with the iron shaft as the axis
Paste the double-sided adhesive on the lower end of the round hole in the middle of a pole
and the inner sleeve of the iron shaft is used to adjust the position of the coil
As shown in Figure 8
LM1875T Mono Level Power 30W Amplifier DIY Solder Kit jeep allowing children to develop theirLM1875T learn to solder kit. Mono boom level power 30W amplifier board. Connect your own speaker and audio input to power amplifier PCB screw terminals. DIY kit LM1875
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