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How to fit LED lights for RC cars like a pro

Description: $2 for 10pcs PCBs (24 hours turnaround time) Making a good lighting system for your rc projects is not ...
Elektor Magazine

Speaker Oscillator and Resonance Tester: A Fully Experimental Project for Your Speakers

With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...