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22 basic electronics circuits made with Electra I - modular electronics education KIT
Fix a non-working electronic fly swatter
PC Power 12 V Current Limiter
HOW TO MAKE DANCING LED'S
Fun with transistors
LM386 based amplifier with sound sensitive LEDs
Turn signal using 555 timer
touch sensor LED
High Efficiency 9-volt LED Flashlight with Touch control
Posted:Jan 10, 2011
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