nº910

Slot machine with 2 RGB leds. Jackpot self-flashing RGB led is activated whenever color combination is either Red-Red, Green-Green or Blue-Blue, supply 3V

nº909

Blinking pair of incandescent light bulbs with 1 MOSFET, supply USB 5V.

nº908

Roulette with RGB led, supply 3V

nº907

Loop with 10 leds with variable timing controlled by self-flashing RGB led, supply 3V

nº906

MW radio receiver with 2 transistors, USB +5V supply voltage

nº905

Portable AM reflex radio receiver; only ferrite antenna; no ground connection; 2 bipolar transistors; loudspeaker output; supply 3V

nº904

Inductance meter 47uH-10mH for oscilloscope by impedance halving method, supply 3V