Phototransistors Phototransistor (10 pieces)

SUNKEE 20pcs Photo Light Sensitive Resistor Photoresistor Optoresistor 5mm GM5539 5539

AIRSUNNY three Legs 5 pairs Infrared Diode LED IR Emission and Receiver

1 X WYHP Mini Laser Dot Diode Module Head WL Red 650nm 6mm 5V 5mW Pack of 10pcs

Uxcell a12013100ux0116 High Knob 3P 2 Position 1P2T SPDT Vertical Slide Switch, 0.5 Amp, 50V DC, 50 Piece, 3 mm

30Pcs 2 Pole 5mm Pitch PCB Mount Screw Terminal Block 8A 250V

Aven 17010 Adjustable Circuit Board Holder

10 pcs UA741 LM741 17741 IC OP AMP COMPENSATED DIP-8

Electronix Express- Hook up Wire Kit (Solid Wire Kit) 22 Gage (25 Feet)

Texas Instruments LM386N-1 LM386 Low Voltage Audio Power Amplifier DIP8 (Pack of 5)

5pcs 6x8cm Double-side Prototype PCB Universal Printed Circuit Board