Cylewet 30Pcs 5mm 940nm LEDs Infrared Emitter and IR Receiver Diode for Arduino (Pack of 30) CYT1057

Gikfun Infrared Diode Led IR Emission and Receiver for Arduino (Pack of 10 Pairs) EK8460

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

eBoot 30 Pieces Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor 5 mm GM5539 5539

MCIGICM 50pcs ic dip lm358 Operational Amplifier Dual op-amp (Pack of 50pcs)

Gikfun 5mm 940nm LEDs Infrared Emitter and IR Receiver Diode for Arduino (Pack of 20pcs) EK8443

20 Pack Hall Effect Sensor Transistor for A3144 A3144E OH3144E

150 Pcs 15 Value 100 ohm- 2M ohm Trimpot Variable Resistor 6mm Potentiometer Assortment Kit

OSOYOO 10PCS IR Infrared Obstacle Avoidance Sensor Module for Arduino Smart Car Robot

Chanzon Fast Switching/Schottky/Rectifier Diode Assorted Kit (200pcs 14 Values 1N4001 1N4004 1N4007 RL207 1N5404 1N5406 1N5408 UF4007 FR107 FR207 1N5817 1N5819 1N5822 1N4148) Electronic Assortment

HiLetgo 10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm