R&D LDR Light Sensor Module with LM393 Comparator for Arduino, & ...

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DIYtronics 1 Pc LDR Sensor Module Blue Obstacle Sensing Line Follower for Robotic Science Electronic Components Electronic Hobby Kit

Charohm Combo 6xBC547 Transistor, 10xDiode, 6x1K & 6x100 ohm Resistor, 10xGreen/Red led Electronic Components Electronic Hobby Kit

anythinggg 3S20Amp Electronic Components Electronic Hobby Kit

ELECSYNERGY BC547 NPN TRANSISTER PACK OF 10 Electronic Components Electronic Hobby Kit

AVISRI 2 PCS 1 Channel 5V Relay Board for Arduino , Microcontrollers, Home Automation Electronic Components Electronic Hobby Kit

Cam cart HC SR501 HC-SR501 Adjust Infrared IR PIR Motion Sensor Power Supply Electronic Hobby Kit

Malati Combo of Bc547 transistor and ldr Sensor, 10 Pic 5mm Ldr & 10 Bc547 transistor Electronic Components Electronic Hobby Kit

Electrobot IR Sensor Alarm Kit With Temperature Control Security Circuit and Motion Detector Electronic Hobby Kit