Leobot Electronics is your trusted supplier for Arduino, robotics, IoT components, and electronic modules in South Africa. We stock a wide range of high-quality sensors, microcontrollers, modules, cables, and prototyping tools—ready for fast, nationwide delivery. Whether you're a hobbyist, student, or engineer, we provide the essential electronics you need to build, learn, and innovate. In addition to product sales, we offer custom development services including embedded systems, IoT design, CAD modelling, and smart device integration.
Leobot Electronics South Africa - Electronic Component Supplier & Development Service Provider
Leobot Electronics Online Shop
R6.09
The KY-018 light detection sensor module is a device that allows you to detect the presence or absence of light using an Arduino or other microcontroller. It consists of a light-dependent resistor (LDR) and a voltage divider circuit that outputs a voltage proportional to the amount of light detected. The module typically includes a 3-pin connector, with the LDR connected to one of the pins and the other two pins connected to the voltage divider circuit. It is often used in projects that require the detection of light levels, such as automatic lighting systems, security alarms, and light-controlled displays. The output of the module can be read by an analog input pin on the microcontroller, and the microcontroller can use this information to make decisions and control other devices based on the light level detected.
This 3-pin optical sensor uses a simple LDR (Light Dependant Resistor) to directly interact with your Arduino project.
Arduino KY-018 Photoresistor module, used to measure light intensity.
Connect the Power line (middle) and ground (-) to +5 and GND respectively.
Connect signal (S) to pin A2 on the Arduino.
N/A
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LM393 Light Detection Sensor Module (4-pin LM393 LDR Digital & Analog)
R28.35
TCRT5000 Infrared Line Tracking & Tracing Sensor Module
R22.40
ADXL345 3-Axis Accelerometer Module
R84.00
IR Infrared Obstacle Avoidance Sensor Module
R16.80
Speed Sensor/Tacho Sensor (Slot-Type Optocoupler)
Snow & Rain Detection Sensor Module
R28.00
3-Axis Compass Magnetometer Module (GY-273 QMC5883L)
R78.40
Reed Sensor Module (MagSwitch)
R10.71
Temperature Sensor Module (KY-001 3pin DS18B20)
R44.80
Soil Moisture (Humidity) Sensor Module
IR Receiver & Flame Detection Module (KY-026)
R9.87
Digital Hall Magnetic Sensor Module (KY-035 3pin, 3144233)
R18.48
5kg Electronic Scale Sensor (Load Cell 5 to 10V, YZC-131)
R127.60
Rotary Encoder Module (KY-040)
Microphone Audio & Sound Detection Sensor Module (KY-037)
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