MH-Z19B CO₂ Sensor

JSN-SR04T Waterproof Ultrasonic Sensor

Weatherproof probe for tanks and outdoors.

KSh 800

VL53L0X Time-of-Flight Distance Sensor

Laser distance sensor up to 2 m over I2C.

KSh 900

DHT11 Temperature & Humidity Sensor

Digital temperature and humidity.

KSh 150

DHT22 (AM2302) Temperature & Humidity Sensor

Accurate, wide-range DHT upgrade.

KSh 600

DS18B20 Waterproof Temperature Probe

Stainless 1-Wire probe for liquids and soil.

KSh 400

BME280 Temperature, Humidity & Pressure Sensor

Three environmental readings over I2C.

KSh 800

BMP280 Pressure & Temperature Sensor

Barometric pressure and altitude over I2C.

KSh 450

MAX6675 K-Type Thermocouple Module

High-temperature sensing up to 1024 °C.

KSh 900

per Kit

HC-SR501 PIR Motion Sensor

Detects movement within about 7 m.

KSh 250

Capacitive Soil Moisture Sensor

Corrosion-resistant soil probe.

KSh 300

LDR Light Sensor Module

LDR with comparator and threshold dial.

KSh 200

Projects to Explore

All projects →

Electronics Projects

Automatic Plant Watering System

Water plants only when the soil is dry, using a moisture sensor, relay and small pump.

Electronics Projects

Ultrasonic Distance Meter

Measure distance with an HC-SR04 and show it on a 16×2 LCD.

Beginner Projects

555 Timer LED Flasher

A blinking light with no code — just a 555, resistors and a capacitor.

Electronics Projects

RFID Door Lock

Open a latch with a servo when an authorised card is scanned.

Robotics Projects

Obstacle-Avoiding Robot Car

A two-wheel robot that drives forward and turns away from obstacles.

IoT Projects

WiFi Home Automation Switch

Switch four appliances from a phone or browser using an ESP32.