Sensors
digilog.pk carries a wide selection of electronic sensors compatible with Arduino, ESP32, and Raspberry Pi — covering temperature, humidity, motion, gas, current, pressure, light, soil, and inertial measurement. These ready-to-use breakout modules let you add sensing capability to any project in minutes, with standard I2C, SPI, UART, or analog output interfaces and breadboard-friendly 2.54mm headers. Sensor Categories Temperature & Humidity — DHT11, DHT22, BME280, AHT20, DS18B20 waterproof probe Distance & Proximity — HC-SR04 ultrasonic (2cm–4m), VL53L0X ToF (up to 2m), IR obstacle sensor Motion & Presence — PIR HC-SR501, RCWL-0516 microwave radar, vibration SW-420 Gas & Air Quality — MQ-2, MQ-5, MQ-7, MQ-135, SGP30 TVOC, CCS811 Light & Colour — BH1750, TSL2561, TCS3200 colour sensor, LDR module Current & Power — ACS712 (5A/20A/30A), INA219 I2C, ZMCT103C split-core CT Pressure & Altitude — BMP280, BMP388, MS5611 IMU (Inertial) — MPU6050 6-DOF, MPU9250 9-DOF, ICM-20948 Soil & Water — capacitive soil moisture, rain sensor, water level float switch Related Categories Process all sensor data with Arduino or ESP32. Show readings on screens from Displays & Modules. Trigger relay outputs based on thresholds — see Relays & Switches. For the full sensor catalogue including industrial sensors see Sensors & Detectors. Common Applications Weather monitoring — BME280 + ESP32 + OLED display, data sent to cloud Smart irrigation — soil moisture sensor + relay + pump automation Security system — PIR sensor + buzzer + GSM alert — see Modules Energy monitoring — ACS712 + ESP32 for electricity consumption logging Drone stabilisation — MPU6050 IMU for flight controller PID loop How to Choose Interface — I2C for multiple sensors on one bus; analog for simplest code; digital for threshold output Accuracy — DHT22 (±0.5°C) vs DHT11 (±2°C); BME280 (±0.5°C + pressure + humidity) Range — match sensor range to your application; HC-SR04 up to 4m; VL53L0X up to 2m Power — check sleep current for battery-powered IoT; PIR can run on µA in standby Learning Resources DHT11/DHT22 Complete Guide — Random Nerd Tutorials BME280 Arduino Tutorial — Last Minute Engineers — temperature, pressure, humidity with I2C HC-SR04 Ultrasonic Distance Sensor — wiring and timing diagram MPU6050 Accelerometer Tutorial — 6-DOF IMU with Arduino Need modules to expand your sensor project? Browse Modules & Breakout Boards. For bulk sensor procurement for IoT product lines contact info@digilog.pk.
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