Sensors

Sensors & Detectors


digilog.pk stocks one of the largest selections of sensors and detectors available in Pakistan — temperature sensors, humidity sensors, motion detectors, ultrasonic distance sensors, gas sensors, current sensors, pressure sensors, soil moisture sensors, flex sensors, and dozens more. Every sensor listed is tested for compatibility with Arduino, ESP32, and Raspberry Pi, with community tutorials and wiring guides available for each.

Why Source Sensors from digilog.pk?

  • Breadboard-ready modules — most sensors come on breakout boards with signal conditioning and decoupling onboard
  • Arduino-tested — library names and example sketches available for every major sensor
  • Wide protocol coverage — I2C, SPI, UART, and analog output sensors all in stock
  • Pakistani projects focus — gas sensors for LPG detection, soil sensors for agriculture, current sensors for solar monitoring

Sensor Categories

  • Temperature & Humidity — DHT11, DHT22, BME280, DS18B20; for weather stations and climate control
  • Distance & Proximity — HC-SR04 ultrasonic, VL53L0X ToF, IR obstacle sensors
  • Motion & Presence — PIR sensors (HC-SR501), microwave radar (RCWL-0516)
  • Gas & Air quality — MQ-2 (LPG/smoke), MQ-135 (CO2/air), MQ-7 (CO), SGP30 (TVOC)
  • Light & Colour — LDR modules, BH1750 lux, TCS3200 colour, VEML6070 UV
  • Current & Voltage — ACS712 (5/20/30A), INA219 (I2C power monitor), ZMCT103C
  • Pressure & Altitude — BMP280, BMP388, MPX5700AP; for weather and altitude logging
  • Inertial (IMU) — MPU6050 6-DOF, MPU9250 9-DOF; for drones, robots, and stabilisers
  • Soil & Water — capacitive soil moisture, rain drop sensor, water level
  • Flex & Force — flex strips, FSR pressure sensors for wearables and robotics

Related Categories

Process sensor data with Arduino or ESP32 boards. Display readings on screens from Displays & Modules. Trigger actuators and relays based on sensor thresholds — see Relays & Switches. Power sensor nodes from Batteries & Chargers with deep sleep for long autonomy.

Common Applications

  • Weather station — BME280 + ESP32 + OLED display — see Displays & Modules
  • Smart irrigation — soil moisture + relay + pump control with Arduino
  • Gas leak alarm — MQ-2 + buzzer + GSM alert module
  • Drone flight controller — MPU6050 IMU + Arduino — see Robotics
  • Energy monitor — ACS712 + ESP32 for solar panel current logging — see Solar & Inverter

How to Choose

  1. Accuracy requirement — DHT11 ±2°C; DHT22 ±0.5°C; DS18B20 ±0.5°C with 12-bit resolution
  2. Interface — I2C for multi-sensor buses; analog for simplest code; UART for GPS and GSM
  3. Range — match sensor range to your measurement; HC-SR04 covers 2cm–4m
  4. Power budget — check sleep current if battery powered; PIR sensors can run on µA in standby

Learning Resources

Need modules to extend your sensor project? Browse Modules & Breakout Boards. For bulk sensor procurement for IoT product lines or university lab kits contact info@digilog.pk.
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Sw-420 Vibration Sensor - a blue cylindrical sensor, a blue potentiometer, a black IC, and a three-pin header on a blue circuit board. Sw-420 Vibration Sensor - module on a blue PCB with a cylindrical vibration switch, a blue potentiometer, an LM393 chip, and a three-pin header.
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Sw-420 Vibration Sensor

Sale priceRs 130
5V Laser Receiver Module High Level Laser Light Detected Sensor Module For Arduino Raspberry Pi - a small circuit board with a laser sensor, a red LED, a brown capacitor labeled 104, two resistors, and a header pin row. 5V Laser Receiver Module High Level Laser Light Detected Sensor Module For Arduino Raspberry Pi - small circuit board with a laser sensor, a red LED, a brown capacitor, two resistors, and a three-pin connector.
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5V Laser Receiver Module High Level Laser Light Detected Sensor Module For Arduino Raspberry Pi

Sale priceRs 160
Arduino Nano Sensor Shield Nano I/o Expansion Board Prototype Shield - a red circuit board featuring multiple pin headers, a power jack, and a reset button. Arduino Nano Sensor Shield Nano I/o Expansion Board Prototype Shield - a red circuit board with multiple pin headers, a power jack, and a capacitor.
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Arduino Nano Sensor Shield Nano I/o Expansion Board Prototype Shield

Sale priceRs 400
Original Finger Print Sensor R307 Optical Finger Print Scanner Reader Module - shown in black with an attached six-wire cable and white connector. Original Finger Print Sensor R307 Optical Finger Print Scanner Reader Module - a black optical scanner module with a multi-coloured ribbon cable, being tested by a finger.
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Original Finger Print Sensor R307 Optical Finger Print Scanner Reader Module

Sale priceRs 3,730
Rcwl 0516 Microwave Radar Sensor Module - a green rectangular circuit board with a black integrated circuit and five labeled pin headers: CDS, VIN, OUT, GND, 3V3. Rcwl 0516 Microwave Radar Sensor Module - a green rectangular circuit board with an integrated chip, surface-mount components, and six pin headers.
-28%
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Rcwl 0516 Microwave Radar Sensor Module

Regular price Rs 180 Sale priceRs 130
Reed Switch Sensor Reed Sensor Magneto Magnet Magnetic Switch Normally Close - a small, clear glass cylindrical component with two thin metal leads extending from each end, held against a palm. Reed Switch Sensor Reed Sensor Magneto Magnet Magnetic Switch Normally Close - a small, clear glass cylindrical component with two thin metal leads extending from opposite ends, isolated on a white background.
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Reed Switch Sensor Reed Sensor Magneto Magnet Magnetic Switch Normally Close

Sale priceRs 60
Arduino Sensor Kit 37 In 1 Sensors Kit For Arduino - a collection of various electronic sensor modules with pins, potentiometers, and components. Arduino Sensor Kit 37 In 1 Sensors Kit For Arduino - shown as a printed reference sheet displaying images and names of all 37 included sensor modules.
-23%
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Arduino Sensor Kit 37 In 1 Sensors Kit For Arduino

Regular price Rs 3,000 Sale priceRs 2,320
Arduino Sensor Shield V5 Expansion Board For Arduino - a blue rectangular circuit board with numerous pin headers, a reset button, and a blue terminal block. Arduino Sensor Shield V5 Expansion Board For Arduino - a blue circuit board with multiple pin headers, a reset button, and a blue screw terminal, mounted on an Arduino.
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Arduino Sensor Shield V5 Expansion Board For Arduino

Sale priceRs 360
Hw-596 / Gy-68 Arduino BMP180 Barometric Pressure Sensor Module - shown as a blue circuit board with a sensor and a separate four-pin header connector. Hw-596 / Gy-68 Arduino BMP180 Barometric Pressure Sensor Module - a blue rectangular circuit board with four pins and an Arduino logo beside it.
-38%
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Hw-596 / Gy-68 Arduino BMP180 Barometric Pressure Sensor Module

Regular price Rs 240 Sale priceRs 150
10k NTC Thermistor Thermal Resistor Temperature Sensor NTC-MF52AT - shown as a collection of small black, teardrop-shaped sensors with dual metal leads. 10k NTC Thermistor Thermal Resistor Temperature Sensor NTC-MF52AT - a small pile of black, bead-shaped sensors with two thin, silver metal leads.
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10k NTC Thermistor Thermal Resistor Temperature Sensor NTC-MF52AT

Sale priceRs 20
20A Range Current Sensor Module ACS712 - a blue circuit board, a two-pin screw terminal, an integrated circuit, and a three-pin header connector. 20A Range Current Sensor Module ACS712 - a blue PCB with a two-pin screw terminal block at one end and a three-pin header at the other.
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20A Range Current Sensor Module ACS712

Sale priceRs 330
Discontinued 2amp 220V AC Arduino 1 Channel TRIAC Module With Zero Crossing Sensor - shown as two green circuit boards with terminals, LEDs, and pins. Discontinued 2amp 220V AC Arduino 1 Channel TRIAC Module With Zero Crossing Sensor - green rectangular circuit board with a screw terminal and LEDs.
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Discontinued 2amp 220V AC Arduino 1 Channel TRIAC Module With Zero Crossing Sensor

Sale priceRs 710
TCRT5000 Reflective IR Sensor - a black plastic housing with a blue LED and a black infrared emitter, featuring four metal connection pins. TCRT5000 Reflective IR Sensor - shown with a black plastic housing, blue and black lenses, pinout diagrams, and a circuit schematic with a 10k resistor.
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TCRT5000 Reflective IR Sensor

Sale priceRs 60
Linear Hall Effect Sensor 49E OH49E SS49E Hall Element - a black, three-pin electronic component with the text "49E" printed on its face and pin labels listed to the left. Linear Hall Effect Sensor 49E OH49E SS49E Hall Element - a black three-pin electronic component with the text "49E 929BD" printed on its front face, shown against a textured background.
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Linear Hall Effect Sensor 49E OH49E SS49E Hall Element

Sale priceRs 40
Arduino Sound Detector Sound Sensor Arduino Mic Voice Module For Arduino Ky-038 Ky 038 KY038 - a blue PCB with a microphone, a potentiometer, an IC, and three output pins. Arduino Sound Detector Sound Sensor Arduino Mic Voice Module For Arduino Ky-038 Ky 038 KY038 - a blue circuit board, a silver microphone, an adjustable potentiometer, and three output pins.
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Arduino Sound Detector Sound Sensor Arduino Mic Voice Module For Arduino Ky-038 Ky 038 KY038

Sale priceRs 130
Arduino RPM Sensor Rotational Speed Measuring Sensor - a blue circuit board, a U-shaped black optical sensor, four output pins, and two LEDs. Arduino RPM Sensor Rotational Speed Measuring Sensor - a blue circuit board, a black U-shaped optical sensor, and four metal output pins.
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Arduino RPM Sensor Rotational Speed Measuring Sensor

Sale priceRs 110
INA219 Bi-direction DC Current Power Supply Sensor Module Gy-219 Module - two blue circuit boards, a green screw terminal, and a header pin strip with an Arduino. INA219 Bi-direction DC Current Power Supply Sensor Module Gy-219 Module - shown as a blue circuit board with a six-pin header and a two-pin screw terminal block.
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INA219 Bi-direction DC Current Power Supply Sensor Module Gy-219 Module

Sale priceRs 380
MQ5 Methane Lpg Liquid Propane Gas Sensor Module - a metallic sensor head mounted on a blue rectangular circuit board with four output pins. MQ5 Methane Lpg Liquid Propane Gas Sensor Module - a silver metal sensor head on a blue circuit board with four output pins and a blue potentiometer.
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MQ5 Methane Lpg Liquid Propane Gas Sensor Module

Sale priceRs 260
MQ9 Carbon Monoxide Methane And Lpg Gas Sensor Module - a blue circuit board with a cylindrical grey sensor, a blue potentiometer, and four output pins. MQ9 Carbon Monoxide Methane And Lpg Gas Sensor Module - a grey cylindrical sensor head on a blue circuit board with four metal output pins.
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MQ9 Carbon Monoxide Methane And Lpg Gas Sensor Module

Sale priceRs 260
5 Channel TCRT5000 IR Array Tracking Sensor Module - a blue circuit board with five IR sensors and a multi-colored jumper wire set with female connectors. 5 Channel TCRT5000 IR Array Tracking Sensor Module - a blue circuit board with five infrared sensors and seven connection pins labeled GND, 5V, and OUT1-5.
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5 Channel TCRT5000 IR Array Tracking Sensor Module

Sale priceRs 540
5A Range Current Sensor Module ACS712 - a blue rectangular circuit board with a green two-pin terminal block and three header pins. 5A Range Current Sensor Module ACS712 - a blue circuit board, a green screw terminal, and three output pins labeled OUT, GND, and VCC.
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5A Range Current Sensor Module ACS712

Sale priceRs 330
SCT013-000 Ct 100A Non-invasive AC Current Sensor - a blue split-core transformer with a black cable and printed text including 100A:50mA. SCT013-000 Ct 100A Non-invasive AC Current Sensor - shown open to reveal its blue plastic casing, internal magnetic core, and attached 3.5mm audio jack cable.
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SCT013-000 Ct 100A Non-invasive AC Current Sensor

Sale priceRs 1,470
Fc-33 10mm Arduino RPM Sensor Rotational Speed Measuring Sensor - a black U-shaped optical sensor module with three metal pins and two mounting holes on a printed circuit board. Fc-33 10mm Arduino RPM Sensor Rotational Speed Measuring Sensor - a black PCB module featuring a U-shaped infrared sensor, a small integrated circuit, and three gold-plated connector pins.
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Fc-33 10mm Arduino RPM Sensor Rotational Speed Measuring Sensor

Sale priceRs 190
DHT11 Temperature Humidity Sensor Module For Arduino With LED Light Indication - blue sensor block, a red LED, and three metal pins on a blue circuit board.
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DHT11 Temperature Humidity Sensor Module For Arduino With LED Light Indication

Sale priceRs 270
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