-
Vibration Switch – SW-520D
$0.50Light PacketA vibration sensor is a simple, low cost, way to detect vibration or tilt in a specific direction. Vibration causes a small metal ball to… -
-
-
4.5mm Electret Microphone
$0.95Light PacketThis incredibly tiny electret microphone measures just 4.5mm across and 2.75mm tall and can be used to monitor sound in the range of human hearing… -
6mm Electret Microphone
$0.95Light PacketThis incredibly tiny electret microphone measures 6mm across and 3mm tall and can be used to monitor sound in the range of human hearing. -
5mm Wired Electret Microphone
$0.95Light PacketThis incredibly tiny electret microphone is water resistant and can be used to monitor sounds in the range of human hearing. The mic measures 5… -
-
-
-
TMP36 Temperature Sensor
$2.95Light PacketThe TMP36 is an easy to use temperature sensor – an excellent choice for anyone getting started with sensors and microcontrollers! -
Hall Sensor – US1881LUA
$2.95Light PacketThe US1881LUA is a unipolar Hall-effect sensor IC, which is an electronic component used to detect and measure the presence of magnetic fields. These are… -
-
IR Sensor – 38KHz
$2.95Light PacketThis infrared sensor is tuned to 38KHz – perfect for receiving commands from TV remotes and most other infrared based remote controls. The sensor runs… -
PIR Motion Sensor – Basic
$3.50SaleThis simple PIR sensor is compatible with 3.3 or 5V logic and features an adjustable detection range and output delay, which keeps the output high… -
-
Ultrasonic Distance Transducer – HC-SR04
$3.95An ultrasonic sensor is an electronic device that measures distance or detects the presence of objects by emitting and receiving ultrasonic sound waves. This specific… -
ALS-PT19 Analog Light Sensor Breakout
$3.95Light PacketThe ALS-PT19 analog light sensor is a great way to measure light level in the human vision range. Power it 2.5V-5.5V and measure the analog… -
Pressure Sensor – MPS20N0040D
$3.95This atmospheric pressure sensor works by measuring the differential pressure between your input (the port on the top of the chip) and the atmospheric pressure… -
1 Wire Temperature Sensor – DS18B20
$4.95Light PacketThe DS18B20 is a very popular temperature sensor due to its simple wiring, wide temperature range, and accuracy across a wide temperature range. The sensor… -
DHT11 Temperature / Humidity Sensor
$4.95Light PacketThe DHT11 is a basic, low-cost, digital temperature and humidity sensor. Inside it has a capacitive humidity sensor and a thermistor to measure the surrounding… -
HB100 Doppler Radar Module
$5.00Light PacketSaleThe HB100 Doppler Radar module is a moving object detector – these are commonly found in automatic doors at grocery stores and shopping malls and… -
Magnetic Door Switch – Normally Open
$5.95Light PacketThis simple door switch is based on a magnet and a reed switch. The magnet and the reed switch are both encased in ABS plastic… -
Load Sensor – 50kg
$5.95Light PacketThis load sensor can measure up to 50kg / 110 lbs and is the same type commonly found in digital bathroom scales -
Ultrasonic Distance Transducer – HY-SRF05
$5.95Meet the HY-SRF05 – a longer range, more precise ultrasonic sensor. These sensors use a pulse of ultrasonic sound and listen for a response. Since… -
Magnetic Door Switch – Normally Closed
$5.95Light PacketThis simple door switch is based on a magnet and a reed switch. The magnet and the reed switch are both encased in ABS plastic… -
Float Switch – Right Angle
$5.95This simple sensor uses a reed switch and a magnet attached to a buoyant piece of plastic to determine if liquid is present at that… -
10K Precision Epoxy Thermistor
$6.25Light PacketSaleNeed to measure something damp? This epoxy-coated precision 1% 10K thermistor is an inexpensive way to measure temperature in weather or liquids. -
DS18B20 Digital Temperature Sensor
$6.95Light PacketThis DS18B20 Digital temperature sensor is a pre-wired version of the standard "1 Wire" temperature sensor. The sensor is encased in a weatherproof housing and… -
Float Switch
$6.95This simple sensor uses a reed switch and a magnet attached to a buoyant piece of plastic to determine if liquid is present at that… -
Mini PIR Motion Detector
$6.95Light PacketThis is the smallest PIR sensor we carry - perfect for detecting motion at a range of up to 3 meters with a 100 degree field… -
Round Force-Sensitive Resistor
$7.95Light PacketA force sensitive resistor (FSR) is a type of resistor that changes its resistance based on the amount of pressure or force applied to it.… -
MCP9808 High Accuracy Temperature Sensor
$7.95Light PacketWith a typical accuracy of ±0.25°C over the sensor's -40°C to +125°C range and a resolution of 0.0625°C the MXP9808 is extremely precise! The board… -
Thermocouple Type-K Steel Braid Insulated
$7.95Light PacketThermocouples are great for measuring the temperature in situations where a standard temperature probe would melt! While most standard temperature sensors will allow you to… -
SparkFun Soil Moisture Sensor
$8.95Light PacketThe SparkFun Soil Moisture Sensor is a simple device designed to measure the moisture content of soil. It uses a very basic resistive sensing principle,… -
Inductive Proximity Sensor – 4mm
$8.95Inductive proximity sensors are a great way to precisely detect when a metal object is at a given distance. Since this is a non-contact sensor,… -
Adafruit BH1750 Light Sensor – STEMMA QT / Qwiic
$8.95Light PacketThe Adafruit BH1750 breakout board is an easy to use light sensor able to provide 16-bit measurements. The board is Qwiic / STEMMA QT compatible and…