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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…