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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… -
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. -
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… -
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… -
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… -
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 -
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… -
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… -
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… -
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… -
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… -
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…