Sensors

The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and ...

The TMP36 is a low voltage, precision centigrade temperature sensor. It provides a voltage output that is linearly proportional to the Celsius t...

This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). ...

This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface. The DS18B20 prov...

Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems including remote contr...

This is a joystick very similar to the 'analog' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simply two potentiometer...

The LM335A is a very easy-to-use analog temperature sensor. The LM335A works like a Zener diode with a breakdown voltage proportional to absolut...

This non-invasive current sensor (also known as a "split core current transformer") can be clamped around the supply line of an electrical load to...

This is a 12-step rotary encoder with a nice 'clicking' feel. It's breadboard friendly, and has a pretty handy select switch (by pushing in on the ...

Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contri...

Rotary encoders are used similarly to potentiometers. They're different from potentiometers in that an encoder has full rotation without limits....

Simple breakout board for the MQ - 3, MQ - 4, MQ - 6 and MQ - 7 gas sensors. All you need is VCC at 5V, GND, and a resistor to an ADC, that is it....

This is a breakout board for Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers it as an analog ou...

This is a resistive analog joystick, very similar to those found on the PSP1000. These compact joysticks are different in that they have a very ...

Breakout board for the 3 axis ADXL335 from Analog Devices. This is the latest in a long, proven line of analog sensors - the holy grail of acceler...

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivit...

This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in...

4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! Features: ABS plastic and solid alloy construction ...

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO concentrations an...

This new version adds 2 standoff holes as well as an extra decoupling capacitor. The ADXL345 is a small, thin, low power, 3-axis accelerometer ...

This is a 3-terminal microswitch two pack, each equipped with a 20mm offset lever actuator. These switches have a great 'clicky' sound to them with...

The TSL235R light-to-frequency converter outputs a square wave (50% duty cycle) with frequency directly proportional to light intensity (irradi...

We've been using and selling Analog Devices' ADXL accelerometers for a good while now, and now we've found another great part in the series! The A...

Sharp's GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are di...