Sensors & Modules

SKU: SF-BOB-12009 | Brand: SparkFun

The SparkFun Bi-Directional Logic Level Converter safely translates signals between different voltage levels — stepping 5V down to 3.3V and 3.3V up to 5V on the same channel. It also works with 2.8V and 1.8V devices, ...

SKU: DF-DFR0251 | Brand: DFRobot

A relay is an electrically operated switch, which has a control system (also known as the input circuit) and the controlled system (also known as the output circuit), usually used in automatic control circuit. It i...

SKU: DF-KIT0021 | Brand: DFRobot

A waterproof DS18B20 digital temperature sensor kit with everything you need to connect to an Arduino. The stainless steel probe measures temperatures from -55°C to +125°C over a 1-Wire interface, requiring just one d...

SKU: DF-SEN0189 | Brand: DFRobot

The Gravity Analog Turbidity Sensor measures water clarity by detecting the level of suspended particles. It works by measuring light transmittance and scattering rate, which change with the amount of total suspended ...

SKU: DF-SEN0575 | Brand: DFRobot

This DFRobot rainfall sensor is a reliable and convenient tool for measuring rainfall.Based on the principle of tipping bucket rainfall, the rainfall sensor provides users with rainfall values in millimeters and syste...

SKU: DF-SEN0503 | Brand: DFRobot

An infrared break-beam sensor pair for simple, reliable motion detection. The emitter sends a beam of invisible IR light to the receiver — when an object passes between them and breaks the beam, the receiver outputs a...

SKU: SF-SEN-14709 | Brand: SparkFun

The AH1815 is an integrated Hall-Effect non-latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sen...

SKU: AF-1713 | Brand: Adafruit

Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use th...

SKU: DF-DFR0095 | Brand: DFRobot

An infrared transmitter is simply a Light Emitting Diode which generates IR light (invisible IR light)--light with a wavelength of between 1 mm and 750 nanometers, and some associated circuitry. In an infrared ...

SKU: AF-746 | Brand: Adafruit

The Adafruit Ultimate GPS Breakout (Version 3) is a high-performance GPS module built around the MTK3339 chipset. With 66 channels, -165 dBm tracking sensitivity, and up to 10 Hz position updates, it delivers accurate...

SKU: AF-4890 | Brand: Adafruit

Need to measure something with a very slim sensor? This precision 10K thermistor is an inexpensive way to measure temperature in a small gap, or taped to a flat surface, it's only 0.2mm wide!The resistance in 25°C is ...

SKU: SF-SEN-15901 | Brand: SparkFun

This Weather Meter Kit provides the three core sensors for a DIY weather station: an anemometer (wind speed), a wind vane (wind direction), and a rain gauge. All three sensors use passive magnetic reed switches rather...

SKU: AF-1766 | Brand: Adafruit

The "poor man's" accelerometer/motion sensor! These spring-vibration switches are high sensitivity non-directional vibration induced trigger switches. Inside is a very soft spring coiled around a long metal pin....

SKU: AF-1739 | Brand: Adafruit

This large enclosed piezo element (30 mm diameter) converts vibration to voltage and voltage to vibration, making it useful both as a buzzer for generating tones and as a sensor for detecting knocks and impacts. The e...

SKU: DF-SEN0142 | Brand: DFRobot

A compact breakout board for the MPU-6050, combining a 3-axis gyroscope and 3-axis accelerometer with an onboard Digital Motion Processor (DMP) on a single chip. The integrated DMP handles complex motion fusion algori...

SKU: EF-EF08203 | Brand: ElecFreaks

The Smart Science IoT Kit from ElecFreaks is a comprehensive sensor and IoT learning kit built around the IoT:bit breakout board for micro:bit. It combines environmental sensors with WiFi connectivity, allowing studen...

SKU: DF-SEN0236 | Brand: DFRobot

BME280 is an environmental sensor that integrates onboard temperature sensor, humidity sensor and barometer. The sensor is of high precision, multiple functions, and small size etc. It provides both SPI and I2C in...

SKU: AF-1063 | Brand: Adafruit

A well-designed electret microphone amplifier breakout built around the Maxim MAX4466 op-amp, specifically engineered for microphone amplification with excellent power supply noise rejection. The board comes fully ass...

SKU: DF-SEN0244 | Brand: DFRobot

The Gravity Analog TDS Sensor is an Arduino-compatible kit for measuring Total Dissolved Solids (TDS) in water. TDS indicates how many milligrams of soluble solids are dissolved per litre — the higher the value, the l...

SKU: AF-2831 | Brand: Adafruit

This Photo Transistor Light Sensor is a simple sensor that detects ambient light. It's kind of the opposite of an LED - when light hits the little chip inside, it induces current to flow from the long pin...