Sensors & Modules

SKU: EF-EF04100 | Brand: ElecFreaks

Octopus MG811 CO2 Gas Sensor is a CO2 electronic brick in our OCTOPUS series, the basic design for the outlook, PCB fixing holes and connections are the same with them.The higher the CO2 concentration is, the lower th...

SKU: EF-EF04087 | Brand: ElecFreaks

Octopus BME280 Pressure Sensor is an electric brick, which has integrated temperature sensor, air pressure sensor and humidity sensor onboard. We can use it to measure humidity, temperature and air pressure, or eve...

SKU: EF-EF04090 | Brand: ElecFreaks

The Octopus PM2.5 module from ElecFreaks is a laser-based particulate matter sensor built around the ZH03B dust sensor. It measures PM2.5 concentration in the air with high consistency and real-time response, capable ...

SKU: EF-EF04085 | Brand: ElecFreaks

Octopus analog rotation brick is a 10K potentiometer module. Rotating the knob to change its resistance can realize voltage division while providing analog signals to the analog input IO ports of micro-controller. ...

SKU: EF-EF04078 | Brand: ElecFreaks

Octopus Gesture Sensor is PAJ7620U2 that integrates gesture recognition function with general I2C interface into a single chip. It can recognize 9 gestures including move up, move down, move left, move right, et...

SKU: DF-SEN0337 | Brand: DFRobot

TOF Sense is a TOF-based (Time of Flight) laser ranging sensor that offers 1cm-5m detection range, 1mm resolution, ± 1.5cm error, and 10Hz data update frequency. The sensor supports 15 ° ~ 27 ° adjustable FOV, UART an...

SKU: DF-SEN0347 | Brand: DFRobot

This infrared photoelectric switch consists of a transmitter and receiver pair that detects objects at distances up to 1.5 m with a response time under 1 ms. The infrared beam provides stable detection regardless of a...

SKU: EF-EF04070 | Brand: ElecFreaks

The Octopus LM35 Analog Temperature Brick is a plug-and-play temperature sensor module based on the TI LM35D precision centigrade temperature sensor. The LM35 outputs a voltage linearly proportional to temperature (10...

SKU: EF-EF04075 | Brand: ElecFreaks

OCTOPUS Magnetic Switch is a kind of electric brick carrying magnetic switch and compatible with OCTOPUS series. It mainly consists of WBSF12 dry reed switch. WBSF12 is a dry reed tube with frequently open contact ...

SKU: DF-SEN0360 | Brand: DFRobot

F1031V Mass Air Flow Sensor adopts thermodynamic principle to detect flow rate of gas medium in the flow channel, with high precision and good repeatability. It comes with built-in temperature sensor to provide temper...

SKU: EF-EF04064 | Brand: ElecFreaks

Octopus Electronic Bricks, you can use them build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect Arduino/Freaduino compatible boards easily with various digi...

SKU: DF-SEN0321 | Brand: DFRobot

The Gravity IIC Ozone Sensor measures ozone (O₃) concentration from 0 to 10 ppm with 10 ppb resolution using an electrochemical sensing element. Factory-calibrated for accurate readings out of the box, it connects via...

SKU: DF-SEN0310 | Brand: DFRobot

The URM12 is a long-range ultrasonic distance sensor from DFRobot, designed for distance measurement and obstacle avoidance applications. With a detection range of 70–1500 cm, RS485 communication interface, and standa...

SKU: EC-CDD13497DD | Brand: Elecrow

devDuino Sensor Node v4 is a compact Arduino-compatible microcontroller and is designed to build wireless networks based on transceiver nRF24L01+. You can easily connect other sensors or actuators to this platform,...

SKU: AF-4686 | Brand: Adafruit

The Adafruit TMP235 is a plug-and-play analog temperature sensor with a 3-pin JST PH (STEMMA) connector. Unlike I2C sensors, this one outputs a simple analog voltage proportional to temperature — just connect it to an...

SKU: AF-4648 | Brand: Adafruit

The Adafruit PCF8591 Quad 8-bit ADC + 8-bit DAC combines four analogue input channels and one analogue output channel in a single I2C breakout. Measure voltages from potentiometers, sensors, or other analogue sources ...

SKU: AF-4627 | Brand: Adafruit

The Adafruit H3LIS331 is an ultra-high-range triple-axis accelerometer capable of measuring up to ±400g across all three axes. Part of the ST LIS331 family, it's designed for applications where standard ±16g accelerom...

SKU: AF-4626 | Brand: Adafruit

The Adafruit LIS331 Accelerometer Breakout features the LIS331HH from ST — a triple-axis accelerometer capable of measuring up to ±24g, well beyond the ±16g limit of most standard accelerometers. It's ideal for high-i...

SKU: AF-4653 | Brand: Adafruit

The ESP32-S2-WROVER is a Wi-Fi module from Espressif built around the ESP32-S2 SoC — a single-core 240 MHz Xtensa LX7 processor with native USB support, 4 MB flash, and 2 MB PSRAM. It provides 2.4 GHz 802.11b/g/n Wi-F...

SKU: AF-4634 | Brand: Adafruit

Add motion, direction and orientation sensing to your project with this compact STEMMA QT version of the LSM9DS1 9-DOF sensor from Adafruit. The LSM9DS1 combines a 3-axis accelerometer, 3-axis magnetometer and 3-axis ...