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Showing 41-54 of 54 products · 6 unavailable products hidden
Flex Sensor 4.5
A simple flex sensor 4.5" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Glove. I love the Nintendo Power Glove. It’s so bad! The resistance of the flex se...
Octopus PM2.5 module
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 of detecting particles as small as 0.3 µm in diameter. Part of the Octopus elec...
Alcohol Gas Sensor MQ-3
The MQ-3 is a semiconductor gas sensor that detects alcohol vapour at concentrations from 0.04 mg/L to 4 mg/L — a range suitable for building a breathalyser. It provides a simple analog voltage output that requires only one analog input pin from your microcontroller. Key Features Alcohol Detec...
Gravity: 4-Digital LED Segment Display Module (Green)
The Gravity 4-Digital LED Segment Display Module features a bright green 7-segment display with four digits, perfect for showing numbers, time, sensor readings, and other data in your projects. It communicates over I2C for simple two-wire connectivity with Arduino, Raspberry Pi, and other microco...
ESP32-C6-DevKitM-1 Development Board (4 MB SPI Flash)
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The ESP32-C6-DevKitM-1 is an entry-level development board built around the ESP32-C6-MINI-1 module, featuring a RISC-V 32-bit single-core processor running at up to 160 MHz. It integrates Wi-Fi 6 (2.4 GHz), Bluetooth 5 (LE), Zigbee 3.0, and Thread 1.3 — making it one of the most connectivity-rich...
Octopus MG811 CO2 Gas Sensor
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 the output voltage would be. The users can read the CO2 value easily after checkin...
Carbon Monoxide Flammable Gas Sensor MQ-9
This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 1,000 ppm and combustible gas from 100 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller.
F1031V Mass Air Flow Sensor
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 temperature compensation for measured data. Meanwhile, the sensor has liner analog vol...
Short Flex Sensor
This sensor can detect flexing or bending in one direction. They were popularized by being used in the Nintendo PowerGlove as a gaming interface.These sensors are easy to use, they are basically resistors that change value based on how much their flexed. If they're unflexed, the resistance is ...
MicroMod STM32F405 Processor Board
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This compact MicroMod processor board adds an STM32F405 to a compatible MicroMod Carrier Board, giving your project an ARM® Cortex®-M4 32-bit RISC core in a small, swappable M.2 module.The bevelled edge connector keys into the MicroMod M.2 socket and is secured with the screw supplied with MicroM...
Gravity: IIC Ozone Sensor (0-10ppm)
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 I2C through DFRobot's Gravity 4-pin interface. Compatible with Arduino, ESP32,...
ELECFREAKS PlanetX CO2 Sensor
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The gas sensor is an essential sensor for environmental detection. The ELECFREAKS PlanetX CO2 Sensor is designed to detect the concentration of CO2 with high sensitivity. The higher the concentration of CO2 is, the smaller the output voltage value will be. At the same time, it can eliminate the i...
Gravity: Arduino CO2 Gas Sensor
The Gravity CO2 Gas Sensor uses an MG-811 electrochemical sensing element to detect carbon dioxide concentration in the air. The output voltage decreases as CO2 concentration increases, and an onboard potentiometer lets you set a threshold for a digital on/off signal output. An onboard heating c...
Alcohol Gas Sensor - MQ-3
The MQ-3 is an alcohol gas sensor suitable for detecting alcohol concentration in the air, similar to a breathalyser. It provides an analog resistive output based on alcohol concentration, with high sensitivity and fast response time. The drive circuit is simple — just one resistor is needed, and...
