All Products
Showing 21-40 of 45 products · 15 unavailable products hidden
Gravity: Arduino Alcohol Sensor (MQ3)
An analogue alcohol gas sensor based on the MQ-3 probe, designed for use with Arduino and other microcontrollers. The sensor outputs a voltage proportional to the concentration of alcohol vapour in the surrounding air, making it suitable for breathalyser-style projects, air quality monitoring, an...
SparkFun OBD-II UART
This board allows you to interface with your car’s OBD-II bus. It provides you a serial interface using the ELM327 command set and supports all major OBD-II standards such as CAN and JBUS. The board also provides a footprint which mates directly to our FTDI Basic or a Bluetooth Mate. The DB9 conn...
Quad Alphanumeric Display - 0.54 Digits w/ I2C Backpack - Blue
A four-digit 0.54-inch blue alphanumeric LED display with an I2C backpack. Each digit has 14 segments, allowing it to display letters, numbers, and basic symbols. The bright blue LEDs on a black surface are readable from up to 7 metres (23 feet) away. The I2C backpack simplifies wiring to just t...
Hook Test Lead Set - Multicoloured (5 Pack)
·
Make cleaner, more reliable test connections on the bench with this set of five hook test leads. They are handy for electrical testing and prototyping where a secure, hands-free contact point can make measurements much easier.Each lead has spring-loaded hook clips on both ends, letting you grab o...
Adafruit CAN Bus FeatherWing - MCP2515
The Adafruit CAN Bus FeatherWing adds CAN bus networking to any Feather board. It uses the MCP2515 CAN controller and TJA1051/3 transceiver to send and receive messages in standard or extended format at up to 1 Mbps over a two-wire differential bus. Only an SPI port and two pins (chip-select and ...
Pirate Audio: Headphone Amp for Raspberry Pi
The ultimate hackable headphone amp for your desk! Pirate Audio Headphone Amp for Raspberry Pi has an I2S DAC, headphone amplifier, high-res display, and playback control buttons.Build your own home-brew iPod Nano with Pirate Audio Headphone Amp! It's an all-in-one s...
Pirate Audio Speaker for Raspberry Pi
Pump out some mini beats with Pirate Audio Speaker! This diminutive sound system has an I2S DAC, amp, mini mono speaker, high-res display, and playback control buttons. Pirate Audio Speaker is perfect for making a Lilliputian radio, sound effect player, or even as a teeny-weeny games console! ...
2x7A DC Motor Driver
An ultra-compact dual DC motor driver built around a robust H-bridge design with 7 A continuous current per channel and a 50 A peak rating. Opto-coupler isolation on all control signals protects your microcontroller from motor-induced reverse currents, while built-in UVLO (Under-Voltage Latch-Out...
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...
Bus Pirate Cable
This is an interface cable for the Bus Pirate, designed to connect to its 2x5 I/O header. The cable’s connector is composed of two rows of five 0.1" spaced pins; it’s also polarized, as is the mating connector on-board the Bus Pirate, so you can only connect the cable in one direction. The lea...
38W DC-DC Converter 7.5V@5A
A waterproof DC-DC step-down converter that takes 11–35V DC input (compatible with 12V and 24V systems) and outputs a regulated 7.5V at up to 5A (38W). The sealed, shockproof enclosure and 96% efficiency make it well suited for robotics and outdoor applications. Key Features Wide Input Range –...
Gravity: Analog pH Sensor/Meter Kit V2
The Gravity Analog pH Sensor/Meter Kit V2 is designed to measure the pH of liquids, indicating acidity or alkalinity on a scale of 0–14. It's commonly used in aquaponics, aquaculture, hydroponics, and environmental water testing. The kit includes a laboratory-grade pH probe, a signal conversion b...
5V SPST DIL Reed Relay
This small, lightweight 5V SPST reed relay is designed for PCB mounting in a standard DIL (Dual In-Line) package. It switches up to 1A DC with a low 0.1W power consumption, making it suitable for low-power switching applications in sensor circuits, security systems, and instrumentation. Key Feat...
Metal DC Geared Motor - 12V 50RPM 50kg.cm
A high-torque 12V DC geared motor with a 100:1 metal gear reducer. Built with 100% copper coils and a metal gearbox for durability, this compact motor delivers up to 50 kg·cm of stall torque at 50 RPM — ideal for robotics, automation, and projects requiring strong, controlled rotation. Key Featu...
45W DC-DC Converter 9V@5A
A waterproof DC-DC step-down (buck) converter that accepts 16–36V DC input and outputs a stable 9V at up to 5A (45W). The sealed, shockproof enclosure and 96% efficiency make it well suited for robotics, vehicles, and outdoor installations where reliable voltage regulation is needed. Key Feature...
Gravity: Analog Electrical Conductivity Sensor / Meter(K=10)
Gravity: Analog Electrical Conductivity Sensor / Meter(K=10) OverviewDFRobot Gravity: analog electrical conductivity sensor/meter(K=10) is particularly used to measure the high electrical conductivity liquid, such as seawater, concentrated brine, etc. The measurement range is up to 100ms/cm. This...
Gravity: Arduino pH Sensor / Meter Kit
You may check the latest version - Gravity: Analog pH Sensor/Meter Kit V2 to meet your requirements and Liquid Sensor Selection Guide to get better familiar with our liquid sensor series.Need to measure water quality and other parameters but haven't got any low-cost pH meter? Find it difficult t...
Adafruit USB-C Power Delivery Dummy Breakout - I2C or Fixed
·
This breakout is built around the HUSB238 USB PD sink chip, making it easy to negotiate power from a USB Type-C Power Delivery source without soldering tiny resistors. It plugs into a USB-C cable and uses the CC lines to request a suitable PD voltage.You can configure it with solder jumpers for f...
SEGGER J-Link EDU Mini JTAG/SWD Debugger
·
A compact EDU version of SEGGER’s J-Link debug probe, this little unit gives you direct JTAG/SWD access to Cortex-M based targets for programming and debugging ARM microcontrollers.Instead of relying on printf statements and LEDs, you can set breakpoints, inspect memory and registers on a live sy...
Brushless DC Motor with Encoder 12V 159RPM
INTRODUCTION This is a motor revolution: a new DC brushless motor with built-in motor driver. It can be conncected to Arduino directly without external motor driver. Whatsmore, the motor comes with directional control, PWM speed control and speed feedback output, which make this motor t...
