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Gravity: Arduino Heart Rate Monitor Sensor (ECG)
The DFRobot Gravity Heart Rate Monitor Sensor measures the electrical activity of the heart and outputs it as an analog signal. Built around the AD8232 chip, it filters and amplifies the ECG signal to produce a clean waveform from the PR and QT intervals — viewable in real time using the Arduino ...
Gravity: Voice Recorder Module
The Gravity Voice Recorder Module is a compact board with integrated record and playback functions, based on the ISD1820 chip. Simply press the record button, speak into the onboard microphone, and release to save up to 10 seconds of audio. Playback is instant via the onboard button or by trigger...
Gravity: Photoelectric Arduino Water Liquid Level Sensor
A photoelectric liquid level sensor that uses optical principles to detect the presence or absence of liquid. With no moving parts, it requires minimal calibration and offers high sensitivity and long service life. The corrosion-resistant polycarbonate probe handles temperatures from −25 °C to 10...
Arduino Stackable Header Kit
A set of stackable headers designed for the Arduino Uno, Arduino Pro, and other boards using the classic (pre-R3) pin layout. These female headers sit tall enough to clear the USB-B connector, making them ideal for stacking multiple shields. The kit includes two 8-pin and two 6-pin headers — enou...
2mm 10pin XBee Socket - SMD
This 2 mm pitch 10-pin SMD socket mates with XBee radio modules from Digi. The surface-mount design is ideal for custom PCBs and production boards where through-hole mounting isn't suitable. You'll need two of these sockets to connect to all 20 pins on an XBee module. Key Features 2 mm Pitch ...
Gravity: Starter Kit for Arduino
The Gravity Starter Kit for Arduino is a plug-and-play electronics toolkit designed for beginners and makers getting started with the Arduino platform. It includes a DFRduino UNO R3 microcontroller (fully compatible with Arduino UNO) along with 12 popular sensors and components from DFRobot's Gra...
Bluno Beetle Shield
INTRODUCTION The Bluno Beetle Shield expands the Beetle's single analog and digital I/O pins to the 3 pin "gravity" interface, giving more power and ground connections and making it easier to attach gravity interface modules. It also includes a convenient external power supply and a 5-8v swi...
Arduino Motor Shield R3
INTRODUCTION The Arduino Motor Shield is based on L298 (a dual full-bridge driver designed to drive inductive loads such as relays, solenoids, DC and stepping motors). It helps you drive two DC motors with Arduino board as well as control the speed and direction of the ...
Gravity: Arduino Analog Capacitive Soil Moisture Sensor- Corrosion Resistant
The Gravity Analogue Capacitive Soil Moisture Sensor measures soil moisture using capacitive sensing rather than resistive probes, providing significantly better corrosion resistance and longer service life. Made from corrosion-resistant material for reliable long-term use in soil. An onboard vo...
Arduino Wireless Proto Shield
INTRODUCTION The Arduino Proto shield allows an Arduino board to communicate wireless using a wireless module. It is based on the Xbee modules from Digi, but can use any module with the same footprint. The module can communicate up to 100 feet indoors or 300 feet outdoors (with line-of...
![Budget Pack for Arduino [Metro Uno w/328]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCl7FJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--b795e35bf693c13b9699b350b898b0c2fb9621ad/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_dcc52d69-5a44-4f13-b279-67fde4b620ca.jpg)
Budget Pack for Arduino [Metro Uno w/328]
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This budget pack is an optimized collection of parts and pieces to experiment with Adafruit Metro 328 and the Arduino IDE at home, school or work. Great for students and those that want to get their feet wet, no soldering required!Includes the Adafruit Metro 328 with thru-hole heade...
Arduino Uno R3 (Atmega328 - assembled)
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We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM galore - just enough for most simple projects. When we need to go small, we use a Metro Mini or a Trinket M0,...
Adafruit Pocket Screwdriver - Black
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The Adafruit Pocket Screwdriver is a compact dual-ended tool that clips onto your shirt or pant pocket so you always have a screwdriver on hand. The Phillips head fits 3.5 mm terminal blocks commonly found on electronics breakout boards, while the slotted head works with the nylon screws included...
W5500 Ethernet with POE IOT Board (Arduino Compatible)
W5500 Ethernet with POE Mainboard is a new member in our Ethernet family. It is based on the ATmega32u4 and W5500 Ethernet chip, which is quite useful to most IOT projects. W5500 chip is a Hardwired TCP/IP embedded Ethernet chip that provides easier Internet connection to embedded systems. It en...
Arduino Pro 328 - 3.3V/8MHz
It’s blue! It’s skinny! It’s the Arduino Pro! SparkFun’s minimal design approach to Arduino. This is a 3.3V Arduino running the 8MHz bootloader. Because the system voltage for this board is lower than other Arduino development boards, it may not be compatible with many Arduino shields which we...
Gravity: Arduino Shield for Raspberry Pi B+/2B/3B/3B+/4B
The Gravity Arduino Shield for Raspberry Pi brings Arduino-compatible I/O to your Raspberry Pi B+, 2B, 3B, 3B+, or 4B. Built around the ATmega32u4 (Arduino Leonardo), it sits on top of your Pi and gives you access to all standard Arduino shields and sensors alongside the Pi's own GPIO, I2C, SPI, ...
![CR1220 12mm Diameter - 3V Lithium Coin Cell Battery [CR1220]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCD6VJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--b7ce1d749459169edc8762606446f2241cba1120/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_b65eedbc-76bf-4dfe-bc7f-ae33a6146b9d.jpg)
CR1220 12mm Diameter - 3V Lithium Coin Cell Battery [CR1220]
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These are the highest quality & capacity batteries, the same as shipped with the iCufflinks, iNecklace, Datalogging and GPS Shields, GPS HAT, etc. One battery per order (you'll want one battery per cufflink or pendant.)Brand may vary but all battery brands are verified to have the same nomin...
Arduino Mega 2560 R3
The Arduino Mega 2560 R3 is a microcontroller board based on the ATmega2560, offering significantly more I/O than standard Arduino boards. With 54 digital I/O pins, 16 analog inputs, and 4 hardware serial ports, it's the go-to board for complex projects that demand extensive connectivity. The R3...
Bluno Nano - An Arduino Nano with Bluetooth 4.0
The Bluno Nano combines an Arduino Nano-compatible ATmega328 microcontroller with an integrated TI CC2540 Bluetooth 4.0 (BLE) module in a compact 53 × 19 mm form factor. It enables wireless communication, wireless programming, and Bluetooth HID functionality — ideal for BLE-enabled wearables and ...
0.100 (2.54 mm) Female Header: 2x20-Pin, Straight
The 0.100″ (2.54 mm) 2×20-Pin Straight Female Header is a double-row, 40-pin socket strip designed to mate with standard 0.1″ pitch male headers. This is the standard GPIO header size used on Raspberry Pi and other single-board computers, making it an essential connector for SBC projects. The 2×...
