All Products

SKU: DF-DFR0296

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 ...

SKU: DF-DFR0267

The Bluno integrates a TI CC2540 Bluetooth 4.0 (BLE) chip with an Arduino Uno-compatible development board, enabling wireless communication for your Arduino projects. It supports wireless programming via BLE, Bluetooth HID, AT command configuration, and transparent serial communication. Fully co...

SKU: RB-BLESHIELD

The BLE Shield adds Bluetooth Low Energy (BLE) connectivity to your Arduino, letting it communicate wirelessly with smartphones, tablets, and other BLE central devices. Compatible with Arduino Uno, Mega 2560, Leonardo, Due, and other 3.3V/5V-compatible boards. Use it to build mobile-controlled A...

SKU: DF-DFR0144

This 4-channel relay shield from DFRobot plugs directly onto an Arduino Uno or compatible board, providing opto-isolated relay switching for controlling high-power devices such as lamps, water pumps, and motors. Each relay has its own test button and LED status indicator. The shield features a b...

SKU: AF-715

The Adafruit I²C Controlled + Keypad Shield Kit lets you drive a 16×2 character LCD and read 5 navigation buttons using only two I²C pins on your Arduino. This frees up the 9+ digital pins that a standard LCD connection would require, while still allowing other I²C devices to share the bus. The ...

SKU: SF-DEV-21438

The MicroMod STM32WB5MMG Processor expands on SparkFun's MicroMod ST product line with a powerful combination of computing and wireless capabilities on one M.2-connectable processor. The STM32WB5MMG from STMicroelectronics™ is an ultra-low power microcontroller that combines a pair of Arm® Cortex...

SKU: EF-EF03010

An 8-channel relay module compatible with Arduino, Raspberry Pi, and other MCU boards (PIC, ARM, MSP430). Each relay channel has an LED indicator showing its output state, making it easy to monitor which relays are active. Key Features 8-Channel Relay – Independent control of 8 circuits LED I...

SKU: LB-LR0002

The 5V 1-Channel Relay Board Module provides a simple way to switch high-voltage loads from your Arduino, Raspberry Pi, or other microcontroller project. Controlled via a 5–12V TTL signal, this relay can switch loads up to 250V AC, making it suitable for controlling lights, fans, pumps, and other...

SKU: DF-DFR1107 · MPN: DFR1107

The Arduino GIGA Display Shield is a touchscreen add-on designed for the Arduino GIGA R1 WiFi. Featuring a 3.97" TFT display with 480×800 resolution and 5-point capacitive touch, it makes it easy to deploy graphic interfaces for dashboards, handheld devices, and interactive projects. Beyond the ...

SKU: AF-3130

The Adafruit 0.54" Quad Alphanumeric FeatherWing Display in red adds a bright, 4-character 14-segment LED display to any Feather board. Each character can display letters, numbers, and symbols, making it ideal for clocks, status indicators, sensor readouts, and more. Driven by the HT16K33 I2C ma...

SKU: AF-3044

Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather M0 WiFi w/ATWINC1500 - our take on an 'all-in-one' Arduino-compatible + hi...

SKU: AF-3128

The Adafruit 0.54" Quad Alphanumeric FeatherWing Display in blue adds a bright, 4-character 14-segment LED display to any Feather board. Each character can display letters, numbers, and symbols, making it ideal for clocks, status indicators, sensor readouts, and more. Driven by the HT16K33 I2C m...

SKU: DF-DFR0108

The Arduino Mega 2560 Rev3 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 ...

SKU: YH-6000300700

The Yahboom Uno Sensor Expansion Board is designed to simplify connecting sensors and modules to your Arduino Uno. It plugs directly into the Uno's headers and breaks out all pins to convenient PH2.0 anti-reverse sockets, greatly reducing the chance of incorrect wiring while keeping your setup cl...

SKU: EC-RPA32311R

A high-precision real-time clock (RTC) module based on the DS3231 IC, designed to plug directly into a Raspberry Pi B+ (and compatible with Arduino). The DS3231 maintains accurate timekeeping with ±5 ppm accuracy (±0.432 seconds per day) across −40 °C to +85 °C, and includes a coin cell battery b...

SKU: EF-EF03003

The 2-Channel 5V Relay Module allows you to control two high-power devices independently using 5V TTL signals from a microcontroller such as Arduino, PIC, ARM, or MSP430. Each channel features a relay with screw terminals and an LED indicator showing the relay state. The compact modular design m...

SKU: EC-ARS3421U

A USB Host shield for Arduino that adds USB 2.0 full-speed and low-speed host functionality to your project. Allows your Arduino to communicate with USB devices such as keyboards, mice, game controllers, USB hubs, and more. Communicates via SPI and is compatible with Arduino Uno, Duemilanove, Meg...

SKU: SF-DEV-11061

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...

SKU: PR-PIM146

The Display-O-Tron Breakout pairs a high-contrast 16 × 3 character LCD with an RGB backlight on a compact breakout board. It runs from either 3.3 V or 5 V and supports SPI, 4-bit, and 8-bit interfaces via the ST7036 controller — making it compatible with Raspberry Pi, Arduino, and most other micr...

SKU: YH-6000300577

This expansion board is specially designed for the Uno board and can be plugged directly into the Uno board without a cable. Equipped with 4 motor interfaces, 4 servos interface, wifi camera interface, IIC interface, various sensor sockets, etc. It also expand all the pins of Uno board, which is ...