Circuitry & IOT

SKU: DF-FIT0918 | Brand: DFRobot

A compact 4×AA battery holder with a built-in on/off power switch, DC2.1 barrel jack output, and a protective cover. Ideal for powering Arduino, Raspberry Pi, and other microcontroller projects with a portable 6V supp...

SKU: DF-TEL0149 | Brand: DFRobot

Note: Gravity: BLE sensor beacons need to be configured using the 3.3V USB-TTL tool. This Gravity wireless BLE Sensor Beacon with built-in 11-bit ADC is capable of collecting data from digital and analog sensors a...

SKU: DF-KIT0179-EN | Brand: DFRobot

Note: HUSKYLENS and micro:bit board are not included. The Study Pack of HUSKYLENS for micro:bit is an HuskyLens extension kit based on micro:bit programming. It is suitable for students aged 8-19. Centered around AI ...

SKU: AF-4775 | Brand: Adafruit

The Adafruit Metro ESP32-S2 combines the popular Arduino UNO shield-compatible Metro form factor with the ESP32-S2 WiFi module. Featuring native USB, 4 MB flash, and 8 MB PSRAM, this board is ideal for WiFi-connected ...

SKU: EC-ARS03218S | Brand: Elecrow

The board is designed for beginners in Arduino, with various components available that makes you build more than 10 projects easily. You won’t have to solder or connect anything at all, just plug it in a shield and st...

SKU: SF-CAB-15186 | Brand: SparkFun

A 10-pack of cables with an alligator clip on one end and a female header on the other. These cables bridge the gap between clip-based prototyping and standard 0.1" pin headers, making it easy to connect alligator cli...

SKU: AF-3845 | Brand: Adafruit

This 3×4 matrix keypad provides 12 buttons (0–9, *, #) in a sturdy, rigid format. It uses a matrix scanning arrangement requiring only 7 pins to read all 12 keys, making it efficient to connect to Arduino, Raspberry P...

SKU: AF-3718 | Brand: Adafruit

Are you still looking for that perfect PCB holder? The hefty yet portable Heavy Stainless Steel PCB Holder will rock out when you rework out. These were initially marketed for people doing cell phone repair an...

SKU: AF-4172 | Brand: Adafruit

The Adafruit HUZZAH32 ESP32 Breakout is a compact, breadboard-friendly development board built around the Espressif ESP32 dual-core processor. With WiFi, Bluetooth Classic, and BLE support, 4 MB SPI Flash, and a gener...

SKU: AF-1501 | Brand: Adafruit

The Adafruit Trinket 5V is a tiny microcontroller board built around the Atmel ATtiny85 processor. At just 27mm × 15mm, it's small enough to fit into virtually any project and affordable enough to dedicate to a single...

SKU: AF-1606 | Brand: Adafruit

The Adafruit Perma-Proto Full-Sized Breadboard PCB mirrors the layout of a standard full-size solderless breadboard, making it simple to transfer prototyped circuits to a permanent soldered board. With 60 rows of 5-ho...

SKU: DF-FIT0030 | Brand: DFRobot

These 23 cm (9″) female-to-female jumper wires are a prototyping essential. Use them to connect between male headers on Arduino boards, IO shields, sensors, and breadboards. Multiple wires sit neatly side by side on s...

SKU: DF-KIT0003 | Brand: DFRobot

EcoDuino is evolving. Now the EcoDuino has an enclosure. It is protected from water splashes, so it is safe to use beside your plants. The Ecoduino now sports an Atmega32U4 which eliminates the requirement of an ...

SKU: SF-PRT-08671 | Brand: SparkFun

This is a simple two wire cable. Great for jumping from board to board. 2-pin JST connector on one end, bare cable on the opposite end. Dimensions: 100mm length Documents: JST connector

SKU: SF-SEN-08606 | Brand: SparkFun

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 Gl...

SKU: SF-COM-00299 | Brand: SparkFun

The Texas Instruments CD74HC4067 is a 16-channel analogue multiplexer/demultiplexer IC. It allows you to route one of 16 analogue signals to a single common pin (or vice versa) using just 4 digital control lines plus ...

SKU: AF-3142 | Brand: Adafruit

Our Raw Male/Male Jumper Wires are perfect for making a custom jumper wire sets for wire harnesses or jumpering between headers on PCB's. These premium jumpers are a little over 6" (150mm) long and come in a 'strip...

SKU: SF-PRT-13032 | Brand: SparkFun

A simple breadboard power supply that takes a 6–12 V input and outputs a regulated 5 V or 3.3 V. All headers are at 0.1" pitch for direct insertion into a standard breadboard, with the output pins spaced to power both...

SKU: AF-735 | Brand: Adafruit

An 8-bit logic level shifter in a breadboard-friendly DIP package. The 74LVC245 converts between 3.3V and 5V logic levels, making it easy to interface modern 3.3V sensors and peripherals with 5V microcontrollers like ...

SKU: AF-760 | Brand: Adafruit

A 40-piece set of premium male-to-male jumper wires in a rainbow ribbon cable format. Each wire is 12″ (300mm) long with 0.1″ (2.54mm) male header contacts on both ends, fitting cleanly on standard-pitch headers and b...