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Showing 41-60 of 77 products · 23 unavailable products hidden
Bi-Color (Red/Green) 24-Bar Bargraph w/I2C Backpack Kit
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A 24-bar bi-colour (red/green) LED bargraph kit with an I²C backpack controller. The backpack handles all LED multiplexing and drive, letting you control 48 LEDs (24 bars × 2 colours) from just two I²C pins. Constant-current drivers ensure bright, consistent colour across all segments with 1/16-s...
Adafruit 16x8 LED Matrix Driver Backpack - HT16K33 Breakout
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The Adafruit 16×8 LED Matrix Driver Backpack is a breadboard-friendly breakout for the HT16K33 multiplexed LED driver. Unlike the pre-configured LED backpacks, this version breaks out all 16 anode and 8 cathode pins, letting you wire up any LED matrix configuration you need — up to 128 individual...
Adafruit 0.56 4-Digit 7-Segment Display w/I2C Backpack - White
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The Adafruit 0.56" 4-Digit 7-Segment Display with I2C Backpack in white makes it easy to add a bright numeric display to any microcontroller project. The backpack handles all LED multiplexing and driving via I2C, so you only need two data pins to control a full 4-digit display. The HT16K33 drive...
Adafruit Mini 0.7 8x8 LED Matrix w/I2C Backpack - Blue
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The Adafruit Mini 0.7" 8×8 LED Matrix with I2C Backpack makes it easy to add a bright blue dot-matrix display to any project. The I2C backpack handles all the multiplexing, so you only need two data pins (SDA and SCL) plus power to control all 64 LEDs — no complex wiring or external driver chips ...
Adafruit 7-Segment Backpack - 1.2 Tall Digits
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Drive large 1.2" tall 7-segment displays with ease using this HT16K33-based I2C backpack. The updated design includes a built-in 5V boost converter so you get bright, consistent LED segments even when running from 3.3V power — no separate 5V supply needed. STEMMA QT / Qwiic connectors provide plu...
IIC I2C Logic Level Converter Bi-Directional Module 5V to 3.3V For Arduino
Logic Level Converter Bi-Directional IIC 4 Way Level Conversion Module Description:If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3....
Adafruit 7-Segment LED Matrix Backpack
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Drive 4-digit 0.56" tall 7-segment displays with ease using this HT16K33-based I2C backpack. The driver handles all LED multiplexing over I2C, keeping your wiring simple — just two data pins for full numeric display with decimal points and colon. The backpack is stackable with address jumpers on...
Gravity: MCP23017 IIC 16 Digital IO Expansion Module
This is an IO expansion module that based on the chip MCP23017. The module can expand additional 16 IOs. It can set 8 IIC addresses, which means with this module, the microcontroller can connect 8 modules, and expand 128 IOs at most. The module solves insufficient IO ports problem in applications...
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,...
Makey Makey Backpack Bundle
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Three add-on boards that clip onto the black pin headers on the back of a Makey Makey, unlocking the inputs the front of the board doesn't expose.The three backpacksPlayer 2 - adds a second set of controls so two students can play the same game at onceMakey Mouse - turns everyday objects into mou...
Gyroscope and accelerometer in one
This compact MPU-6050 module combines a MEMS accelerometer and MEMS gyroscope in a single chip for detecting movement, tilt and rotation across the X, Y and Z axes.Each channel is captured with 16-bit analogue-to-digital conversion, allowing the module to read the accelerometer and gyro axes at t...
Overthinking Anxiety Enamel Pin
Add a little personality to your jacket, hat, backpack or bag with this hard enamel pin featuring an overthinking anxiety design. It is a compact collectible accessory suited to everyday wear, gifting or adding flair to clothing and accessories.The pin uses nickel plating and includes two backing...
Spooky Halloween Kitty Enamel Pin
Add a little Halloween flair to your jacket, backpack, hat or bag with this spooky kitty enamel pin. The design glows brightly in the dark, making it a fun collectible or seasonal accessory.It is made with soft enamel, finished with black metal plating, and secured with two orange rubber backings...
16x8 1.2 LED Matrix+Backpack UltraBright Round YellowGreen LEDs
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The 16×8 1.2" LED Matrix + Backpack combines two ultra-bright round yellow-green 8×8 LED matrices on a single, compact driver board. The classic round pixel design gives a retro dot-matrix aesthetic — ideal for scrolling text, small animations, or status displays in your projects. Powered by the...
16x8 1.2 LED Matrix + Backpack-Ultra Bright Round Orange LEDs
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A 16×8 LED matrix backpack kit featuring two ultra-bright 1.2" orange 8×8 round LED matrices on a single I2C-controlled driver board. The HT16K33 chip handles all the multiplexing, so you only need two I2C pins (SDA and SCL) to control 128 LEDs — no complex wiring required. The backpack features...
Astronaut Space Cat Enamel Pin
Add a bit of space-cat flair to your jacket, backpack, lanyard or project bag with this fun enamel pin. It features an astronaut cat theme that is ready for everyday wear or display.The pin is made with soft enamel and is designed to stay put with two rubber backings. It is also waterproof and UV...
Red 7-segment clock display - 1.2 digit height
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I like big seven-segment displays and I cannot lie! Design a clock, timer or counter into your next project using our pretty, candy-bar sized 4-digit seven-segment display. These bright crisp displays are good for adding numeric output. Besides the four 7-segments there is a top right dot (per...
Red 7-segment clock display - 0.56 digit height
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A red 4-digit 7-segment clock display with 0.56″ (14.2 mm) digit height. Each digit includes a decimal point, plus a centre colon for time-based displays. Bright at 18 mcd, these displays are easy to read and can be dimmed by reducing drive current to save power. This is a raw multiplexed common...
Arduino Nano IO Sensor Shield
The Arduino Nano I/O Sensor Shield acts as an expansion board for the Arduino Nano and DFRduino Nano microcontrollers. There are several different options for power input. The form factor of the Nano I/O Shield board is the same as the Arduino UNO/arduino Leonardo. In addition, the sensor shi...
Green 7-segment clock display - 0.56 digit height
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Design a clock, timer or counter into your next project using our pretty 4-digit seven-segment display. These bright crisp displays are good for adding numeric output. Besides the four 7-segments, there are decimal points on each digit and an extra wire for colon-dots in the center (good for t...
