All Products

SKU: DF-DFR0175

This is a new IIC LCD backpack which supports Gadgeteer interface (IDC10). It allows gadgeteer user to play with LCD160X. The IIC LCD Backpack is a small PCB that can be soldered to the back of an LCD so that you may control it over an I2C bus.The I2C Backpack is based on the PCA8574.By...

SKU: AF-1721

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...

SKU: AF-2038

A 16×8 LED matrix backpack kit featuring two ultra-bright 1.2" white 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 ...

SKU: AF-1912

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...

SKU: AF-2035

A 16×8 LED matrix backpack kit featuring two ultra-bright 1.2" green 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 ...

SKU: AF-292

LCD backpacks reduce the number of pins needed to connect to an LCD. LCDs are a fun and easy way to have your microcontroller project talk back to you. Character LCDs are common, and easy to get, available in tons of colors and sizes. We've written tutorials on using character LCDs with an Ard...

SKU: AF-2037

A 16×8 LED matrix backpack kit featuring two ultra-bright 1.2" red 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 co...

SKU: AF-1002

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...

SKU: AF-2039

A 16×8 LED matrix backpack kit featuring two ultra-bright 1.2" blue 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 c...

SKU: AF-881

The Adafruit 0.56" 4-Digit 7-Segment Display with I2C Backpack in blue 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 driver...

SKU: AF-1269

The Adafruit 1.2" 4-Digit 7-Segment Display with I2C Backpack in yellow makes it easy to add a large, 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 HT16K3...

SKU: AF-878

The Adafruit 0.56" 4-Digit 7-Segment Display with I2C Backpack in red 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 driver ...

SKU: AF-1271

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...

SKU: AF-1633

The Adafruit Mini 0.7" 8×8 LED Matrix with I2C Backpack makes it easy to add a bright pure green 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 ...

SKU: AF-2040

The 16×8 1.2" LED Matrix + Backpack combines two ultra-bright square blue 8×8 LED matrices on a single, compact driver board. The square pixel design creates a seamless, uniform look — perfect for scrolling text, small animations, or status displays in your projects. Powered by the HT16K33 drive...

SKU: AF-2044

The 16×8 1.2" LED Matrix + Backpack combines two ultra-bright square white 8×8 LED matrices on a single, compact driver board. The square pixel design creates a seamless, uniform look — perfect for scrolling text, small animations, or status displays in your projects. Powered by the HT16K33 driv...

SKU: AF-872

The Adafruit Mini 0.7" 8×8 LED Matrix with I2C Backpack makes it easy to add a bright yellow-green 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 drive...

SKU: AF-877

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...

SKU: AF-2157

Display, elegantly, 012345678 or 9! Gaze, hypnotized, at ABCDEFGHIJKLM - well it can display the whole alphabet. You get the point. This is a nice, bright alphanumeric display that shows letters and numbers in a beautiful white hue. It's super bright and designed for viewing from distances up to ...

SKU: AF-1910

The Adafruit 14-Segment LED Alphanumeric Backpack is a standalone I2C LED driver board that makes it easy to add a 4-character alphanumeric display to any project. Powered by the HT16K33 chip, it handles all LED multiplexing over I2C — just send commands and it lights up the right segments for yo...