All Products

SKU: AF-1853

The Small 1.2" (30 mm) 8x8 Bright Square LED Matrix + Backpack combines a vivid blue LED matrix with an I2C backpack driver board, making it simple to add a compact display to any microcontroller project without complex wiring. The HT16K33 driver chip handles all multiplexing, constant-current d...

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-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-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-2052

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...

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-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-879

The Adafruit 0.56" 4-Digit 7-Segment Display with I2C Backpack in yellow 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 driv...

SKU: AF-1270

The Adafruit 1.2" 4-Digit 7-Segment Display with I2C Backpack in red 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 HT16K33 d...

SKU: AF-2041

A 16×8 LED matrix backpack kit featuring two ultra-bright 1.2" amber 8×8 square LED matrices on a single I2C-controlled driver board. The square pixel shape creates a seamless, uniform look compared to round LEDs. The HT16K33 chip handles all the multiplexing, so you only need two I2C pins to con...

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-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-902

The Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack combines a 1.2" 8×8 bicolour (red/green) LED matrix with an HT16K33 I2C driver backpack. Control all 128 LEDs with just two I2C wires — the driver chip handles multiplexing, constant-current drive, and 1/16-step dimming automatically....

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 ...