Adafruit 15x7 CharliePlex LED Matrix FeatherWing - Warm White

You wont be able to look away from the mesmerizing patterns created by this Adafruit 15x7 CharliePlex LED Matrix Display FeatherWing. This 15x7 LED display can be paired with any of our Feather boards for a beautiful, bright grid of 105 charlieplexed LEDs.

3Vsecond from left
FeatherWing power and logic supply. Adafruit Learn states the LED matrix uses only the 3V pin for power and logic.
Type · powerVoltage · 3.3V Feather rail; Adafruit notes typical current draw around 40mA depending on lit LEDs.
GNDfourth from left
Ground return for the FeatherWing LED matrix. Adafruit Learn states the board uses GND for power and logic.
Type · groundVoltage · 0V ground reference
SCLto the left of SDA
I2C clock line for IS31FL3731 LED matrix control. Adafruit Learn states all LED control is over I2C and SCL must be connected.
Type · signalVoltage · Feather I2C logic level, used with 3V logic on this FeatherWing
SDArightmost
I2C data line for IS31FL3731 LED matrix control. Adafruit Learn states all LED control is over I2C and SDA must be connected.

Start wiring

I2C · SPI · 3.3V Feather rail; Adafruit notes typical current draw around 40mA depending on lit LEDs. · 0V ground reference

Confirm the data interface matches your host board.

Module pins: 3V, GND, SCL, SDA. Schematik maps them to your board in the app.

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