-
```
Problem: When chaining two or more MAX7221 LED drivers, not enough current can
be pulled from the arduino. Each IC needs 330 mA.
Solution: Perfect solution not found yet.
Almost solution #…
-
### The problem
I would like to operate my own 7-segment display on a NodeMCU, i.e. with a MAX7219 or MAX7221 chip and some 7-segment digits. Connected via ESPHome integration in Home Assistant.
…
-
At the moment only MAX7219 and MAX7221 are expected to work correctly.
I the future all of the code in `LedController_low_level.hpp` should get refactored.
* [ ] add a generic display_driver class…
-
-
Hi- I went to try to substitute a 7219 in place of a I2C backpack used in the adafruit backpack
example sketch that implements a moving eyeball.
https://learn.adafruit.com/animating-multiple-led-bac…
-
I would like to "daisychain" 10 7219 chips using ledcontrol.h but I am only successful with 8. Is this a software issue or a chip issue? Thanks
-
Hello ,
is there a way to know the state of a led
thank you in advance
-
Can't understand where i can find pins MOSI or SCK or SS on my arduino board =(
-
```
❯ compiledb make
mkdir build
avr-gcc -c -mmcu=atmega328p -gdwarf-2 -I. -I./include/ -I./HAL/ -O0 -DF_CPU=8000000UL -DBAUD=9600 -Wall -pedantic -Wextra main.c -o build/main.o
avr-gcc -c -mmcu…
-
**Describe the bug**
Good day to everybody. I sell custom made indicators for over 2 years right now and last 3-4 days i have big problems with 2 of my buyers.
Indicator is based on 8x8 gear indic…