With this circuit we are able to control a 8x8 matrix led using
the max7219 chip to send the data.
- w = up arrow
- s = down arrow
- a = left arrow
- d = right arrow
- h = heart
- x = blinker stop
- Arduino board
- 8x8 matrix
- max7219 led display driver
- hc-05 or hc-06 serial bluetooth module
- 5v power source
pin 12 is connected to the din
pin 11 is connected to the CLK
pin 10 is connected to cs
pin 0 is connected to TX from bluetooth
pin 1 is connected to RX from bluetooth
Yeffri J. Salazar
Xibalba Hackerspace, August 2019.