Arduino HC-04 and 8x8 Matrix MAX7219
Get close and the Arduino is happy; go away and he gets sad.
Components and supplies
1
8x8 MAX7219 LED Matrix
1
Jumper wires (generic)
1
Arduino UNO
1
Ultrasonic Sensor - HC-SR04 (Generic)
Apps and platforms
1
Arduino IDE
Project description
Code
CODE FULL
c_cpp
// PIN 6 = TRIG // PIN 5 = ECHO // DIN = 8 // CS = 9 // CLK = 10
CODE FULL
c_cpp
// PIN 6 = TRIG // PIN 5 = ECHO // DIN = 8 // CS = 9 // CLK = 10
Downloadable files
hardware
// PIN 6 = TRIG // PIN 5 = ECHO // DIN = 8 // CS = 9 // CLK = 10
hardware

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