LED Drawing Board

Difficulty: Hard

137

ABOUT

Draw and watch it come to life! Pick between 2 million colors and draw on the board with them. This also has two other games to play: Chess, and Connect 4

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Diagram

To power everything, calculate how much power all of the LED's draw. Each LED draws 60ma on full white brightness. In this project I used 88 LED's which equates to 5.28 amps of power. Find a power supply unit that can handle at least 6 amps of power.

Solder wires to Arduino(VIN is positive, GND is negative) from DC Jack. This is for easy and adaptable powering. Connect HM-10 board. VCC to VIN and GND to GND. Max voltage for the HM-10 is 6v, do not overload. Next, connect HM-10 TXD to the switch and from there, to the RXD of the Arduino. The Arduino is unable to receive new code unless the switch is off(for updating purposes).

Connect HM-10 RXD to the Arduino's TXD Step 3: Connect the 5v LED strip to VIN and GND of the Arduino. It may be easy to use a bus bar and connect each LED strip to a positive bar and connect ground to a negative bar. Then connect the data wire to the designated pin from code. Default pin is pin 3.

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