Introduction

This is a bare PCB Interface Board with headers and a 12Kohms resistor included which is designed to work with our 8x8 Bi-color (Red & Green) LED Matrix (60mm x 60mm) Driver Module DIY Kit. You may like to check out our LED Matrix kit here

Basic soldering skill is required to work with this board as it is designed for through-hole electronics components.

Parts Included

1 x Bare PCB JF Interface Board 1
2 x 15 pin female straight header
1 x 6 pin female right angle header
1 x 12K ohms resistor

PCB Layout

1. Arduino Nano digital input/out signals D2 to D9.

2. Arduino Nano analog input/out signals A7 to A0.

3. For Arduino Nano (Note the orientation according to silkscreen on PCB).

4. For Rotary Encoder (Available from Sparkfun. Part number:COM-10596 or equivalent). See part fromSparkFun at https://www.sparkfun.com/products/10596.

5. For BJT transistor (e.g. 2N2222) to drive loads requiring more current than what an arduino output pin is able to supply (typically less than 40 mA). Load is connected to J6 of PCB. Transistor base is controlled using Arduino Nano digital pin 8. A resistor is needed to be soldered to R1 to limit the transistor base current.

6. For jolliFactory Bi-color LED Matrix Driver Modules. See part from jolliFactory at https://www.tindie.com/products/Nick64/60mm-x-60mm-bi-color-led-matrix-driver-module-diy-kit/.

7. J7 terminals come shorted with solder. This shall connect 5V pin of Arduino Nano to VCC of J3, J4 and J5.

8. I2C signals (suitable for use e.g. with RTC).

9. Arduino Nano RX0 and TX1 signal (suitable for use e.g. with Bluetooth Module HC-05 mounted on most breakout boards).

SCHEMATICS

Download JF Interface Board 1 Ver 1.1 Schematics

Projects which can be built using JF Interface Board 1

Project to build a 2 LED Matrix long Pong game found at http://www.instructables.com/id/Arduino-based-Bi-color-LED-Matrix-Pong-Game/

Project to build a 2 LED Matrix tall Tetris game found at http://www.instructables.com/id/Arduino-based-Bi-color-LED-Matrix-Tetris-Game/

Project to build a 2 LED Matrix tall Snake game found at http://www.instructables.com/id/Arduino-based-Bi-color-LED-Matrix-Snake-Game/

Project to build a 7 Bi-color LED Matrix long Scrolling Text Display found at http://jollifactory.blogspot.sg/2013/09/7-bi-color-led-matrix-scrolling-text.html.This project uses the excellent LedControl library that has been specifically written for the MAX7219 which greatly simplifies the Arduino sketch.

Project to build an Arduino Bluetooth 7 Bi-color LED Matrix long Scrolling Text Display found at http://www.instructables.com/id/Arduino-SPI-7-Bi-color-LED-Matrix-Scrolling-Text-D/. This project uses Arduino hardware SPI lines for instruction and data transfer to the display and offers impressive text scrolling effect.

Project using voice input to send commands and messages to a LED Matrix display which is based on the Arduino Bluetooth 7 Bi-color LED Matrix long Scrolling Text Display project found at http://www.instructables.com/id/Voice-Input-Arduino-Bi-color-LED-Matrix-Scrolling-/.