Short Circuits

RGB MATRIX

Brighten up your project

The RGB MATRIX uses 3 pins from the MOTHERBOARD to control 2 HC595 Shift Registers, which in turn, switch Transistors which sink and source current for the 16 Red, Green, Blue LEDs. With some crafty programming, these could show simple animations or some PWM powered rainbow or lava effects. These can be used as coloured reminder lights. Flash blue to remind you to drink water, or flash red when you need to call your mum… Or you could program them to show you a representation of the temperature or humidity (Using the SENSOR BOARD), or a coloured sound meter to help you keep your sax playing to a reasonable level. You could use one for under-glow lighting or to light up the inside of a cube…

Learn about:

  • Shift Registers
  • LED Matrices
  • RGB LEDs
  • PNP and NPN Transistors
  • Bypass Capacitors
  • Current Limiting Resistors
  • Dimming LEDs with PWM
  • Bit Masks
 
 

Learn About:

The RGB MATRIX uses 3 pins from the MOTHERBOARD to control 2 HC595 Shift Registers, which in turn, switch Transistors which sink and source current for the 16 Red, Green, Blue LEDs. With some crafty programming, these could show simple animations or some PWM powered rainbow or lava effects. These can be used as coloured reminder lights. Flash blue to remind you to drink water, or flash red when you need to call your mum… Or you could program them to show you a representation of the temperature or humidity (Using the SENSOR BOARD), or a coloured sound meter to help you keep your sax playing to a reasonable level. You could use one for under-glow lighting or to light up the inside of a cube…

Learn about:

  • Shift Registers
  • LED Matrices
  • RGB LEDs
  • PNP and NPN Transistors
  • Bypass Capacitors
  • Current Limiting Resistors
  • Dimming LEDs with PWM
  • Bit Masks
 
 

Required
Tools:

  • Powered through Terminal Blocks 
  • All Through-Hole Components
  • Through-Hole Test Points at key points in the circuit
  • Designed to be easy to follow and understand
  • 16 x RGB (Red, Green, Blue) LEDs
  • 2 x 74HC595 Shift Registers for Serial In, Parallel Out
  • PNP Transistors to source current for the common anodes
  • NPN Transistors to sink current for Red, Green and Blue Cathodes
  • Bypass Capacitors on each Shift Register to filter out interference
  • Multiple IO ports for neater wiring to other boards
  • Output Enable pin will be available for PWM dimming
  • 40+ page manual with every part of the circuit and every component explained in an easy to follow way
  • Height and Width: 100mm x 100mm 
 

Learn
About:

Manual

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Quick Reference

  • RGB MATRIX
  • 74HC595
  • RGB LED
RGB MATRIX Specs: 
 
  • Overcurrent protection (Vin) 500mA (via MOTHERBOARD Vout)
  • Overvoltage Protection 5.1V (via MOTHERBOARD Vout)
  • 16 x RGB (Red, Green, and Blue) LEDs 
  • 2 x HC595 Shift Registers 
  • PNP Sourcing Switches
  • NPN Sinking Switches
  • Byte 1 (MSBFIRST)GREEN1;GREEN2;GREEN3;GREEN4; BLUE1;BLUE2;BLUE3;BLUE4
  • Byte 2 (MSBFIRST): ROW1;ROW2;ROW3;ROW4; RED1;RED2;RED3;RED4
  • Multiple IO ports for neater wiring to other boards
  • Output Enable Available for PWM Dimming (Can be left unconnected)
  • 100mm x 100mm x 1.6mm
  • 2 layer board
  • Gold coated contacts (ENIG)
RGB MATRIX Specs: 
 
  • Overcurrent protection (Vin) 500mA (via MOTHERBOARD Vout)
  • Overvoltage Protection 5.1V (via MOTHERBOARD Vout)
  • 16 x RGB (Red, Green, and Blue) LEDs 
  • 2 x HC595 Shift Registers 
  • PNP Sourcing Switches
  • NPN Sinking Switches
  • Byte 1 (MSBFIRST): GREEN1;GREEN2;GREEN3;GREEN4; BLUE1;BLUE2;BLUE3;BLUE4
  • Byte 2 (MSBFIRST): ROW1;ROW2;ROW3;ROW4; RED1;RED2;RED3;RED4
  • Multiple IO ports for neater wiring to other boards
  • Output Enable Available for PWM Dimming (Can be left unconnected)
  • 100mm x 100mm x 1.6mm
  • 2 layer board
  • Gold coated contacts (ENIG)
74HC595 Specs:                                                              
 
  • 3-5 Wire Serial Communication
  • Chainable with other 595 ICs
  • 8-Bit Serial-In, Parallel-Out Shifting
  • Wide Operating Voltage of 2V to 6V
  • Output Enable pin is accessible, making PWM dimming possible
  • Low Power Consumption: 80µA (Max)
  • Direct Clear and Output Enable
  • Max Continuous Current through VCC or GND: 70mA

DATASHEET

74HC595 Specs:                                                      
  • 3-5 Wire Serial Communication
  • Chainable with other 595 ICs
  • 8-Bit Serial-In, Parallel-Out Shifting
  • Wide Operating Voltage of 2V to 6V
  • Output Enable pin is accessible, making PWM dimming possible
  • Low Power Consumption: 80µA (Max)
  • Direct Clear and Output Enable
  • Max Continuous Current through VCC or GND: 70mA

DATASHEET

RGB LED (Common Anode) Specs:     
                                                         
  • Voltage: 1.8-2.4V (Red), 2.8-3.4V (Green), 2.8-3.4V (Blue)
  • Pulse Current: 100mA
  • Working Current: 30mA
  • Wavelengths: 620nm (Red), 520nm (Green), 465nm (Blue)

DATASHEET

 
 
RGB LED (Common Anode) Specs:     
                                                         
  • Voltage: 1.8-2.4V (Red), 2.8-3.4V (Green), 2.8-3.4V (Blue)
  • Pulse Current: 100mA
  • Working Current: 30mA
  • Wavelengths: 620nm (Red), 520nm (Green), 465nm (Blue)

DATASHEET

 
 
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