Ein multifunktionaler LED-Controller zur Steuerung unterschiedlicher LED-Lichtquellen wurde in Zusammenarbeit mit iArt Basel entwickelt. Es ist ein open source Gerät basierend auf der Arduino Plattform. Durch den Einbau eines LED-Driver-Shields lassen sich direkt High Power LEDs bis 60V ansteuern.
Specifications:
MCU
• ATmega2560
• 256 KBytes of In-System Self-Programmable Flash
• 4 KBytes EEPROM
• 8 KBytes Internal SRAM
• 16 MHz clock frequency
MCU USB
• ATmega8U2
• 8 KBytes of In-System Self-Programmable Flash
• 512 Bytes EEPROM
• 512 Bytes Internal SRAM
• 16 MHz clock frequency
• USB 2.0 Full-speed Device Module
DC Supply
• 9-24V DC
• max. 3A
• EMI protected
• Ethernet
Standard RJ45 jack
• Support Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4 ARP, IGMP, PPPoE, Ethernet
• 10BaseT/100BaseTX Ethernet PHY embedded
• Auto Negotiation (Full-duplex and half duplex)
• 4 independent sockets simultaneously
• Link and Speed LEDs
• Power over ethernet module socket
DMX
• 2x standard RJ45 jack
• Half duplex DMX interface
• Sending and receiving dmx data
• RDM compatible
• optional terminating impedance (jumper)
• connected to UART1 on controller
• EMI protected (ESD 15kV/8kV)
Sensor Ports
• 3x RJ10 jack including ground, DC +5V and DC supply voltage (Vin)
• Supply voltage with short circuit (fuse) and EMI protection (ESD 15kV/8kV)
• max. current 1100mA for all sensors
• 0-5V inputs
• ADC 10Bit max 15kSps.
• alternatively digital input with interrupt or digital output with Rs = 220 Ohm
• EMI protected (LC filters and ESD 15kV/8kV for each channel)
I/O Port
• 20 pole pinheader
• 16 digital I/O with max. output current 20mA per channel
• Pins for supply voltage and ground
• Supply voltage with short circuit (fuse) and EMI protection (ESD 15kV/8kV)
• max. supply current 1100mA (shared with SPI/UART port)
• Series resistance Rs = 220 Ohm on all channels
• EMI protected (RC filter and ESD 15kV/8kV for each channel)
SPI/UART Port
• 10 pole pinheader
• RX/TX pins of UART3
• SPI interface with UART3 in SPI-Mode
• Pins for supply voltage and ground
• Supply voltage with short circuit (fuse) and EMI protection (ESD 15kV/8kV)
• max. supply current 1100mA (shared with I/O port)
• Series resistance Rs = 120 Ohm on all channels
• optional termination on MISO/RX pin (jumper)
• EMI protected (RC filter and ESD 15kV/8kV for each channel)
Reset button
• external physical reset button (pinhole)
USB
• mini USB plug
• ATmega8U2 (programmable)
• USB 2.0 fullspeed
• 100% Arduino-compatible programming interface (USB-Serial)
• No USB Host functionality
• Controller can be powered over USB 5V (in third hierarchy)
• EMI protected (ESD 15kV/8kV)
Status LED
• 2x two colour LEDs Red/Green
Functional Buttons
• 3x tactile push buttons
• programmable
LCD
• 2x 16 Pol pinheader to connect a standard 2x16 character display
• Potentiometer to adjust contrast level
• Backlight driver adjustable by PWM pin
Micro SD
• Standard micro SD card slot
• direct communication over SPI
• level converter on board
Real time clock
• 32.768 kHz crystal connected to TOSC1/TOSC2 of ATmega
• no back-up battery
XBee/WiFly
• Socket to connect XBee and WiFly modules available from Digi
• modules not included
• serial communication (uart)
• possibility to update controller firmware over the air (special software and bootloader needed)
Fader
• 2x 10 pol pinheaders
• each header including 6 analog inputs, ground and supply voltage
JTAG
• 10 pol pinheader
• standard atmel JTAG pinout
• with JTAG enabled some controller pins can not be used for other purpose
Arduino shield
• standard Arduino shield socket
OMC shield
• extended shield socket for customized OMC shields