rEDI Features

Features 
Dimensions4.0x3.0 inches (102x76 mm)
Operating
Temperature
-40°C to +85°C
Power SourceUSB Bus (max 500mA) or
7 → 12V DC Jack or
7 → 12V Battery Pack
On-board RegulatorLM1084 - 5 Volts, 5 Amp (required for servos)
Provides 3.3V SupplyYes (50 mA max)
ControllerAtmel ATmega644P
Oscillator16MHz
Flash Memory Total65536 bytes (64 KiB)
Flash Memory Available63488 bytes (62 KiB)
SRAM4096 bytes (4 KiB)
EEPROM2048 bytes (2 KiB)
Digital I/O Pins32
PWM outputs6
Analog inputs8
DC Current per I/O Pin40 mA (200 mA MAX total)
Hardware Serial Ports2
USB Serial On-boardYes
Arduino(tm) IDE compatibleYes
(core download required)
Accepts Arduino(tm) ShieldsYes
Components On-Board4 x Servo Headers
 10kOhm Thumb trim-pot
 Piezo speaker
 4 x Switch/LED combo
 Breadboard
 (Optional) LCHB - H-Bridge Controller
RoHS CompliantYes