Seeeduino is Arduino compatible board. Based on Duemilanove Schematic, 100% compatible to its existing program, shield and IDEs. On the hardware part, remarkable changes are taken to improve the flexibility and user experience.
Features:
Inherits all of Arduino Duemilanuve's features.
Compatible to Duemilanuve's pin layout, screw hole and dimensions.
Evolved with SMD components
Improved on extensibility and convenience
Change JST connector to DC Jack connector
What's updated:
V3.0
change JST connector to DC Jack connector
V2.2
USB/EXT power auto select
Upgrade power capacitor
Clean up layouts
Reset easier
Real Quartz Crystal
Extern power Diode change to 1N4004(more power on Vin pin)
V2.12
Zero external power consumption when switched off
Stronger Switches
Second power supply for 5V direct input. [Caution] USE 5V ONLY!
150mA driver capacity under 3.3V
1.0mm slim PCB for lighter weighs
Extra row reserved for pin headers
V1.1
Fixed bug - unnessesary via on Pin4 wire.
Fixed bug - Lable mistakenly covered by switches.
Added I2C and sensor port.
Added an 100uF capacitor for vcc switch.
Grouped new 100mil grid pins.
Replaced reset buttons with metal ones.
Rearranged texts and lables for clearer indications.