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Seeeduino V2.2 (Atmega 328P)


Vendor's Description: 


Overview
Seeeduino is Arduino compatible board. Its design is based on Diecimila scheme, 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 Diecimila's features.
  • Compatible to Diecimila's pin layout, screw hole and dimensions.
  • Evolved with SMD components
  • Improved on extensibility and convenience
What's updated
v2.2
  1. USB/EXT power auto select
  2. Upgrade power capacitor
  3. Clean up layouts
  4. Reset easier
  5. Real Quartz Crystal
  6. Extern power Diode change to 1N4004(more power on Vin pin)
V2.12
  1. Zero external power consumption when switched off
  2. Stronger Switches
  3. Second power supply for 5V direct input. [Caution] USE 5V ONLY!
  4. 150mA driver capacity under 3.3V
  5. 1.0mm slim PCB for lighter weighs
  6. Extra row reserved for pin headers
V1.1
  1. Fixed bug - unnessesary via on Pin4 wire.
  2. Fixed bug - Lable mistakenly covered by switches.
  3. Added I2C and sensor port.
  4. Added an 100uF capacitor for vcc switch.
  5. Grouped new 100mil grid pins.
  6. Replaced reset buttons with metal ones.
  7. Rearranged texts and lables for clearer indications.