μStick

μStick (pronounced as “mu stick” or micro Stick)or uStick is a 32bit Arm Cortex M0+ based Arduino Compatible micro development board specially designed for battery driven projects/products. The board is released under CC-BY-SA 4.0

Features:

• Micro Dev Board (39mm x 15mm)
• ATSAMD11C14 – 32bit Arm Cortex M0+
• 16kb flash, 4kb SRAM
• Battery charging modes(user configurable with jumper pads):
  • USB 100mA
  • USB 500mA
  • Resistor settable charging current upto 1.6A
• Low noise and low dropout LDO upto 500mA
• Choosable EEPROM(16-512 MegaBit)
• Auto charging and system power management
• Charging status and power good indicator
• Button configurable for reset or general use (pin D15) with debouncing.
  • Use as reset (default), with bootloader entry via reset double-tap
  • Use as a general purpose button, with bootloader entry by holding during powerup.
• ESD protection on USB D+ and D- lines
• 9 solder jumpers on PCB bottom for configuration flexibility
• Arduino compatible (use the Arduino IDE to upload)