Seeed Grove – RTC $6.90 The RTC module is a member of Twig. It is based on the clock chip DS1307 which supports the I2C protocol. It uses a Lithium cell battery (CR1225). The clock/calendar provides seconds, minutes, hours, day, date, month and year information.
	Nidec SMD Vibra motor 1.3V DC, 105mA, 9500rpm $3.00 Surface-mount vibrating pager motor 1.3V DC, 105mA, 9500rpm.
	Grove – Voltage Divider $5.90 The Grove Voltage Divider provides an interface to measure external voltages without the need to create a resistor ladder.  Voltage gain is adjustable using the onboard switch.
	Kossel Pro 3D Printer Kit with HBP $1750.00 Fast assembly, automated z-leveling, heated bed platform and full metal hot end are just a few of the things that make the Kossel Pro one of our favorites!
	Grove – MOSFET $4.95 Think of a Grove-compatible relay with no moving parts!