Items 145 to 158 of 158 total

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VELLEMAN Brain Game Electronic Kit, MK112

Low power consumption Microprocessor controlled Auto power off Power supply: 3 1.5V AA batteries (not incl.) Dimensions: 2.0 x 2.6"

VELLEMAN IR Light Barrier Electronic Kit, MK120

Electronic Kit- Soldering Required Break the beam and sound the alert Uses (2) 9V batteries-not included Audible (85dB) and Visible (LED) Alert Range: 3.3ft to 13ft On/Off Switch Provided Not recommended for Outdoor Use (The Sun Emits A Lot of IR) Power Supply:  Transmitter: 9V DC / 50mA Max. Receiver: 9V DC / 20mA Max. 9V Battery Holder and Adapter Jack Included. (9V Batteries Sold Separately). Dimensions: Transmitter: 2.2” x 1.6" Receiver: 3.9” x 2.0"

VELLEMAN Roulette Wheel Kit, MK119

Auto power-off Low power consumption Power supply: 3 AA battery operation (not incl.) Dimensions: 3.6 x 1.3"

VELLEMAN Pocket VU Meter Electronic Kit, MK115

Electronic Kit...Soldering Required LED's respond to the on-board mic Power supply: 3V type CR2032 battery (not included)

SPARKFUN Inventor's Kit - v4.0, KIT-14265

SparkFun RedBoard Arduino and Breadboard Holder SparkFun Inventor’s Kit Guidebook White Solderless Breadboard Carrying Case SparkFun Mini Screwdriver 16x2 White-on-Black LCD (with headers) SparkFun Motor Driver (with Headers) Pair of Rubber Wheels Pair of Hobby Gearmotors Small Servo Ultrasonic Sensor TMP36 Temp Sensor 6' SparkFun USB Cable Jumper Wires Photocell Tricolor LED Red, Blue, Yellow and Green LEDs Red, Blue, Yellow and Green Tactile Buttons 10K Trimpot Mini Power Switch Piezo Speaker AA Battery Holder 330 and 10K Resistors Binder Clip Dual-Lock™ Fastener