All Products

These pinion gears attach to a ¼” D-shaft or gear motor using a setscrew. They have 32 teeth with a gear pitch of 32P, an outer diameter of 1.06...

Need some big indicators? We are big fans of these huge 10mm diffused green LEDs. They are fairly bright so they can be seen in daytime, and from a...

The Flamewheel is part of our Education Robot Series. It is an agile two-wheeled robot with unique and innovative movement. Have fun assembli...

What's better than a single LED? Lots of LEDs! And what's better than lots of LEDs? TWO TIMES AS MANY LEDS!!! With the 16x8 LED Matrix Backpack ...

This is a simple to use arduino motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anythi...

Make some beautiful colors with these diffused 10mm tri-color LED with separate red, green and blue LED chips inside! They make a nice indicator, a...

Need some really bright and big indicator LEDs? We are big fans of these 10mm diffused white LEDs. They go easily into a breadboard and will add th...

The Hall Angle Sensor is a miniature 360 degree sensor which works based on the principle of the Hall effect. It is compatible with the DFRob...

Good news! There is a new member in to the Gravity family - The Flexible 8x32 RGB LED Matrix! This module is a square panel with a soldered X...

These dolly wheel drive plates provide you with a way to create an easy to assemble, low friction, drive system or motorized dolly platform. The...

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to ...

Need some big indicators? We are big fans of these huge diffused blue LEDs. They are really bright so they can be seen in daytime, and from any ang...

These 7" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts hav...

The 8x8 RGB LED Matrix! This module is a square panel with a XH2.54 3-pin interface. This 8x8 RGB full-color LED matrix module is based on W...

This is a 5g syringe of white heatsink compound (aka thermal grease, thermal paste, thermal goo). Use this whenever you’re connecting a component t...

This is a metal gear servo(2.5kg) from Goteck.It's very small, lightweight, and powerful! Metal gear for longer wear life and extra strength in ...

These 3" long stainless steel D-Shafts have a diameter of ¼". The flat edge that runs the length of the shaft makes it an ideal drive shaft, when u...

What's better than a single LED? Lots of LEDs! And what's better than lots of LEDs? TWO TIMES AS MANY LEDS!!! With the 16x8 LED Matrix Backpack ...

Micro-switches are often found in arcade buttons and joysticks but they're also really handy in any kind of mechatronics project or when you need a...

Cutout 10mm nickel plated. Specifications Plug or Socket Type Mini DIN 4 Pin ...

Good news everyone! We have a new member to the Gravity family - The Flexible 8x8 RGB LED Matrix! This module is a square panel with a soldered ...

The British Invasion is here! No, not music...microcontrollers! New to Australia is the newest and easiest way to learn programming and elect...

Note: This product is discontinued, but you can purchase the Seeeduino Lite, which is an equivalent alternative that can be used instead. The...

This Arduino Rotation Potentimeter Sensor is a multi-ring rotation sensor. It is based on multi-turn precision potentiometer. It can rotate u...