"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them...

These wheels are great for robotics, custom RC vehicles, or any other project you need to get rolling. They measure 40 mm (1.57″) in diameter and are designed to press-fit securely onto D output shafts with a diameter of 3 mm. They are...

These cylindrical brushed DC gearmotors are available in a wide range of gear ratios, from 25:1 up to 488:1, and with three different motors: 6 V and 12 V motors with long-life carbon brushes (CB), and a 6 V motor with shorter-life...

These versatile wheels use interchangeable collets to tightly grab a variety of different common motor shafts, including the 3mm D-shafts on our micro metal gearmotors and mini plastic gearmotors and the 4mm D-shafts on our 20D metal...

This ball caster kit includes a black ABS housing, a 3/4″ diameter plastic ball, three dowel pin rollers, two spacers (1/16″ and 1/8″ thick), and two 7/16″ #2 screws and nuts. The total height of the ball caster, 0.88″, can be increased...

The SparkFun ZED-F9R GPS pHAT is a high precision, sensor fusion GPS board with equally impressive configuration options and takes advantage of u-blox's Automotive Dead Reckoning (ADR) technology. The ZED-F9R module provides a highly...

The SparkFun ZED-F9R GPS Breakout is a high precision, sensor fusion GPS board with equally impressive configuration options and takes advantage of u-blox's Automotive Dead Reckoning (ADR) technology. The ZED-F9R module provides a highly...

INTRODUCTION Wanna buy a simple & practical voice recorder? This one is right for you! The voice recorder module supports 4 controlling modes ( Arduino , AT command, on-board buttons, and ADKEY), and multi-segment voice recording. You...

INTRODUCTION Starting to build your dream Speakers with this Bluetooth Power Amplifier board! This cost-effective high power Bluetooth amplifier board features 100W output power, a volume control button, Bluetooth 5.0 input, and...

INTRODUCTION This new ambient light sensor is packaged in a transparent semisphere case that offers better light-gathering power. The sensor supports a 0-200klx detection range and I2C communication. The on-chip photodiode’s spectral...

The HM01B0 from Himax Imaging is an ultra low power CMOS Image Sensor that enables the integration of an “Always On” camera for computer vision applications such as gestures, intelligent ambient light and proximity sensing, tracking and...

High accuracy sensors require high accuracy calibration solutions. Atlas Scientific conductivity calibration solutions are made using a six-stage process to ensure the highest accuracy. If you need a certificate of analysis, just email...