Circuit Boards & Components
Pololu Pololu 2851 5V, 5A Step-Down Voltage Regulator D24V50F5
Input voltage: 4.5 V to 38 V for the version that outputs 3.3 V Fixed 3.3 V, 5 V, 6 V, 7.5 V, or 9 V output (depending on regulator version) with 4% accuracy Typical maximum continuous output current: 2.5 A Integrated reverse-voltage protection, over-current protection, over-temperature shutoff, and soft-start Typical efficiency of 85% to 95%, depending on input voltage and load; the switching frequency automatically changes at light loads to maintain high efficiencies
$48.99
Pololu Pololu 1350 Micro Maestro 6-Channel USB Servo Controller (Assembled)
The six-channel Micro Maestro raises the performance bar for serial servo controllers with features such as a native USB interface and internal scripting control. Whether you want high-performance servo control (0.25 μs resolution with built-in speed and acceleration control) or a general I/O controller (e.g. to interface with a sensor or ESC via your USB port), this tiny, versatile device will deliver.
$44.99
Pololu Pololu 1083 Universal Aluminum Mounting Hub for 6mm Shaft, #4-40 Holes
These universal mounting hubs are designed to work with most 6mm shafts, including round and 'D' shafts. Each hub has six mounting holes for 4-40 screws (not included), letting you mount custom wheels or mechanisms to your motors. 4-40 hex set screws (two included for each hub) allow secure coupling of shaft to hub. A 0.05' hex wrench (often the smallest size in SAE Allen wrench sets) is included for use with the set screws.
$13.90
Pololu Pololu 1645 Force-Sensing Resistor: 1.5" Square
This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 1.5″ נ1.5″ (4 cm נ4 cm) active area With a force sensitivity range of a few grams to a few kilograms, this sensor is optimized for use in human touch control applications
$16.99