Add power supply to your prototypes
Adafruit DRV8833 DC/Stepper Motor Driver Breakout Board has the ability to drive either one motor or two motors in different directions.
SparkFun Breadboard Power Supply Stick - 5V/3.3V gives a selected output of 3.3V or 5V along with a voltage switch.
Voltage Regulator - 3.3V provides a steady output voltage.
The gShield for Arduino is a complete hardware solution for Dank’s CNC motion control system called grbl.
PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA+ helps you to recharge you battery on the go when you are doing your project.
Sparkfun Babysitter is an all in one solution to keep you project powered up for an extensive period.
Sparkfun Servo trigger is a small board that can control movements of servo motors.
AttoPilot Voltage and Current Sense Breakout - 180A is used to monitor the voltage and current sense.
PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ helps you to power up your project
Sunny Buddy - MPPT Solar Charger is a solar powered charger for Lipoly batteries
This current sensor gives precise current measurement for both AC and DC signals.
ACS712 Breakout is able measure the current for AC and DC signals