SparkFun Variable Load Kit SF_WiFi We even made the breakout

We even made the breakout 5V compliant

If you need a pH or ORP electrode have a look at:

The HS-85BB features a high power motor for greater speed and torque

56 DMIPS/MHz

(The color-independent brightness is modulated separately at about 600 Hz)

SparkFun Variable Load Kit SF_WiFi We even made the breakoutThe SparkFun Variable Load Kit is a quick to assemble board designed to allow users to draw a specific amount of current from a voltage input. This kit can be used to test stability of the power supply under various loads, battery lifetime, safety cutoffs and other design elements. The Variable Load Kit can test supplies of up to 30V at currents ranging from a few mA all the way up to 4A. The Variable Load board is meant to work with one of two output