SparkFun Breadboard Power Supply Stick - 5V/3.3V SF_Keypad and the amount of noise

and the amount of noise on the supply line

The power connections (VIN

elegant case

but the voltage on the OCM pin will not accurately reflect the motor current

SparkFun Breadboard Power Supply Stick - 5V/3.3V SF_Keypad and the amount of noiseThe SparkFun Breadboard Power Supply Stick is a very simple board that takes a 6 12V input voltage and outputs a selectable 5V or 3. 3V regulated voltage. All headers are 0. 1\" pitch for simple insertion into a breadboard. Input power can be supplied to either the DC barrel jack or the two pin header labeled + and . Output power is supplied to the pins labeled GND and VCC. Board has both an On Off switch and a voltage select switch (3. 3V 5V). The