Why is a Resistor Needed for a LED?
A current limiting resistor is used in series with a Light Emitting Diode (LED). In this post we will explain why we need this resistor. LED Current and Voltage Specifications …
Calculators
Arduino LED Resistor Value Calculator
The Arduino [1] Input/Output (I/O) pins can be used to control an LED and make it blink. It does this, by turning the output pin on and off. Arduino Resistor …
ADC Voltage Divider – Calculator and Practical Examples
Introduction When a voltage is input to an Analog-to-Digital Converter, care must be taken that the max voltage spec of the ADC is not exceeded. This page provides a voltage …
Capacitor Tolerance Calculator
This tool calculates the minimum and maximum Capacitance values from its percentage tolerance. This % number can be found from the Cap data sheet. Calculator Enter The tool will provide …
Resistor Tolerance Calculator
This tool calculates the minimum and maximum resistance values from its percentage tolerance. This % number can be found from the resistor data sheet. Calculator Enter The tool will provide …