Tutorials: Voltage & Current Measurement

Voltage & Current Measurement

Lesson 19-2: Measuring Voltage from a Potentiometer and Displaying it on Screen
Lesson 19-2: Measuring Voltage from a Potentiometer and Displaying it on Screen

In this lecture, we learn how to use LCD screens: both 2-line and 4-line LCDs (LCD1602 and LCD2004)....

Lesson 10-2: Finding the Voltage of an Unknown Resistor Using Arduino
Lesson 10-2: Finding the Voltage of an Unknown Resistor Using Arduino

We first learn the difference between analog and digital. Then we learn what a potentiometer is and ...

Lesson 10-1: Reading Potentiometer Voltage with an Arduino
Lesson 10-1: Reading Potentiometer Voltage with an Arduino

We first learn the difference between analog and digital. Then we learn what a potentiometer is and ...

Lesson 98-9: LED Voltage Level Meter Using Arduino
Lesson 98-9: LED Voltage Level Meter Using Arduino

In this lesson, we learn how to use an LED and a push button in this 10-LED project. The wiring diag...

Lesson 104-1: Measuring DC Current Using a Shunt Resistor and Arduino
Lesson 104-1: Measuring DC Current Using a Shunt Resistor and Arduino

In this lesson we learn how to measure current using Shunt Resistor and Arduino. Please watch vid...

Lesson 106-2: Reading Voltage from a Potentiometer and Recording to Micro SD in CSV Format
Lesson 106-2: Reading Voltage from a Potentiometer and Recording to Micro SD in CSV Format

In this lesson, we learn how to use a Micro SD card. We learn how to write to the card and how to re...

Lesson 106-1: Reading Voltage from a Potentiometer and Recording it on Micro SD
Lesson 106-1: Reading Voltage from a Potentiometer and Recording it on Micro SD

In this lesson, we learn how to use a Micro SD card. We learn how to write to the card and how to re...

Lesson 109-3: Convert PWM Duty Cycle to Voltage Using MCP4725 12-Bit DAC with Arduino
Lesson 109-3: Convert PWM Duty Cycle to Voltage Using MCP4725 12-Bit DAC with Arduino

In this lesson, we learn how to use the MCP4725 12-bit Digital-to-Analog Converter (DAC). The chip a...

Lesson 109-2: Controlling the Output Voltage of the MCP4725 from Serial Monitor
Lesson 109-2: Controlling the Output Voltage of the MCP4725 from Serial Monitor

In this lesson, we learn how to use the MCP4725 12-bit Digital-to-Analog Converter (DAC). The chip a...

Lesson 110-6: Measuring DC Voltage and Displaying It on an LED Seven-Segment Display Using Two 74HC595s
Lesson 110-6: Measuring DC Voltage and Displaying It on an LED Seven-Segment Display Using Two 74HC595s

This code is to introduce the 74HC595 to drive 8 LED lights and turn them on from 0 to 8 one by one ...

How to Use the XYS3580 5A Step-Down/Step-Up 35V Constant Current Converter
How to Use the XYS3580 5A Step-Down/Step-Up 35V Constant Current Converter

The XYS3580 buck-boost converter is explained. Major components and the datasheet are reviewed. Set...

ZK-SJVA-4X 35W Step-Up/Down Constant-Current Converter Power Supply and Charger
ZK-SJVA-4X 35W Step-Up/Down Constant-Current Converter Power Supply and Charger

In this video, we will test and show you how to use it, how to set the current limit, and how to cha...