How to interface Keypad 4×4 with Arduino


https://www.electronics-lab.com/interface-keypad-4x4-arduino/

In this tutorial we are going to learn some basics on using Keypad 4×4 on Arduino. by mybotic @ instructables.com This keypad consists of 4 rows x 4 columns of buttons. It is ultra-thin that it provides an useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the […]

35-second Arduino language reference


https://www.electronics-lab.com/35-second-arduino-language-reference/

A 35 seconds walk through the Arduino language specifications and how to use it. By reading the below, in 35 seconds you will have a complete knowledge of the Arduino programming language specifications. Then scroll to the bottom for how to use it. 35-second Arduino language reference – [Link]

Calendar- Time – Humidity and Temperature Arduino LCD display


https://www.electronics-lab.com/calendar-time-humidity-temperature-arduino-lcd-display/

Jordan Kreindler shows us how to build a Battery Saving LCD display that is a able to show Time, Date, Humidity and temperature using DHT22, RTC3231 and Arduino. The power saving mode here is what sets this Instructable apart from other examples showing day of the week, month, day of the month, time, humidity, and […]

External Hardware Monitor


https://www.electronics-lab.com/external-hardware-monitor/

Vincenzopaolo FlameE @ instructables.com shows us how to create an external hardware monitor based on Arduino and Nokia LCD display. Communication with the PC is done using Visual Basic program. Hi guys! Today I will show you how create an external hardware monitor with any Arduino board(in my case a pro micro board), a Nokia […]

How To Connect Multiple Buttons with MCU Using One Line


https://www.electronics-lab.com/connect-multiple-buttons-mcu-using-one-line/

One of the biggest problems you could face in your current/next project, is when you’re out of free inputs to use. Sometimes you can save a lot of inputs using some tricks, and there’re really a lot of them. In this blog post we’re going to know how you can use many push buttons using […]

FARMBOT Open-source CNC Farming Machine


https://www.electronics-lab.com/farmbot-open-source-cnc-farming-machine/

FarmBot is an open-source CNC farming machine designed for small-scale precision food production. Similar to any CNC milling machine, FarmBot hardware employs linear guides in the X, Y and Z directions for tooling. FarmBot tools include: seeder, watering nozzle, camera, weeder and soil sensor. FarmBot is powered by a Raspberry Pi 3, Arduino Mega 2560 […]

Arduino Proximity Alarm


https://www.electronics-lab.com/arduino-proximity-alarm/

Lucas Reed @ instructables.com has build a proximity alarm using Arduino and an ultrasonic sensor from Parallax. If a nearby object is approaching then the alarm will sound and an RGB LED will light up. He writes: An ultrasonic rangefinder and Arduino microcontroller will check for nearby objects and if need be, alert you with […]

Controlling DC motors with Arduino and L293


https://www.electronics-lab.com/controlling-dc-motors-arduino-l293/

This tutorial shows how to interface DC motors using L293D motor driver IC and Arduino. Controlling DC motors with Arduino and L293 – [Link]

How to interface OLED 0.96inch LCD with Arduino


https://www.electronics-lab.com/interface-oled-0-96inch-lcd-arduino/

This tutorial is going to teach you the basics on using OLED 0.96inch LCD128x64 with Arduino. OLED 0.96 inch is a monochrome graphic display module with a built-in 0.96 inch, 128X64 high-resolution display. OLED 0.96inch is able to work despite the absence of backlight. In a dark environment, contrast of OLED display is higher than […]

Send and Receive SMS with GSM SIM900 Arduino Shield


https://www.electronics-lab.com/send-receive-text-messages-sms-gsm-sim900-shield/

In this Instructable, you will learn how easy it is to send and receive SMS messages over GSM with Arduino. One of the essential elements of building IoT project is the ability to connect devices. Wi-Fi and Bluetooth are good low cost choices, but they work only at close ranges, or in hotspot areas. When […]