In this tutorial, I’ll show you how to build a voltage meter with Arduino Uno, able to deal with a 0-30V range. This tutorial provides the coding, wiring diagram and component list. To measure a range from 0V to 30V, a voltage divider circuit enables you to linearly reduce the input to 5V and create […]
Voltage Meter with Arduino Uno: Measure up to 30V Read More »
In this tutorial, I’m going to show you how to connect and use a PIR with Raspberry PI computer boards using Python. Projects involving motion detection actions require a reliable way to run their code when an object movement happens. One of the most common solutions to accomplish this task is by the HC-SR501 PIR
Motion Detection with PIR and Raspberry PI: HC-SR501 wiring and Python Code Read More »
In this tutorial, we’ll connect and use an SG90 servo motor with Arduino Uno. This tutorial provides the coding, wiring diagram and component list. We’ll learn how to use the servo motor to perform 0 to 180 degrees movement by using Arduino programming. To control a motion within specified degrees, such as turning a robot,
SG90 Servo Motor Interfacing with Arduino Uno Read More »
In this tutorial, I’m going to show you how to use an I2C OLED display (SSD1306) with Raspberry PI Pico. Please note that, if you have an LCD display, you must refer to my Using I2C LCD display With Raspberry PI Pico and MicroPython tutorial. OLED displays with Raspberry PI Pico allow a cool way
Add an OLED display to Raspberry PI Pico with MicroPython Read More »
In this tutorial, the nRF24l01 wireless sensor interfaced with Arduino Uno, dealing with RF communication. This tutorial provides the coding, wiring diagram and component list. We’ll learn how to use the nRF24L01 transceiver modules to create wireless communication between two Arduino boards in this article. When utilizing Arduino, the nRF24L01 module is a common choice
Radio Frequency (RF) communication by nRF24l01 with Arduino Uno Read More »
In this tutorial, I’m going to show you how to install LimeSurvey on Raspberry PI computer boards (excluding Raspberry PI Pico, as it is a microcontroller). How many times did you need to ask your friends for an opinion or a vote? Some Google modules can help this but when you want to privately host
Self-host your Surveys with LimeSurvey and Raspberry PI Read More »
In this tutorial, we’ll interface the current sensor (ACS712) with Arduino Uno, dealing with current sensing and utilization for current control. This tutorial provides the coding, wiring diagram and component list. To measure the current passing through the wire, ACS712 is the best current sensor to deal with, as it can measure up to 5A
Current Sensor (ACS712) with Arduino UNO: Using the Hall Effect Read More »
In this tutorial, the fingerprint sensor interfaced with Arduino Uno, dealing with finger enrollment and utilization for attendance. This tutorial provides the coding, wiring diagram and component list. To deal with the attendance system finger is more effective than card reading technology. In this work, the fingerprint sensor with Arduino performs enrollment and recognition of
Fingerprint Sensor with Arduino: FPM10A Explained for Beginners Read More »
