A few months after its release, I finally got a hand on the Raspberry Pi Pico. It’s a microcontroller board featuring the RP2040, but don’t expect it to be like an Arduino UNO.
Read More »How to Use I2C Devices with Raspberry Pi
I2C is a popular device protocol in communicating with microcontrollers. However, this protocol is not limited to Arduino, PIC and STM32; the Raspberry Pi can also use I2C.
Read More »How to Send SMS with Raspberry Pi
It’s 2020 and sending SMS is now an old technology. But such technology remains to be a cheap and indispensable way to communicate over long distances. In this article, I will share how I send SMS with the Raspberry Pi.
Read More »Raspberry Pi Ultrasonic Sensor Tutorial
An ultrasonic sensor is a common tool for measuring the distance of an object in front of it. While I recommend using an Arduino with ultrasonic sensor to achieve real-time results, it is still possible to use the sensor with a Raspberry Pi. This tutorial shows you how to build …
Read More »Uploading Camera Images from Raspberry Pi to Website
For those who are looking to work with images on their projects, the Raspberry Pi offer enough tools to work with. This short tutorial will guide you on how you can take pictures using a camera attached to your Pi and then upload those camera images for use in a …
Read More »How the DHT22 Sensor Works
The DHT22 temperature and humidity sensor is a common sensor; in fact, there are tons of tutorials out there teaching you how to use it with your Arduino, Raspberry Pi or other microcontrollers. What prompted me to write about this sensor is my curiosity on how it gives out two …
Read More »Raspberry Pi Serial (UART) Tutorial
The serial port is a common way to “talk” to devices and is a feature that most microcontrollers and computers have. This Raspberry Pi Serial tutorial teaches you how to utilize the board’s UART feature in order to connect to a PC or to other microcontrollers and peripherals.
Read More »Raspberry Pi PWM and Servo Motor Tutorial
For the next part of series on Raspberry Pi, I will show how to produce a PWM signal from a pin. Moreover, I will show you how to control single and multiple servo motors in this Raspberry Pi PWM tutorial.
Read More »Raspberry Pi GPIO Tutorial
The Raspberry Pi is a Linux computer. But unlike most desktop and laptop Linux computers, users have access to a row of pins which can be used as inputs or outputs. These 40 pins are called GPIO (General Purpose Input Output) pins. This Raspberry Pi GPIO tutorial aims to help …
Read More »Using RFID with Raspberry Pi Zero
Using RFID cards and tags is a cool way to switch on anything, wirelessly. For example, you can create an e-lock for your room, check meeting attendance or use cards to control your robot. In this tutorial, we will add RFID functions to a Raspberry Pi Zero.
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