While the default configuration of your Raspberry Pi doesn’t support reading analog input, you can enhance its capabilities by utilizing an MCP3008 I/P ADC chip, enabling analog input functionality. By establishing a connection between your Raspberry Pi and an MCP3008 I/P chip, you can leverage the power of SPI to read a maximum of 8 […]
Enabling remote monitoring and control of the GPIO pins on your Raspberry Pi through the web is a great way to enhance the capabilities of your projects. This article focuses on demonstrating how to set up a web server on your Raspberry Pi that can receive REST API calls in JavaScript. It will also guide
How to use Raspberry Pi to control a Servo via the Web Read More »
Raspberry Pi is a popular board based on the ARM architecture, specifically designed for electronic engineers and hobbyists. It has gained a strong reputation as a reliable platform for project development. With its increased processor speed and 1 GB RAM, Raspberry Pi can be utilized in a wide range of high-profile projects, including image processing
DC Motor Control with Raspberry Pi Read More »
Introduction This article will provide you with an introduction to using the PiCamera, the integrated webcam on the Raspberry Pi. The PiCamera is a valuable accessory that offers the capability to capture high-definition images and videos, making it an excellent tool for exploring the Raspberry Pi’s potential. Additionally, it enables image analysis in Python through
PiCamera & Python – programming a webcam on Raspberry Pi Read More »
These motors are exceptionally affordable and offer remarkable accuracy thanks to their 1/64 gearing. Each step of the motor corresponds to a movement of approximately 0.087890625°. However, it’s important to note that the gearing mechanism is made of plastic, which means that it may experience wear and tear over time, particularly when handling heavy objects.
Driving a 28BYJ-48 Stepper Motor & ULN2003 driver with a Raspberry Pi Read More »
The Raspberry Pi is widely recognized as the most popular single-board computer. Given its nature as an embedded microcomputer, the acquisition of data is almost indispensable in Raspberry Pi. While the Pi is equipped with several GPIO (General Purpose Input/Output) pins, it lacks a built-in or onboard analog-to-digital converter. Consequently, the Pi itself cannot directly
How to read analog signals in Raspberry Pi using ADS1015/ADS1115 Read More »
One interesting way to test the Raspberry Pi Camera on a Raspberry Pi 3 is by creating a prototype that captures a picture when a button is pressed. This activity allows us to gain hands-on experience in: – Connecting a button to the GPIO ports of a Raspberry Pi. – Setting up the camera using
Building a Raspberry Pi 3 prototype camera that takes a picture at the press of a button Read More »
Introduction This is the follow-up article to the one published last week, which focused on the technical aspects and operational details of PIR motion sensors (read it here). In this article, we will delve into the practical applications of PIR motion sensors, specifically in conjunction with a Raspberry Pi board (in my case, a Raspberry
PIR motion detector – a sensor for Raspberry Read More »
There are now various infrared (IR) camera sensors available for electronics enthusiasts, which enable the measurement of thermal radiation. By incorporating a microprocessor, these off-the-shelf sensors can be transformed into fully functional thermal cameras. It is important to note that the resolution provided by these sensors is lower compared to commercially available thermal cameras. However,
How to Use a Thermal Camera with a Raspberry Pi Read More »
In the current era, security is a major concern, and the market offers a wide range of surveillance and security systems. However, these solutions can be quite expensive and may come with their own set of problems that are difficult to resolve. In a previous project, we constructed a surveillance camera capable of streaming live
IoT based Smart Wi-Fi doorbell using Raspberry Pi and PiCamera Read More »
