Raspberry Pi Print Server: Setup a Network Printer

In this tutorial, I will be going through the steps on how to setup a Raspberry Pi Print Server. The process of getting the software installed is pretty simple, but configuring it and getting a Windows network to find the print server is a bit more of an involved process. Setting up a print server is a simple way of bringing your regular USB printer to more modern standards without you having to shell out h ...

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Goodnight Pi: Reducing Raspberry Pi Power Consumption

At a high level the design consists of four major hardware components. These are the Raspberry Pi itself, the ATMEGA328P, the RTC, and the Power Control Circuit. The Raspberry Pi wakes up when the ATMEGA328P provides it with power, and performs some action or series of actions based on why it was woken up. It then shuts itself down and alerts the ATMEGA that it can turn off power to the Pi. The Raspberry Pi ...

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How to Find IP Address of Raspberry Pi using Python Script

The main problem while working with Raspberry Pi is to know the IP address of the Raspberry Pi, which will be needed to login into it using some SSH or file transfer client. So today we will share some Python scripts to find the local IP address of your Raspberry Pi on the network and display it on the 16x2 LCD Screen. We will also add the script in the Crontab so that it can be run on every 10 minutes and ...

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Raspberry Pi Emergency Light with Darkness and AC Power Line Off Detector

In this session we are going to make a 9WATT Emergency Lamp using Raspberry Pi and Python. This lamp will automatically detect the darkness and absence of AC power supply, and light up when there is power failure and proper light is not there. Although there are various emergency lamps available but they are purely dedicated to serve single purpose, like one Simple Emergency Light Circuit that we have creat ...

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Raspberry gPIo

Introduction Relative to its size the Raspberry Pi is a powerhorse of a computer – it can drive HDMI displays, process mouse, keyboard, and camera inputs, connect to the Internet, and run full-featured Linux distributions. But it’s more than just a small computer, it’s a hardware prototyping tool! The Pi has bi-directional I/O pins, which you can use to drive LEDs, spin motors, or read button presses. This ...

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Build a DIY Amazon Alexa

This tutorial will help you build your own Amazon's Alexa using a Raspberry Pi and MATRIX Creator, the first Microphone Array add-on for Raspberry Pi. We will use Alexa Voice Services (AVS), it is the service used by Amazon Echo that allows us to accomplish many of the challenging tasks in this project. Step 1: Parts that you'll need MATRIX Creator. Raspberry Pi 2 or 3 5V 2.0A Power Supply Speaker (Needs Au ...

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Lithium Ion battery HAT for Raspberry Pi

What is the Pi18650 HAT? The Pi18650 is an add-on HAT which plugs into the 40-pin connector on the Raspberry Pi. This HAT allows you to operate your Raspberry Pi without a power cable and can use various capacity 18650 Lithium Ion batteries. On board is a 1A battery charging circuit for charging the battery. This is an integrated unit, so no dangling batteries and perfect for on-the-go users. It also includ ...

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Home Monitoring With Wireless Sensor Nodes

Do you want to build an IoT-enabled home monitoring system that can measure environmental parameters and also detect intrusion but don't know where to start? This easy tutorial will deliver everything you need with only two major components: a Raspberry Pi and a Sparrow Wireless Sensor Node kit. No soldering, and minimal wiring needed! With this system, you will be able to remotely monitor and log temperatu ...

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Roller blind controlled via CORE2 and RPi

Make my roller blind move We think it is boring to open and close again and again roller blinds. It is simple to add some motor to make it move, but we want to control it via internet, so we decided to use Core2, because it provides IoT features in easy way. We wanted to create user-friendly DIY mechanism for roller blind, so we designed 3D printed elements. Assembly The elements of the enclosures are 3D pr ...

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4×4 Matrix Keypad with a Raspberry Pi and C#

I wanted to use a 4x4 Matrix Keypad in a Raspberry Pi project running on Windows 10 IoT Core, but I couldn't find any libraries that supported it. So, I had to write one myself. I found several Python libraries so I waded through those and figured out what they did. The C# GPIO libraries are built slightly differently so I had to work from that framework so the code didn't port exactly. The electronics part ...

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