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  • Building a Coil Winding Machine: Part 1: Prototype

    Building a Coil Winding Machine: Part 1: Prototype

    shabaz
    shabaz
    Introduction I recently had a need to wind a thousand turns of wire or so on a bobbin, but I might have needed to repeat it a few times each time the coil design needed tweaking. I needed a coil winder! This project might also be useful for&nbsp...
    • 25 Sep 2023
  • A DIY Pi Ballistic Smart Scope

    jackT
    jackT
    Hi!  I thought I would share my project from this past year, currently taking a month or two break to reach out to those who might be interested in building one.   www.youtube.com/watch This is the "Jaccuracy Scope", a fully customizab...
    • 18 Sep 2023
  • Creating a Pi Pico based High-Resolution Measurement Instrument

    shabaz
    shabaz
    This blog post contains at least two topics, both (hopefully) interesting. One topic concerns how to code new functionality into an exciting open source project called the Pico SCPI labTool. The end result discussed here provides four analog voltage ...
    • 12 Aug 2023
  • Raspberry Pi Arcade HAT

    celcius1
    celcius1
    So I thought I'll let people know I have been working on a HAT for the Raspberry Pi, to allow easier implementation of a four player arcade with revenue service capabilities. I have a YouTube video going over the circuit and PCB design.  https:...
    • 21 Jun 2023
  • Sending WhatsApp message from Esp8266

    bidrohini
    bidrohini
    Whatsapp has made communication very easy. We can send calls, messages, and video calls from anywhere in the world. All we need is Wi-Fi or mobile data. There is no charge. We can receive notifications from a gas sensor on our mobile phones through W...
    • 19 May 2023
  • Raspberry Pi Project What do I do next? Help me decide what I should make next please!?

    gam3t3ch
    gam3t3ch
    With the shortage soon to be a thing of the past. (knocks on wood)  We hope with the news that Eben stated in a few interviews. This is great but looks like Raspberry Pi 3's are going to be some of the first back in the 3rd quarter available to...
    • 17 May 2023
  • Emergency Calling System with SIM800 and Raspberry Pi 4

    Building an Emergency Calling System with SIM800 and Raspberry Pi 4 with IVR System

    Lil_Annie
    Lil_Annie
    In emergency situations, quick communication can be a matter of life or death. That's why the Emergency Calling System with SIM800 and Raspberry Pi 4 was created – to provide a reliable and cost-effective communication system during critica...
    • 19 Apr 2023
  • Math game with Raspberry Pi Pico

    Math game with Raspberry Pi Pico

    bidrohini
    bidrohini
    Have you played number games with ChatGPT? It can play  some math games with you. In earlier days of its development, one of such games were the math solving game. It asked you arithmetical questions one by one. And you had to answer. It co...
    • 23 Mar 2023
  • Happy Pi Day!! - RPi RP2040 Floppy Disk Controller

    ralphjy
    ralphjy
    Another Pi Day and time for another Pi project  . About a year ago Lady Ada from Adafruit did a video series on using MCUs to read from floppy drives low cost and easily available floppy interface hardware.  Amongst the the MCU boards ...
    • 14 Mar 2023
  • Adding Low-Cost Flash Memory Storage to Microcontrollers

    shabaz
    shabaz
    Table of Contents Introduction Connecting Flash Memory to Microcontrollers Reading/Writing to Flash Memory Using a File System Trying out the Code Summary Introduction There is often a need to store data in some form of non-volatile memory. It ma...
    • 11 Feb 2023
  • PicoChroma : Ambient / Photo / Video Camera Lighting

    shabaz
    shabaz
    Table of Contents Introduction What’s wrong with Off-the-Shelf? Building and Running the Prototype Color Temperature: What is it? Blending Colors Compile-Time vs Run-Time Calculations Creating New Projects with PicoChroma Calibration 1: Esta...
    • 18 Jan 2023
  • Use a Raspberry PI Zero W as a Wireless Print Server - Jetdirect now - Port 9100 - Raw queue

    feiticeir0
    feiticeir0
    Hi all. This is an updated version of my previous blog post - Use a Raspberry PI Zero W as a Wireless Print Server One problem of old printers is that they don't have network connectivity and or can't be shares with more users - unless the computer w...
    • 16 Jan 2023
  • Easy 7-Segment Displays

    shabaz
    shabaz
    Table of Contents Introduction Circuit Printed Circuit Board Prototype Driving the Display Summary Introduction There are lots of nice character and graphic displays, but sometimes all that’s needed is to be able to show a few digits. Bare ...
    • 6 Jan 2023
  • Getting Started with the MicroPython in PyCharm for Raspberry Pi Pico.

    maxpowerr
    maxpowerr
    This article is for those who have played enough with simple IDEs like Thonny and Mu Editor. Who needs an advanced Python development environment with cool features like code completion, debugging, error highlighting, and to help you write better Pyt...
    • 6 Jan 2023
  • USB-C Power Delivery – Getting Voltages out of a Charger using Pi Pico and Python!

    shabaz
    shabaz
    Introduction December has been a good month for USB-C Power Delivery projects and experimentation. I hope it continues into the next year. Here are some new blog posts that were created during December! They could be of interest to anyone curious abo...
    • 1 Jan 2023
  • BP Classification & announcing Results over Voice Using Pi3

    BP Classification & announcing Results over Voice Using Pi3

    Akarshcetech
    Akarshcetech
    In this Upgrade Project, I Have provided the following parameters 1. SpO2 2. IR Temperature Sensor 3. LCD Display 4. Voice Broadcasting 5. Data Saving For Future ML Training I added the basic details of different Classifications of blood pres...
    • 3 Dec 2022
  • Pi Pico in Industrial Fan Control

    kmikemoo
    kmikemoo
    Back in Experimenting with Thermistors, I described the challenge I had with Bitcoin miners heating the warehouse area I use as a training space.  Recently, we had three small upper windows installed that I can open.  The original wind...
    • 23 Oct 2022
  • help: how do I use the Pico USB as COM port, with support for RX interrupt?

    Jan Cumps
    Jan Cumps
    I know how to use plain UART on the Pico, with receive interrupt. See advanced_uart.c. I also know how to make the UART show and work as a COM device. See hello_usb makefile. I'm looking for help on the following: use the USB as a COM, and ...
    • 19 Oct 2022
  • Using a Raspberry Pi PICO-W to retrieve and display real-time train arrivals on a 20x4 character OLED

    BigG
    BigG
    Introduction In this blog I explain how I created a solution, which displays real-time train arrivals data for a station platform (i.e. in one direction) on a 20x4 character OLED display using a Rasberry Pi PICO-W board. The motivation behind this p...
    • 3 Oct 2022
  • Display setup

    imalias
    imalias
    I saved up for 6 weeks  to buy a 7" Touchscreen and I don't know how to install it on my Raspberry Pi B+ V1.2 because there are no instructions in the box and I can't find them online.  The box doesn't even say what model s...
    • 24 Sep 2022
  • Raspberry PI 4 Water Cooling

    feiticeir0
    feiticeir0
    Hi all ! Hope everyone is well. Just want to share my latest project - a water cooled Raspberry PI. Why ? Well, since I was a teenager (I'm from the 80s) that I wanted to have a Water cooled Desktop PC.  I first saw one in 2004 at a Lan Party (...
    • 9 Sep 2022
  • Multiple DS18B20 Temp sensors interfacing with Raspberry Pi

    vinayyn
    vinayyn
    Interfacing Nine DS18B20 Temperature sensors with Raspberry Pi and Displaying sensor data Using Python I have gone through some tutorials for interfacing the DS18B20, In those, They have given the explanation of how to interface the DS18B20 using Ar...
    • 9 Aug 2022
  • Building SDR++ from source code on a Raspberry PI 4 4GB

    TekMaker
    TekMaker
    SDR++, The bloat-free SDR software Here is the link to my video for this  https://youtu.be/DJfWr0Wvxq8 This assumes that you have already installed your SDR drivers, for the RTL-SDR I use the Osmocom ones from https://www.rtl-sdr.com/rtl-s...
    • 8 Aug 2022
  • Receiving Weather Satellites on a Raspberry Pi or Linux

    TekMaker
    TekMaker
     I found it necessary to create this article for a few reasons Most of the YouTube/Instructables focus on aerials or only Windows installation The ones that are for the Raspberry Pi are out of date A url has changed which prevents WxToImg updat...
    • 8 Aug 2022
  • Pico IoT LoRaWAN EasyNode

    shabaz
    shabaz
    Table of Contents Introduction What does it do? How Does it Work? Circuit Diagram Building It Current Features Future Features Known Defects Security System Power Controller Firmware Pico Firmware Optionally Building the Pico Code Configuring It Ex...
    • 27 Jul 2022
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