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  • WeakSignalTransmitter - part 3 - signal generation and testing

    bernhardmayer
    bernhardmayer
    It has been a long time since my last blog post (WeakSignalTransmitter - part 2 - filter design ) but the Si5351 is still not available and I had other things to do. But I managed to get a breakout board for the Si5351 and attached it to my filt...
    • 25 Apr 2021
  • Color Detector

    yesha98
    yesha98
     Things Required:Components1. Arduino Uno2. Arduino Nano3. Breadboard4. Jumpers5. Potentiometer6 LCD 16 * 27. I2C Module8. LDR Module9. RGB LED10. Resistors if needed. Software:Arduino IDE Analog to Digital Converter Module:ATMega328P ...
    • 17 Mar 2021
  • Drone Motor Thrust Tester

    milosrasic98
    milosrasic98
    Drone Motor Thrust Tester 1. Introduction 2. Idea 3. Plan 4. Design Mechanical design Main construction - wooden planks Main Plank Leg Plank Vertical Plank Bracing Plank Offcut Load cell and motor mount Motor Adapter Motor Plate 3D printed...
    • 16 Mar 2021
  • WeakSignalTransmitter - part 2 - filter design

    bernhardmayer
    bernhardmayer
    To get a fully (mostly) analog signal out of the Si5351 the signal needs to be filtered. regulatory limits and calculations I plan to use my transmitter mostly in the 50 MHz, 70 MHz and 144 MHz ham radio bands.Radio regulations say (at leas...
    • 16 Mar 2021
  • Final Countdown - ADC from scratch demo video

    baldengineer
    baldengineer
    www.youtube.com/watch In this video, I demonstrate how the visualized ADC (vADC) works. For the final version of the project, I put all of the analog electronics onto perma-protoboards. I really like working with these because they make converti...
    • 15 Mar 2021
  • HEART RATE MONITORING WRIST BAND

    tvaibhav
    tvaibhav
    Data ConversionEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll Heart rate, body temperature and blood press...
    • 15 Mar 2021
  • Micro Servo Tester #3 : Now With Pulse Generator! (Video now working)

    dubbie
    dubbie
    I have now written the code to produce pulses  to implement the pulse generator mode of the Micro Servo Tester, see the listing below. I have only included the pulse generatong function as that is the only part that has changed. void pulseg...
    • 15 Mar 2021
  • Digital Voltmeter

    harjinagi
    harjinagi
    Hello Everyone, My name is Harji Nagi. I am currently a third-year student studying electronics and communication engineering from Pranveer Singh Institute Of Technology (PSIT), Kanpur(Uttar Pradesh).I have a keen interest in robotics, Arduino, Artif...
    • 15 Mar 2021
  • Binary Search - The SAR ADC's best kept secret

    baldengineer
    baldengineer
    Inside of every successive-approximation-register-analog-to-digital converter (SAR ADC) is a digital-to-analog converter (DAC!) This DAC generates an analog voltage that gets compared to the input signal. By changing the DAC, it is possible to find...
    • 15 Mar 2021
  • WeakSignalTransmitter - part 1

    bernhardmayer
    bernhardmayer
    Foreword This project is built around the clock generator Si5351 from Silicon Labs ( https://www.silabs.com/timing/clock-generators/cmos/device.si5351a-b-gm#specs  ). Unfortunately this device seems to have a very bad availability and I don...
    • 8 Mar 2021
  • DrawBo-A complete artist in itself

    ethan12
    ethan12
    The initial idea was to make a robot named “DrawBo” which can draw and teach drawing. But now this idea has been broadened to drawing on the glass, or on the fabrics .Apart from this, the robot can make a sketches and drawing of anything and everythi...
    • 8 Mar 2021
  • Rough vADC demo, ADCing

    baldengineer
    baldengineer
    players.brightcove.net/.../index.html   Short update. During my live stream today, we played with a small TFT LCD module. I shot this short video after the stream. It demonstrates the ADC digitizing an input voltage of 4.23 volts. Notice the 4-...
    • 7 Mar 2021
  • SERVO MOTOR CONTROL WITH ARDUINO AND SERVO ULTRASONIC SENSOR

    tvaibhav
    tvaibhav
    COMPONENTS REQUIRED: 1. ULTRASONIC SENSOR(HC-SR04) 2. SERVO MOTOR 3. ARDUINO UNO BOARD   CONNECTIONS:   CONNECTIONS copy code from here   #include <Servo.h>   Servo servo1; int trigPin = 9; int echoPin = 8; long distan...
    • 6 Mar 2021
  • WIRELESS ELECTRICITY TRANSMISSION

    tvaibhav
    tvaibhav
    INTRODUCTION this project is based on the principle of  electromagnetic introduction, this phenomenon was discovered by an English scientist Michael Faraday in 1831 , according to this principle if a conductor is placed in a varia...
    • 6 Mar 2021
  • Micro Servo Tester #2 : Now With OLED Display and Button

    dubbie
    dubbie
    I have made some progress with my combined servo tester and pulse generator project. I am happy with the servo tester part so I have decided to add an OLED display (128 x 64) and a button to select different modes. The Servo Tester will be the first...
    • 6 Mar 2021
  • Sample and Hold - vADC | Part 3

    baldengineer
    baldengineer
      A SAR ADC generates voltages through a DAC and then compares that analog voltage to the input voltage. This search takes some amount of time. If the input voltage changes while the search happens, then the search would fall apart. A "sample a...
    • 5 Mar 2021
  • Oscilloscope on a 24-bit ADC chip ADS1256.

    maxpowerr
    maxpowerr
     Introduction     I have a module on an ADS1256 chip. I bought this module for experimenting with homemade geophones. But since spare parts for geophones will be arriving for a long time, I decided to experiment with this mod...
    • 2 Mar 2021
  • Blinken' and Clicken' the DAC for vADC | Part 2

    baldengineer
    baldengineer
    players.brightcove.net/.../index.html   One of the key reasons I wanted to build a SAR ADC is its heart is a digital-to-analog converter (DAC). So it is a two-for-one project. As a quick summary, a SAR ADC uses a DAC to generate analog voltage...
    • 1 Mar 2021
  • Micro Servo motor Tester #1 : The Initial Prototype

    dubbie
    dubbie
    For the Data Conversion Project14 challenge I decided that I wanted to use a multi-turn potentiometer so I have started to make a micro servo motor tester. I have wanted a  servo motor tester for some time but didn't want to spend any money, pl...
    • 25 Feb 2021
  • AquaLoop: 4-20mA current loop based water level indicator

    navadeepganeshu
    navadeepganeshu
    This is project AquaLoop, design of 4-20mA current loop based water level indicator for all sized water tanks. The main target is to make the system robust, low noise, less lossy over a distance for signal transmission. I am using a BC547 based wate...
    • 18 Feb 2021
  • Force Sensitive Resistors and a USB ADC

    dougw
    dougw
    I finally am well enough to get down to my workshop, so I figured I had better try to get a project done before I get incapacitated again.   Project Description This project is an exploration of implementing an analog to digital converter witho...
    • 15 Feb 2021
  • DAC: Class-D signals

    Jan Cumps
    Jan Cumps
    Topic: Keep an analog signal digital as long as possible - including the power amplifier - and by doing that, avoid all that efficiency losses (and heat generation) of analog amplifiers.   When you think about a DAC, you often imagine a mechan...
    • 12 Feb 2021
  • Monitoring and analysis of activities of senior citizens on old age home

    areeb210
    areeb210
    players.brightcove.net/.../index.htmlIn this modern era of technology everything is designed to be accessible from Internet, the idea andmethodologies of smart products and services are much more easily accessible and people interest with respect to ...
    • 12 Feb 2021
  • Visual ADC - How an ADC converts a voltage into a digital value, Introduction | Part 1

    baldengineer
    baldengineer
    Any physical quantity in our world has to be converted to a voltage to be measured in electronics. Even if you have a sensor that outputs a digital bus like SPI or I2C, inside of that sensor is an ADC. There are many types, with Flash, SAR, and Sig...
    • 8 Feb 2021
  • Analog Audio in, split into Freq Bands, amplitude exceeds band thresholds, drives MOSFET  (i.e. light organ)

    robogary
    robogary
    Data ConversionEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an EntrySubmit an Entry  Back to homepage Project14 HomeMonthly ThemesMonthly Theme Poll Video of Light Organ project in actionhttps:...
    • 30 Jan 2021
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