Arduino antenna tuner. Eagle Schematic Source Files.

Arduino antenna tuner. Aug 5, 2024 · Customized Arduino Bootloader. 7 stars Watchers. I know there are some problems and I havent put all teh button switching features in but i wanted to get some input on this. #include <Wire. 0 forks Report Aug 17, 2015 · Hello group, I am new to Arduino, like most I have purchased a couple Arduino's, and some different shields. It runs on 110VAC, but can be switched to run on 220VAC. The tank circuit is well constucted using heavy duty parts. It will find the minimum VSWR and corresponding frequency for each band but also will display a realtime VSWR for a user-selected frequency to facilitate antenna adjustment. I am a Ham (Amateur) Radio Operator and am gathering material for constructing a Magnetic Loop Antenna. This would make a great addition to any HF ham Arduino automated antenna switch, CW Keyer, Automatic Antenna Tuner, RF PWR and SWR Meter, APRS Tracker, Beacon Controller, antenna switch, Rotator Controller, Arduino as an SDR. ARDUINO ATU for EFHW 20/40m antenna & Icom TRX This project describes an ARDUINO based automatic antenna tuner, for an end fed half wave (EFHW) antenna, dual band for 20 & 40m. Eagle Schematic Source Files. com/arduino-antenna-tuner/Code: https:/ make and automatic antenna tuner based on arduino and using economic card this atu project can be installed outdoors and controlled remotely by an rs485 link. It is not complete by any means. In each position, the capacitor makes a This project describes an ARDUINO based automatic antenna tuner, for an end fed half wave (EFHW) antenna, dual band for 20 & 40m. So, when a tuner with a roller inductor finally came my way, I figured out what I was going to do with it -- make it an auto-tuner. It can be either directly connected to a radio by Mar 31, 2012 · www. The magnetic loop antenna that is described on this page is part of the mobile radio shack described below. I try to work one function at a time. Dec 27, 2022 · arduino ham-radio bluetooth amateur-radio antenna kicad rf shortwave amateurradio antennas radio-amateurs antenna-tuner Updated Nov 10, 2019 KD9QZO / ATU100-EXT-FW-PIC18F2520 Jul 4, 2015 · Download K3NG Arduino Antenna Tuner for free. An automatic tuner could solve that problem by re-tuning the antenna whenever the frequency is changed on the radio. ; images folder has some pictures about this project Apr 14, 2023 · Ham radio allows for the broadcast and reception of non-commercial radio signals across vast distances with relatively inexpensive equipment. When the Arduino senses an SWR over a configurable threshold, the unit begins a tune sequence in which numerous relay combinations are tried to find the best match within Jan 17, 2017 · A homemade semi-automatic antenna tuner for HF controlled by an Arduino Nano. It worked so well that I haven’t built another one and the prototype continues to be used in my shack on a nearly daily basis. Jan 15, 2014 · First of all, I am totally ignorant on robotics, Arduino and programming. Apr 27, 2012 · This is version 2 of my demo for an arduino antenna tuner. Antenna Tuner User Manual. A non-narrated demonstration of the open source K3NG Arduino Antenna Tuner. com Here is a video showing the JW MIller AT-2500 HF Ham Radio Automatic Antenna Tuner. This project realization is for 'advanced' OM's Jul 29, 2018 · In this Instructable I'll show you how I built a low-cost antenna analyser which can measure an antenna and display its VSWR over any or all of the HF frequency bands. This tuner covers 80-10 meters & will handle 2Kw+ of power. do the motors the verify, do the relays then verify etc. h> #include <LiquidCrystal_I2C. Feb 1, 2018 · Standing Wave Ratio or SWR is sensed by the Arduino by feeding a forward RF detected voltage and a reverse RF detected voltage from an SWR bridge into two Arduino analog pins. h> #include <AFMotor. Using a relay (controlled by the Arduino) the inductance can be switched between half and full. com/k3ng/k3ng Apr 25, 2015 · Arduino automated antenna switch, CW Keyer, Automatic Antenna Tuner, RF PWR and SWR Meter, APRS Tracker, Beacon Controller, antenna switch, Rotator Controller, Arduino as an SDR Antenna analyzer with Arduino - HF Antenna analyzer with Arduino Nano, open software has also become a RF PWR and SWR Meter with Arduino - This sketch will read RF power and SWR from any SWR bridge, designed t SWR / Wattmeter with Arduino Uno Shield - SWR / Wattmeter with Arduino Uno Shield. 0 license Activity. Jul 16, 2015 · Hello group, I am new to Arduino, like most I have purchased a couple Arduino's, and some different shields. hamradiofinds. There are 3 steppers, one for each of the variable components in the matching network. Furthermore I build a simple L-tuner with a fixed coil and a rotating capacitor (400pF). I am learning to add a few lines and test. Not sure why -- I have one of those LDG auto tuners that works just fine. the RF matching circuit is a going to In order to more easily develop the loop tuner firmware/software, I built a magnetic loop simulator. This amateur radio shack belongs to the call sign DD2KH. Stars. 2 watching Forks. radioartisan. In this version I swapped the coil with a new, somewhat larger one, which has an extra connection about halfway. An alternative antenna is the magnetic loop design which has a tall circle of copper […] Arduino Antenna Tuner by K3NG I have built one unit which was intended to be a prototype. This project realization is for 'advanced' OM's I am hereby publishing all information I have on hand, so what is missing must be experimentally defined in your setup ! This is an Arduino controlled HF amateur radio antenna tuner. please comment #include <Stepper. The antenna is a 33' vertical, but in order to make it a multi band HF antenna i need a means to remotely tune the antenna. This code is no longer hosted here and is at https://github. It has one input & 5 outputs, including one long wire connection. Listed under the Technical Reference/Arduino category that is about Ham Radio - Arduino Projects. Readme License. Appendix: Mobile Radio Shack. Project website: https://blog. I haven't finished the relay code in the loop yet. As the name implies, ham radio relies on antennas to function, and most designs can take up large amounts of space. Aug 5, 2024 · The tutorial of a DIY magnetic loop antenna for the amateur radio band featuring a remote tuning system implemented on Arduino with a RC servo. Antenna Tuner Control Unit Firmware. Magnetic Loop Antennas are cool for size constraints, but suffer from low bandwidth. this project describes an arduino based automatic antenna tuner for an end fed half wave efhw antenna working on 20 40 meter bands. It features a balanced output and switched capacitor and inductor banks and can handle 150 wat I've been looking for an inexpensive antenna tuner with a roller inductor for a while -- "inexpensive" is why I've been looking for a while. Arduino-based Amateur Radio Antenna Tuner. If you didn't guess I am a ham. 0 stars arduino servo arduino-firmware antenna antenna-tuner Resources. h> // HF_Vert_Tuner Pi-L network //Stepper1=Variable Inductor (10 turns) //Stepper2= Variable . Jan 6, 2014 · To automate tuning, an Arduino switches a bank of capacitors and inductors in and out of the circuit. I have play a little bit with sketches, read lots etc My project is a remote antenna tuner. It can be used to build a tuner box by using a 3D printer. I connected an old SWR meter to one of my Arduino boards. The 30 Best Ham Radio Links of 2015 DIY Arduino based Automatic Antenna Tuner How about building your own smart-tuner? This is L-C-L matching network antenna tuner build and designed by K3NG, using an Arduino Sep 28, 2015 · So i rewrote the folling sketch for the Easydriver. . Nov 4, 2011 · I wanted to demonstrate that it is very easy to build an automatic antenna tuner with the Arduino. By varying the load, it can find the ideal matching for the given antenna and frequency. Jul 23, 2015 · I have everything you mentioned still no go. MagLoop Tuner does exactly that, by having a set of calibrated values and estimating the variable capacitor position for each frequency change. It can measure from 2 to 200 Dec 22, 2012 · What is being discussed here under the slang "QRP Adjuster", is an automatic antenna tuner, and a variety of such devices for various applications are commercially available. Bill of Material. This also uses a Nema 17 stepper motor to drive a small variable capacitor via a worm gear and gives a reduction ratio of 20:1 so similar to the real magnetic loop antenna. GPL-3. It is not at all unreasonable to "roll your own" and research on the more meaningful term "automatic antenna tuner" will reveal plenty. Click here to see a video that shows the box example project with the Android and Arduino Antenna Tuner. Arduino-based Automatic Amateur Radio Antenna Tuner with support for Arduino Mega & MQTT Resources. h> #define DIR_PIN 4 #define STEP_PIN 5 #define ENABLE_PIN 6 # Box_3D_Printer folder is about a box project to use with this project of antenna tuner on Alexloop Magnetic loop antenna or similar. This is what the stepper motor and Arduino come in. Tuning for the antenna will be with a butterfly capacitor.

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