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ZIMBABWE
Arduino based frequency synthesizerПоследние изменения 06.04.2022, Версия 1.5Добавлены:режим калибровки синтезатора;второй режим работы опорного генератора, дублирующий основную частоту, без учета ПЧ;...
VFO_NANO_LCD_SI5351
2061
0
9
Maksim EW7DDR
Maksim EW7DDR
BELARUS
132
158
Переключение трансивера в режим передачи производится при включении переключателя S1 «Упр.». При этом срабатывает реле К3 в блоке УМ. Это реле в зависимости от режима работы подключает антенну либо ко...
Основная плата трансивера Аматор КФ
1585
0
5
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
In this tutorial, you will dive into the depths of this amazing device and discover its limitless potential in signal and frequency generation.Join me as we explore all the functions and features of t...
Exploring the potential of the SI5351 module in electronic projects
1268
0
2
CarlosVolt Tutoriales
CarlosVolt Tutoriales
ARGENTINA
17
30
Description:Problems with local QRM on HF? Often the answer is "yes". No matter if it's the elevator controller or an arcover on the high voltage line next to the garden. Most trouble comes from the l...
QRM Eliminator X-Phase (Фазовый подавитель помех)
749
0
6
Maksim EW7DDR
Maksim EW7DDR
BELARUS
132
158
uSDX is a simple and experimental (Class-E driven) SSB and CW SDR transceiver. It can be used to make QRP SSB contacts, or (in combination with a PC) used for the digital modes such as FT8, JS8, FT4. ...
USDX part 5
804
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
132
158
uSDX is a simple and experimental (Class-E driven) SSB and CW SDR transceiver. It can be used to make QRP SSB contacts, or (in combination with a PC) used for the digital modes such as FT8, JS8, FT4. ...
USDX part 4
822
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
132
158
uSDX is a simple and experimental (Class-E driven) SSB and CW SDR transceiver. It can be used to make QRP SSB contacts, or (in combination with a PC) used for the digital modes such as FT8, JS8, FT4. ...
USDX part 1
1888
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
132
158
Конструкция является дальнейшим развитием синтезатора на Si5351 из китайских модулей. Архитектура синтезатора осталась практически без изменений:Процессор - Arduino Nano 328Дисплей - 2.8" SPI TFT ILI9...
Universal Digital VFO Si570/Si5351 part 2
989
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
132
158
Самый простой частотомер построенный на микроконтроллере ATtiny2313. Он позволяет измерять частоты до 10 МГц в четырех автоматически переключаемых диапазонах. Наименьший ...
Frequency counter on ATTINY2313
1020
5
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
132
158
Simple but effective 2,4 Ghz jammer. This module can block BT and WIFI, to block spying wifi cameras or loud neighbour using bt speaker. I designed it so that the cost of making this was as low as pos...
Bluetooth and WIFI jammer
5858
4
10
Norbert Norbi
Norbert Norbi
POLAND
7
0
This project is about MC3362 and ADF4351 based modularized, 2-meter narrow band FM receiver. In this design, the receiver splits into three modules as RF preamplifier, MC3362 tuner, and ADF4351 oscill...
Narrowband FM receiver for 2-meter band
4266
1
2
Dilshan Dilshan Ranmal Jayakody
Dilshan Dilshan Ranmal Jayakody
SRI LANKA
14
0
IntroductionTo test the ArduTrx or transceivers in general a dummy load is a handy device (https://en.wikipedia.org/wiki/Dummy_load). It is connected to the HF output of the transceiver and burns all ...
ArduTrx Attenuator or Dummy load
1309
4
0
Alexiev
Alexiev
BULGARIA
121
0
Corrected version of the board. ULN2003/ HK4100F
LPF for TRX
1037
0
4
SHAMILOV ANTON SAJDASHEVICH
SHAMILOV ANTON SAJDASHEVICH
KAZAKHSTAN
4
1
Simple transceiver control interface, fully galvanically isolated.The printed circuit board is made to fit the dimensions of the case from an aluminum profile, measuring 40x97x100 mm.It is possible to...
HAM DIGITAL INTERFACE PC->TRX
1710
0
4
GENNADIY KUZMICHYOV
GENNADIY KUZMICHYOV
KAZAKHSTAN
50
79
Lobot was an exercise to design a programmable, expandable, Bluetooth controlled robot at the lowest possible cost. Having purchased a few robot kits for my kids I noticed the thing they loved most wa...
Lobot - The low cost robot
1476
0
2
Alex Kendon
Alex Kendon
NEW ZEALAND
2
2
This is FPV drone Racewire with LED the idea here is to replace the Wires with a PCB board to reduce chanced of damaging motor wires in crash.Parts needed:Color LED: http://bit.ly/2kVDCwiWhite LED: ht...
FPV DRONE LED RACEWARE DIY (DroneMesh)
4567
2
5
DroneMesh
DroneMesh
HUNGARY
95
1
1
...
6
7
8
9
10
11
12
13
14
15
16
...