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These days, the term wireless is very much hyped! Whenever we hear the term wireless, stuffs like Mobile telecommunication (GSM), Wi-Fi, Bluetooth, RF Communication, ...
RF Module 433MHZ | Make Receiver and Transmitter From 433MHZ RF Module Without Any Microcontroller
666
0
0
electronicguru0007
electronicguru0007
INDIA
2
0
Typically, amateur designs use an SWR meter based on a directional coupler, which has an incident and reflected wave switch and a sensitivity control. When setting up the transmitter, you have to perf...
Very simple SWR meter
261
0
1
Andrei Bochkarev
Andrei Bochkarev
TURKEY
15
0
LMR SDR Transceiver 10-160 meter band V1.6DIY SDR HF Transceiver v1.4 with STM32F103C8T6 without Linear Amplifierwith the addition of a transverter can transmit at a frequency of 144mhzusing software ...
LMR SDR Transceiver 10-160 meter band V1.6
5015
12
5
Syaiful YE3CIF.COM
Syaiful YE3CIF.COM
INDONESIA
86
2
About the ProjectIn this project, I built a 2.4GHz scanner/jammer/Channel Analyzer using the nRF24L01. nRF-BOX is a project that utilizes the capabilities of the nrf24 and Arduino mini to provid...
nRF-BOX - 2.4GHz scanner/jammer/Channel Analyzer
1154
0
7
CiferTech
CiferTech
GERMANY
7
0
IC TA7640 bisa kita ganti dengan IC yang sama persis spesifikasinya yaitu KIA6040 buatan Korea.Indikator Sinyal meter tidak Penulis gunakan untuk kali ini, hanya indikator LED saja yang Penulis gunaka...
bobo146_radio_fm_kia6040
3893
0
3
rachman bobo
rachman bobo
INDONESIA
101
49
An experimental Radio Receiver Bi-bands for Short Wave, on A.M. & SSB.The electrical diagram and breadboard prototype was published on the Facebook group: www.facebook.com/groups/objectivedx, by t...
Sky Fall - S.W. - A.M - SSB Radio Receiver
1169
0
3
Stefano Homebrew
Stefano Homebrew
ITALY
5
0
A simple CW transceiver with one 2N2222 transistor, originally designed by PY2OHH. This is the 40m band version, with slight modifications and it has about 700mW output power. In the video I had some ...
Pititico CW Transceiver
843
0
0
DX Explorer
DX Explorer
ROMANIA
16
23
ПРОЦЕССОР: ATmega328PPLL: Si5351 и /или Si570Дисплей: OLED 1.3 "128 /132x64, OLED 0.96"128x64Энкодер: механический поворотный или магнитный энкодер AS5600Клавиатура: 4 + 1 кнопкиПоддержка различн...
Frequency synthesizer NanoVFO 3.1 square
1633
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
135
158
This time YE3CIF will assemble Bitx Multiband Radio, complete with DDS VFO on one board using STM32F103C8T6 and SI5351, 1.8inch TFT screen. This basic radio is Bitx20 made by Om Farhan VU2ESE from Ind...
Radio BITX Transceiver Multiband v1.1 | Mainboard
1830
0
3
Syaiful YE3CIF.COM
Syaiful YE3CIF.COM
INDONESIA
86
2
https://youtu.be/fPgSf5HOfO8In this tutorial, two STM32 micro-controllers are exchanging data wirelessly over LoRa using E22900T22D module that is interfaced over UART. The MCUs are exchanging dummy d...
STM32 E22900T22D LoRa Transceiver Module and Range Test
1595
0
2
WARD Useful Electronics
WARD Useful Electronics
TURKEY
8
0
简介:这是一台短波手持收发器。便于携带到户外使用,支持CW自动解码。内置驻波功率计.使用gp88s电池(需要改为锂电池8.4v或者12.6v以保证功率输出)特点:5波段覆盖40m/30m/20m/15m/10m。全模式支持:USB、LSB、CW、AM、FM(SSB模式接收效果好,发射效果差。AM和FM模式为赠送功能,效果差)5波段输出功率达到5W功率,改12.6v电池可达到10w以上功率,并预留升...
uSDX88S 5波段手持短波电台
2109
0
8
敏 姚
敏 姚
CHINA, PEOPLES REPUBLIC
7
0
Новая версия NanoVFO 3.2 square.Валкодер и часы на плате не расположены - это позволило существенно уменьшить размеры и довести их до габаритов спичечного коробка. Дисплей 1.3" или 0.96". Размер платы...
Синтезатор NanoVFO 3.2
1389
0
6
Maksim EW7DDR
Maksim EW7DDR
BELARUS
135
158
In the design there is also a place for other types of transistors that could be an option (irf510, irf520, irf530). Indeed, the RD15HVF1 itself cannot be as large as the IRF type, but it is quite sat...
HF Amplifier 10-50Watt
600
0
3
Syaiful YE3CIF.COM
Syaiful YE3CIF.COM
INDONESIA
86
2
In this tutorial, I have built a simple system that is powered with 1 W 5 V solar panel that monitors the connected battery voltage with ADC and gets the environment temperature and shares this inform...
ESP32 RYLR993 LoRaWAN Communication
898
0
0
WARD Useful Electronics
WARD Useful Electronics
TURKEY
8
0
This project for Amateur Radio operators, Arduino SDR Transmitter and Receiver Band ModuleDetailed information : https://groups.io/g/ucxBased on : WB2CBA uSDX PCB V1.02
uSDX HF SDR TriBand Module
2279
0
4
B. Ugur Demirkan
B. Ugur Demirkan
TURKEY
3
2
Получилось так, что ФНЧ на 1-30 МГц, имеет потери от 0.8 db до 2-3 db и ослабление сигнала на частоте 145.5 МГц в 44 дБ, а ФВЧ на 144-146 МГц имеет потери 1.1 db и ослабление сигнала на диапазоне от 1...
Диплексер 0-30 мГц / 144-146 МГц
408
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
135
158
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