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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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These days I came across an old Trio JR-500S ham radio receiver that was selling for $50 and bought it. According to the data I found on the internet, the device was manufactured in 1966 by the ...
Short review of Trio JR-500S ham radio receiver, and comparision with SDRplay RSP1A software defined fadio
441
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
49
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
5017
12
5
Syaiful YE3CIF.COM
Syaiful YE3CIF.COM
INDONESIA
86
2
It's a SDR radio transiever with WiFi communication to control by desktop programm.
Mini DUC-DDC transiever Kitty.
1042
2
0
Vladislav V. Anikiev
Vladislav V. Anikiev
RUSSIAN FEDERATION, THE
5
4
back panel for uSDX – An Arduino Based SDR All Mode HF Transceiver All credits to WB2CBA - Asuroglu, Barbaroshttps://antrak.org.tr/blog/projeler/usdx-an-arduino-based-sdr-all-mode-hf-transceiver-pcb-i...
Back panel for uSDX – An Arduino Based SDR All Mode HF Transceiver
2871
0
0
Alexiev
Alexiev
BULGARIA
123
0
Трансивер от US5NCJ SDR TRX "Super Puper"https://ut3mk.at.ua/forum/2-146-1
SDR TRX - Super Puper (synthesizer)
4183
0
1
YAROSLAV
YAROSLAV
UKRAINE
29
6
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
1634
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
135
158
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
1390
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
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
This is not my personal work. Please visit https://github.com/mossmann/hackrf/tree/master/hardware/operacakehttps://hackaday.com/2018/01/23/shmoocon-delightful-doppler-direction-finding-with...
Opera Cake: DOPPLER DIRECTION FINDING WITH SOFTWARE DEFINED RADIO
4256
3
1
Engineer
Engineer
BELGIUM
1
0
Намоточные данные ФНЧ усилителя мощности приведены в таблице.Индуктивности 5L2 – 5L4 и 5L6 - 5L8 изготовлены на ферритовых бинокулярных сердечниках от симметрирующих устройств отечественных телевизоро...
ФНЧ Усилителя Аматор КФ
604
0
0
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
YouLoop является обобщением петли Мебиуса, в которой сбалансированный электрический экран используется в качестве центра многооборотной петли. Остальные витки проходят внутри экран...
Ультрапортативная магнитная петля "YouLoop"
833
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
135
158
El Burrito 6cm CW/FM Frontend 5760 Mhz V3V2 of the "El Burrito EB6 Frontend", a 5760Mhz FM/CW Frontend for the 6cm HAM radio band using SE2595L for use with MAX2870 modules or PlutoSDR. RF output if f...
El Burrito 6cm CW/FM Frontend 5760 Mhz V3
606
0
0
Fred OE8FNK
Fred OE8FNK
AUSTRIA
5
2
На этом рисунке с целью упрощения показаны только два фильтра из шести. Коммутация фильтров осуществляется с помощью диодов. На вывод 3 платы ДПФ постоянно подано напряжение +12В. С делителя 2R1 2R2 н...
ДПФ для Аматора КФ
778
0
0
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
Синтезатор для трансиверов с одним преобразованием на базе микропроцессора ESP32 и микросхемы генератора Si5351.Переходная плата: https://drive.google.com/drive/folders/1wX0csXjj62VjHexrnhIDxdKLvhKRMw...
Синтезатор частоты на ESP32 и si5351 от UT3MK
1495
1
4
Maksim EW7DDR
Maksim EW7DDR
BELARUS
135
158
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