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Low Cost Drone using ESP32
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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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
1925
0
5
Евгений Лисовский
Евгений Лисовский
BELARUS
16
25
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)
980
0
6
Maksim EW7DDR
Maksim EW7DDR
BELARUS
155
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
1029
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
155
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
2501
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
155
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
1266
5
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
155
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
9990
4
14
Norbert Norbi
Norbert Norbi
POLAND
12
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
5245
1
2
Dilshan Dilshan Ranmal Jayakody
Dilshan Dilshan Ranmal Jayakody
SRI LANKA
16
0
The project is about to create a small portable DIY walkie-talkie, based on the idea and schematics from the https://vrtp.ru/index.php?act=categories&CODE=article&article=3351 article. It base...
Compact 433 MHz walkie-talkie based on MRF49XA transceiver
1972
3
1
Andy Karpov
Andy Karpov
UKRAINE
2
2
Today I received the Pi Terminal-7” IPS HMI CM4 Panel All-In-One Module Raspberry Pi Computer from Elecrow. The shipment arrived in about a week in a branded box well protected from mechanical damage....
How to turn a 7 inch Elecrow pi terminal into a standalone SDR Radio
72
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
71
0
A software defined radio basically consists of an RF front-end hardware part and specialized software that performs the processing of this signal. By default SDR software is controlled by keyboa...
How to turn a Mouse into a Wireless Tuning Knob for SDR Radio
144
0
0
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
71
0
GitHub project page | Easy-SDRAn easy and quick building of active RA0SMS Mini-Whip receiving antenna based on SMD components. Based on the submitted files, you can order PCB manufacturing at the...
Antenna Mini-Whip
311
0
0
Ihar Yatsevich
Ihar Yatsevich
POLAND
0
0
GitHub project page | rpitx-coax-pcbExpansion board for Raspberry PI allowing to use coaxial SMA output instead of direct wire connection to GPIO to connect radio equipment (antennas, amplifiers, swit...
rpitx-coax-pcb-GP1212-GP731
187
0
0
Ihar Yatsevich
Ihar Yatsevich
POLAND
0
0
GitHub project page | rpitx-coax-pcbExpansion board for Raspberry PI allowing to use coaxial SMA output instead of direct wire connection to GPIO to connect radio equipment (antennas, amplifiers, swit...
rpitx-coax-pcb-NOFILTER
149
0
0
Ihar Yatsevich
Ihar Yatsevich
POLAND
0
0
Internet radio, also known as online radio or streaming radio, refers to the broadcasting of audio content over the internet. Unlike traditional radio stations that transmit over the airwaves, i...
Simple ESP32 Internet radio on VFD Display
519
0
2
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
71
0
3.22.24 Updated to Ver 1.2files with 3 mm traces and reorganized some trace routing for better heat dissipation and low noise.This is a reworking of the basic Variable Regulated Linear Supply schemati...
LM338.LinearPowerSupply
315
0
0
awynn1
awynn1
UNITED STATES OF AMERICA
0
0
ADX – Arduino Digital Transceiver V2ADX – An Arduino based HF Digital Modes TransceiverADX is an Arduino based Digital Modes Transceiver. ADX is abbreviation for Arduino Digital Xceiver...
ADX – Arduino Digital Transceiver V2 TOP PANEL
693
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
155
158
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