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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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SlimeVR Hyperion BMI160 PCB
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Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
Frog Boy Color
espthings.io - ET-P1101 ESPHome Panasonic Climate Interface
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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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
615
0
0
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
Простой электронный ключ на ATTINY13, с питанием по USB (от компьютера, ноутбука, зарядного утройства или повер-банка в полевых условиях).Изначальный скетч для среды Ардуино, можно взять здесь - https...
USB CW KEY
1019
0
4
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
I use this in conjunction with my XR Oscillator board for the modulating signal. This AM modulation board can get me up to 1.8MHz using 5.6k 10 turn pot with about 75pF.Juggle the Level, Wav...
XR2206 AM Modulator
155
0
0
Paul Perano
Paul Perano
AUSTRALIA
2
1
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
784
0
0
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
It is Arduino and NRF24l01 based radio comminication board. The board contains 3 modules, First one is Arduino Pro Mini based transmitter, secod one is Arduino Nano based receiver and the last one is ...
Arduino Transmitter&Receiver (1)
1408
1
3
Make It Smart
Make It Smart
TURKEY
2
0
A simple antenna analyzer is a helpful gadget which will tell us about the frequencies to which a piece of wire will resonate on. This is very useful in conjunction with a simple tuner to adjust ...
A compact antenna analyser with graphic colour display for 1-30 mHz
642
0
3
Andrei Bochkarev
Andrei Bochkarev
TURKEY
15
0
Применение бесколлекторного мотора в качестве датчика имеет смысл. Если катушки в двигателе могут перемещать вал, то перемещение вала должно вызвать ток в катушках.В схеме используется дифференциальны...
HDD motor to enkoder adapter
965
1
4
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
Прибор представляет собой аттенюатор с диапазоном затухания от 0 до 127dB, а также генератор на SI5351A, позволяющий получать меандр с частотой вплоть до УКВ диапазона.Генератор отключаемый, прибор ра...
УПРАВЛЯЕМЫЙ АТТЕНЮАТОР \ ГЕНЕРАТОР
943
0
3
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
Coil L1 has 80 turns of 0.32 wire - with a tap from 20 turns. Coils L2; L3 are the same and have 20 turns of 0.6 wire. All coils are wound on frames with a diameter of 12 mm.Tr1 is wound on a fer...
AM transmiter 3 mHz
299
0
0
Andrei Bochkarev
Andrei Bochkarev
TURKEY
15
0
Adafruit si5351 based synthesizer. May be used for wide band radio (1-30 mHz). You can change IF in the skech or use for direct convertion receivers. I disigned PCB for receiver in a standart plastic...
si5351 module based 1-30 mhz synthesizer for receivers and tranceivers
515
0
1
Andrei Bochkarev
Andrei Bochkarev
TURKEY
15
0
Simple SSB Tranceiver Direct convertion. I made it for 160 m band. You can change coils and capacitor values for 40 or 80 band. You can use frequency synthiziser. The L9 must by for 1 amp or more.The ...
Simple SSB tranceiver for 160m band
415
0
1
Andrei Bochkarev
Andrei Bochkarev
TURKEY
15
0
A PCB for the Michigan Mighty Mite CW TRANSMITTER by Adan Lewis KF0DST. Based of the design made by Ciprian YO6DXE of the DX Explorer blog. More info at https://dxexplorer.com/michigan-mighty-mite/ . ...
Michigan Micro Mite PCB by Adan lewis KF0DST
311
0
1
Adan Lewis
Adan Lewis
UNITED STATES OF AMERICA
0
0
A PCB for the Michigan Mighty Mite CW TRANSMITTER by Adan Lewis KF0DST. Based of the design made by Ciprian YO6DXE of the DX Explorer blog. More info at https://dxexplorer.com/michigan-mighty-mite/ . ...
Michigan Mighty Mite PCB by Adan lewis KF0DST
362
0
1
Adan Lewis
Adan Lewis
UNITED STATES OF AMERICA
0
0
Комутатор в настройке не нуждается и начинает работать сразу после включения.Ток через транзистор КТ646 каскада УВЧ должен быть равен 20 - 25мА. АЧХ можно скорректировать по максимуму усиления на 10 м...
Комутатор диапазонов и УВЧ для трансивера Аматор КФ
715
0
0
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
Представляю вашему вниманию один из вариантов трансивера uSDX радиолюбителя UD3SBV.Плата была спроектирована для корпуса с AliExpress 110х70х24 мм. Трансивер имеет на борту 3 диапазона «80м-40м-20м».
USDX QUARK 1
1364
0
3
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
The driver for WS2812, SK6812 or similar LED strips controlled via Bluetooth LE. It supports both RGB and WWA LEDs. This driver uses motion and light sensors, so in automatic mode it can turn on the l...
Sunmachine-A2 - smart lighting system
918
0
0
Grzegorz Blach
Grzegorz Blach
POLAND
0
0
1
2
3
4