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A mini radio,using LA1600 and 6AK5.
in JA Dec 01,2019
A mini radio using LA1600 and 6AK5.One IFT(455khz) and one filter(murata).Tube 6AK5 is doing well as tone controller : bass,treble.This pcb is on sell ,here.making noteschematic
if osc 455khz
4341
1
2
DC/DC регулятор тока и напряжения. Christmas2019, +500 Beans
Yura Nov 29,2019
входное напряжение до 32-х вольт .вых .напряжение от 0 до 30 вольт, ток до 20 ампер.устройство проверено под нагрузкой в 500 ватт. в течении 2-х часов ,нагрев не больше 35 С*.работает отлично .стабилизация напряжения и тока работают .не боится кз.
+500 Beans Christmas2019
1892
2
5
Snowman Ornament
prices0 Nov 29,2019
This project utilizes a basic circuit, the astable multivibrator to flash green and red LEDs on the charging and discharging of the two capacitors. To have a faster frequency lower the capacitance and inversely for a lower frequency blink. The slide switch is used to easily turn the ornament on or off instead of disconnecting a 9V battery. Through testing it was found that the max amount of green LEDs could be 3 and 4 red leds, of course there are ways to optimize this.
Snowan Christmas Holidays
1080
0
0
CW KEYER ps/2 attiny2313, Christmas2019
Semerenko Nov 29,2019
Для многих радиолюбителей стало привычным делом, работая телеграфом, использовать для генерации кода Морзе компьютер. Передавать телеграф с клавиатуры, как они считают, красиво и удобно. Но не у каждого желающего так работать найдется компьютер или место в комнате, где его можно было бы поставить вместе с радиостанцией. А уж любителям работать в полевых условиях не очень удобно тащить "в поле" громоздкий компьютер, который к тому же потребляет большую мощность. В результате поиска решения этой з...
CW keyer
1977
0
1
PCB Christmas Tree
ElectroPoint4u Nov 28,2019
PCB Christmas TreeSize:40.8mm x 60.2mmSignal Layers:2None Signal Layers:8Components:14Pads:40 Surface Pads:40 Plated Through-hole Pads:0 None Plated Through-hole Pads:0Holes:0Vias:36Nets:8/8Length of Tracks:461.25mmCopper Areas:2I saw many people making awesome looking PCB Christmas Trees. So I made one for myself too. First of all I need a simple X-mad tree shaped image for the outline. After a bit of searching I found this oneSo I imported the image to Inkscape for creating the ...
XMAS2020 Christmas2019 PCB
3642
0
16
Ампер Вольтметр на Atmega8
Yura Nov 27,2019
Ампер Вольтметр на Atmega8Это мультиметр предназначен для измерения напряжения и тока в блоках питания. Шунт от 0,05 Ома до 2 Ом должен быть включен последовательно с нагрузкой. Может питаться от измеряемого напряжения основного блока питания в пределах 12-30 Вольт.Одна из дополнительных функций мультиметра является то, что он может контролировать (включение и выключение) вентилятора для охлаждения основного радиатора. Мощностной порог, при котором включается вентилятор можно настроить с помощью...
Christmas2019
6036
9
6
3D blink_ Bauble for your Christmas Tree Christmas2019 Part 2/2
Aaron Christophel Nov 27,2019
With this project i am contributing to the Christmas2019 contest.This is part two here you can get part one of the PCB: https://www.pcbway.com/project/shareproject/3D_Blink_Bauble_for_your_Christmas_Tree__Christmas2019.htmlIt is a simple but nice looking 3D pcb Design as a bauble for your christmas tree with useable with 2 or 3 cr2032 BatterysThe micro is the cheap 20cent MCU CH552 from WCH it can also be used with CH551,CH553 or CH554this MCU Family has integrated USB and can be directly progra...
Christmas2019 bauble 3d design
2024
1
2
3D blink_ Bauble for your Christmas Tree Christmas2019 Part 1/2
Aaron Christophel Nov 27,2019
With this project i am contributing to the Christmas2019 contest.This is part one here you can get part two of the PCB: https://www.pcbway.com/project/shareproject/3D_Blink_Bauble_for_your_Christmas_Tree__Christmas2019_Part_2_2.htmlIt is a simple but nice looking 3D pcb Design as a bauble for your christmas tree with useable with 2 or 3 cr2032 BatterysThe micro is the cheap 20cent MCU CH552 from WCH it can also be used with CH551,CH553 or CH554this MCU Family has integrated USB and can be direct...
Christmas2019 bauble 3d design
2739
1
5
PCBWay Arduino Cookie Christmas
silicioslab Nov 27,2019
In this project you'll learn how to program the Cookie Christmas Module for Arduino. Through this kit you'll learn how to create your frist code lines with Arduino. It is a simple kit that can be used to teach logical programming in the classroom.Now, you need understand how works the electronic schematic of the cookie module. In the Figure 1, we shown the circuit.Figure 1 - Electronic Schematic of the Cookie Christmas Module for Arduino.After to construct the electronic schematic, you'll create...
arduino module
1664
0
0
reflex radio :high sensitivity
in JA Nov 26,2019
For radio builder, easy to make a reflex radio. But high sensitivity　like super heterodyne radio.It needs less 30 minute to build up.
3rd PCB Design Contest 2sc1815 radio
2455
1
1
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