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Electronics

JLCPCB charges for the same design panelizing

In the past, JLCPCB did not have to pay extra for imposition of two exactly the same circuits on a 10x10cm board, bu...
Leaser Cutter

Stamp with the CO2 laser cutter EtcherLaserPro.

When you use a laser cutter to make a stamp, you usually use silicone rubber. This time I would like to make ...
Electronics

Make a wooden key chain by engraving and cutting with CO2 laser cutter

I made a key chain from MDF and veneer, engraved & cut with EtcherLaserPro. Preparing the processing data ...
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Famicom

Record the sound source of the actual Nintendo Famicom in stereo [MOTHER]

MOTHER spoiler alert? Hi, I'm kohanii. This site sells a kit to turn your Nintendo Famicom into a pseudo-stereo syst...
Electronics

How to fix a Bose QuietComfort QC25 that has lost sound on one side for about $30.

Do Bose NC headphones have a tendency to break the speaker on one side? Two of them broke I have two QC25s, and...
Electronics

I made a dynamic microphone with the speaker unit of headphones! & I also tried it with ordinary speakers!

Hi, I'm kohanii. In the following blog, I had repaired the speakers of the Bose QuietComfort QC25 headphones. ...
Electronics

How to distribute video to Windows 10, Mac, Android in LAN with OBS Studio

Hi, I'm kohanii. Introducing how to distribute video from a webcam or other device to another PC, Android, etc. Sett...
3D Printer

Desk light that glows with batteries!

Hi, I'm kohanii. A long time ago, I made a desk light (but I put it on the floor) to take notes at night. I didn't w...
Electronics

Make the large 8×8 LED dot matrix even brighter

Hi, Konanii here. It's Halloween today. I made a Large 8×8 LED Dot Matrix before. The resistor attached t...
Electronics

I made a speaker enclosure with the CO2 laser cutter Etcher Laser Pro

Enclosure The enclosure is the box that the speaker is in, the speaker box. Since I bought a speaker before, I...
Electronics

Cut parameters of veneers with the CO2 laser cutter Etcher Laser Pro.

In this article, I would like to investigate the parameters (conditions) for cutting veneer boards with EtcherLaserP...
Electronics

Cut parameters of MDF with the CO2 laser cutter Etcher Laser Pro

This is a summary of the parameters (conditional settings) for cutting MDF board with EtcherLaserPro, based on actua...
Electronics

I received the CO2 laser cutter Etcher Laser Pro, so I set it up and tried cutting it.

The EtcherLaserPro that I had ordered has arrived. I set it up and did some test cutting, so here is how I set it up...
Electronics

Glittering PCB Art Christmas Wreath

PCB ART for Glittering LED If I ask what a PCB is, most people will think of a board with thin wires and electron...
Electronics

How to make a Christmas wreath kit with glittering LEDs

Christmas wreath made from printed circuit boards I designed a Christmas wreath on a printed circuit board using ...
3D Printer

I bought a 3D printer ANYCUBIC

ANYCUBIC i3 Mega 3D printer. As I thought that finish would be very beautiful, I purchased it. In Akihabara...
2020.11.10
Electronics

I bought the Etcher Laser Pro after comparing it with the CO2 laser cutter Beamo

Website from SMART DIYs Etcher Laser Pro Laser cutter The laser cutter is a device that allows you to burn off or ...
Electronics

Make the large 8×8 LED dot matrix even brighter

Hi, Konanii here. It's Halloween today. I made a Large 8×8 LED Dot Matrix before. The resistor attached t...
Electronics

Made a large 8×8 LED dot matrix

Hi, I'm kohanii. I thought I could make an LED dot matrix this time, using a board I made in the past that could moun...
2020.11.10
Electronics

The cordless suction tweezers “HAKKO 394” makes mounting the board easier than normal tweezers.

I bought HAKKO 394, which is an adsorption type tweezers with a built-in vacuum pump. HAKKO 394  The cordless ...
2020.11.08
Electronics

“Solder paste printing” using thumbtacks to align the stencils is extremely useful because it doesn’t slip out completely.

I previously designed an evaluation board and a stencil for a MAX 10 FPGA with many IO pins and ordered them to the ...
2020.11.08
Electronics

Nintendo Famicom converted to video output

Long ago I bought a junk Nintendo Famicom at a thrift shop and disassembled it Past articles:I bought it at a rec...
2020.11.08
Electronics

How long I get the PCB from PCBWay? Mounting components on electronic paper control PCBs.

We recently ordered a MAX10 FPGA board and an e-paper control board from PCBWay. To our surprise, the board we order...
2020.11.08
Electronics

ESP 32 – WROVWE – B Gets 4 MB Of Memory

We purchased ESP 32 - WROVER - B, which preserves the functionality of ESP 32 and has an additional 8 mb of PSRAM (p...
2020.11.08
Electronics

Until the K155ID1 is controlled by the ESP 32 and the 2 digit Nixie tube IN – 12B is dynamically lit.

I have the substrate for the nixie tube and the K1551 ID 1 for the control IC, I want to control the nixie tube usin...
2020.11.08
Electronics

Trial manufacture of surface mount board using solder paste gun

Solder paste gun(Soldering Gun / Solder syringe?) My old ways My old way of reflowing surface mount boards. App...
2020.11.08
Electronics

It is possible to read the compressed image from the SD card and play the sequential numbered image on the electronic paper.

I loaded the bitmap images into memory beforehand and animated them on electronic paper like a frame-by-frame cartoo...
2020.11.08
Electronics

I can now draw handwritten pictures on electronic paper using the Nintendo DS touch panel

The Nintendo DS touch panel can be used with e-paper. Touch Panel I bought a large DSi LL touch panel on A...
2020.11.08
Electronics

I printed this popular mask with elastic TPU filaments and an Anycubic i3 Mega 3D pulitor.

The mask data, which can be printed on a 3D printer, is available for free.My friend was interested in this mask, so...
2020.11.08
Electronics

“Alarm Clock Style” IN-14 Nixie Tube Clock Completed !

The other day, I created the hardware and incorporated it into the alarm clock. This time, I will be prog...
2020.11.08
Electronics

The circuit of the Nixie tube IN 14 is built into an alarm clock to create an alarm clock style clock.

The other day, I was able to display the Nixie tube IN-14 by wiring with a breadboard. This time, I would...
2020.11.08
Electronics

Substrate reflow in convection oven TSF601 is too comfortable to return to hot plate

I bought a convection oven TSF601 for reflow the other day. I actually reflowed the board using this oven...
2020.11.08
Electronics

Buy Tescom Low Temperature Convection Oven TSF601 for Reflow! A Nice Temperature Profile!

In the past, I used a hot plate for reflow, but because it was so small, I could only reflow a small amount and the ...
2020.11.08
Electronics

The kit to convert Nintendo Famicom to video output (FCAV) is now available!

Based on the "FCAV" (Famicom Audio Visual) kit that I made for converting the NES(Nintendo Famicom)to a video output...
2020.11.08
Electronics

Modify Nintendo Famicom (early model) to video output with FCAV

This is a way to convert Nintendo Famicom (early model) into video output. Before making this modification, the vide...
2020.11.08
Electronics

Modify Nintendo Famicom (late model) to video output with FCAV

I'll show you how to modify a late-model Nintendo Famicom to a video output.  For the kit version, it is necessary t...
2020.11.08
iPhone

Let’s Go To The Sea With Your iPhone Waterproof

For about 1,000 yen, you can turn your smartphone into a waterproof one.  In the past, I used to take a waterproof dig...
2020.11.08
Electronics

MAX V CPLD 5M160 experiment board that sticks on the breadboard. Part 2.

In the last article, I designed the MAX V CPLD 5M160 experimental board that sticks to the breadboard and placed an ...
2020.11.08
Electronics

MAX V CPLD 5M160 experimental board that sticks to a breadboard. Part 1.

Intel CPLD MAX V Series I made an evaluation board with Intel CPLD's MAX V series 5M160 before. The board w...
2020.11.08
Electronics

Ordered on PCBWay, the PCB arrived very quickly!!

The other day, I ordered an aluminum substrate for the first time on PCB Way.  It is PCB designed to make LED li...
2020.11.07
Electronics

Using Amazon Echo’s Alexa and ESP32 to adjust the brightness of the lighting with my voice

I used ESP32 and did a basic experiment to see if I could turn on and off the light and adjust the brightness by giv...
2020.11.07
Electronics

MAX V CPLD “5M160nano” board and stencil that I ordered from PCBWay is perfect !

To make experimentation more convenient, the MAX V CPLD board that sticks into the breadboard "5M160nano" I desi...
2020.11.07
Electronics

Digital microscope connect to Mac with Full-HD HDMI Capture!

USB HDMI Capture This is a capture cable that can capture 1080p by utilizing the high-speed transfer of USB3.0. (...
2020.11.07
Electronics

The ESP32-WROVER and MAX V CPLD were mounted on the experimental e-paper board.

Last time I designed the substrate using KiCad and ordered the PCB from JLCPCB.  Now that the PCB has arrived, we wa...
2020.11.07
Electronics

Design PCB for Nixie tube clock

Nixie Tube Clock with Alarm I once made a nixie tube clock that looks like an alarm clock, with a nixie...
2020.11.07
Electronics

Display a color bar by generating a video signal with Intel MAX V CPLD 5M160 nano

5M160nano 5M160nano is an evaluation board equipped with 5M160 of Intel MAX V series CPLD.  This is a very ...
2020.11.07
Electronics

Intel MAX V CPLD “5M160nano” board details

You can buy this item here 👇👇👇 . MAX V CPLD 5M160 nano board This is an experimental board equipped with I...
2020.11.07
Electronics

Install Chinese USB Blaster drivers to windows 10

USB Blaster I'm building my own evaluation board for the Intel CPLD MAV V 5M160Z. I haven't finished it yet beca...
2020.11.07
Electronics

Modify a old retro clock with a Nixie tube to a more retro and latest NTP clock

In a recent experiment, I found that the Nixie tube can be controlled by ESP32, so I applied it to I'm going to make...
2020.11.07
Electronics

Nixie tube IN-12B and NIS-1 give off a retro glow by making a 180V boost circuit.

I previously opened a dot-shaped Nixie tube INS-1 and a number-displays Nixie tube IN-12B, that arrived from Ukraine...
2020.11.07
Electronics

Making an Alexa compatible dimmable ceiling light using ESP32 and Daiso’s LED fluorescent light – Circuit

I want an Alexa-enabled ceiling light When I go to bed at night, I use the remote control because I can't be bo...
2020.11.07
Electronics

Making an Alexa compatible dimmable ceiling light using ESP32 and Daiso’s LED fluorescent light-Program

Last time, I created a circuit for an Alexa-compatible dimmable ceiling light. In this article, I'd like to c...
Electronics

Making an Alexa compatible dimmable ceiling light using ESP32 and Daiso’s LED fluorescent light-installation

Previously, we have completed the circuitry and software. This time, I would like to modify and install the...
Electronics

The Nixie tube clock PCB that I had ordered from FusionPCB arrived and I mounted the parts!

I had previously designed an alarm clock type Nixie tube clock substrate and ordered a PCB from FusionPCB. ...
Electronics

Assembled an alarm clock style Nixie tube table clock using IN-16 Nixie tube

I recently mounted components on the PCB that arrived from Fusion PCB. In this article, I would like ...
Electronics

Mounted the components on the PCB of Nixie DCDC, a step-up DCDC converter for Nixie tubes.

NixieDCDC Nixie tubes, which glow beautifully, require a higher voltage of about 175V or more to make them glow. ...
Electronics

Experiment to make the LED a “glowing light sensor”

The other day, I experimented with the use of LEDs as solar cells, taking advantage of the fact that the basic semic...
Electronics

Whether LEDs can generate electricity like solar cells.

Principle of solar cells and LEDs Solar Cells Solar cells are made of two types of semiconductors, n-type and p-...
Electronics

Let’s try “candle panic game” that use a “glowing light sensor”.

"Glowing Light Sensor" I recently created a circuit that can be used as both a light-emitting device and a light ...
Electronics

PCBgogo has a fast job! The “Candle Panic” game board using the “glowing light sensor” is now complete!

Create PCB with PCBgogo I recently found that the candle panic game I made with the "glowing light sensor" worked fin...
Electronics

How to make a game of “candle panic” by hastily lighting a dying fire.

"Candle panic" is a special circuit that also uses LED as a light sensor allows you to enjoy the experience of lighting ...
Electronics

I made a 7-segment LED on a 3D printer. This is a great way to make an original one!

I wanted to make a 7-segment LED with a 3D printer. Modeling Model the resin part of a 7 segment LED in Blende...
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