kohacraft's blog

"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 programming and comp...

2020.11.03 2020.11.08

Rose

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 I d...

2020.11.03 2020.11.08

Rose

Electronics

Modification method to silent click Apple Magic Mouse

日本語版はこちらHere is how to modify the click sound of Apple Magic Mouse to be silent.If you modify it, you will get a click s...

2020.11.03

Rose

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 PanelI bought a large DSi LL touch panel on Amazon.Since the ...

2020.11.03 2020.11.08

Rose

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 cartoon.Th...

2020.11.03 2020.11.08

Rose

Electronics

Animation can now be displayed on e-paper

The CPLD is used to perform high-speed serial-parallel conversion between the electronic paper and the ESP32 microcomput...

2020.11.03 2021.03.17

Rose

Uncategorized

Trial manufacture of surface mount board using solder paste gun

Solder paste gun（Soldering Gun / Solder syringe?）My old waysMy old way of reflowing surface mount boards. Apply solder p...

2020.11.03 2021.03.17

Rose

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 using ES...

2020.11.03 2021.03.17

Rose

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 (pseud...

2020.11.03 2021.03.17

Rose

Electronics

Sharp and Clear Video Quality Experiment

I converted a Famicom to a video output, and now I play with it by watching it on the monitor of the computer via video ...

2020.11.03 2021.03.17

Rose

ElectronicsFamicom

The Nintendo Famicom has been remodeled into a clear video and a nice stereo output.

The sharp video output and audio stereo function of the Nintendo Famicom Video Console, which we have been experimenting...

2020.11.03 2021.03.17

Rose

ElectronicsFamicom

"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 Seee...

2020.11.03 2021.03.17

Rose

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 suction twee...

2020.11.03 2021.03.17

Rose

Electronics

SMD Feeder and Electric Vacuum Pick HAKKO 394 Facilitate Chip Component Mounting

I found an SMD feeder that is very convenient for mounting chip components using the electric vacuum pick HAKKO 394.Amaz...

2020.11.03 2021.03.17

Rose

Electronics

We made an EP-ROM cassette board using ZIF (Zero-Insertion-Force) Test Socket for Nintemdo Famicom

The Way to Original ROM for FamicomI wanted to make a "My Original ROM" for Nintendo Famicom.First, I disassembled the c...

2020.11.03 2021.03.17

Rose

Famicom

I want to make my own ROM cassette for the Famicom, so I disassembled the cassette.

I want to make my own cassette for the Famicom.Information collectionTo make my own ROM cassette, I need to do the follo...

2020.11.03 2021.03.17

Rose

Famicom

Making a "ROM eraser" with a germicidal lamp to visualize how the ROM is erased

In the past, an experiment was conducted in which a sterilization light bulb was attached to the "E17 socket" and lit.No...

2020.11.03 2021.03.17

Rose

Electronics

I make a UV-EPROM writer

I want to make my own cassette for the Famicom, so I am making various preparations. Last time, I was experimenting with...

2020.11.03 2021.03.17

Rose

Electronics

We made an EP-ROM cassette board using ZIF (Zero-Insertion-Force) Test Socket for Nintemdo Famicom

The Way to Original ROM for FamicomI wanted to make a "My Original ROM" for Nintendo Famicom.First, I disassembled the c...

2020.11.03 2021.03.17

Rose

Famicom

How to make a Nintendo Famicom video output modification kit (FCAV) board

Instructions for creating a Nintendo Famicom video output conversion kit board for converting the Nintendo Famicom to an...

2020.11.03 2021.03.17

Rose

FamicomInstruction Manual

I turned Nintendo Famicom into a stereo, and listened to the music

2 audio outputs, AUX A and AUX B, are output from the Nintendo Famicom CPU.Typically, the outputs on these pins are mixe...

2020.11.03 2021.03.17

Rose

Famicom

How to convert 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 video bo...

2020.11.03 2021.03.17

Rose

ElectronicsFamicomInstruction Manual

How to Check Whether the Nintendo Famicom is the Early model or the Later model

It looks the same, but the inside is different.There are 2 main types of Nintendo Famicom models.The previous model is t...

2020.11.03 2021.03.17

Rose

ElectronicsFamicom

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, we have seen...

2020.11.03 2021.03.17

Rose

3D Printer

I was able to charge MacBookAir with Power Bank with USB Type C MagSafe2 conversion cable

2020.1.5 addedDifferent type of conversion adapter also tried to buy.End addI want to charge the MacBookAir on the goI h...

2020.11.03 2021.03.17

Rose

Electronics

A conversion adapter that charges Magsafe's MacBook Air and Pro with USB-C PowerBank is very convenient

I want to charge the MacBookAir and MacBookPro in PowerBankI am using a 2015 model PC. So, the power connector is Magsaf...

2020.11.03 2021.03.17

Rose

Electronics

It was very easy if I changed the light bulb of the step wagon brake light myself

I noticed that the brake lights on my car did not light.At first I wanted to ask a friend of the dealer. But I decided t...

2020.11.03 2021.03.17

Rose

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 recycle sh...

2020.11.03 2021.03.17

Rose

Electronics

Circuit diagram of Nintendo Famicom cassette sucker kazzo clone

。Here is a schematic of a previously created kazzo clone. It is basically the same as kazzo_pcb_2 of kazzo0.1.3. The cha...

2020.11.03 2021.03.17

Rose

ElectronicsInstruction Manual

How to clone kazzo for Nintendo Famicom (2019 and later models)

This is a device for using "Nintendo Famicom "cassette data on a personal computer. I will explain how to make a Kazzo c...

2020.11.03 2021.03.17

Rose

ElectronicsInstruction Manual

How to set up Arduino IDE and Leonardo board

This section introduces the setup method for Arduino to program a Leonardo-compatible microcontlloer board.With this set...

2020.11.03 2021.03.17

Rose

ElectronicsInstruction Manual

Milk Carton How to Make a Microcomputer Robot ,No.2 (Program Modification)

The milk pack microcomputer robot kit has a program written in the microcomputer. So you can play it by assembling it. B...

2020.11.03 2021.03.17

Rose

ElectronicsInstruction Manual

How to make milk carton robot with a Microcontroller No.1

I will introduce how to make a robot with a micro controller using a milk pack from now on.Here we will explain how to m...

2020.11.02

Rose

ElectronicsInstruction Manual

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 ordered w...

2020.11.02 2021.03.17

Rose

Electronics

I bought the 858D hot air gun, which can easily remove multi-pin devices that cannot be removed by a soldering iron.

Hot Air GunThe 858D is a hot air gun with a thinner tip than a heat gun and temperature control.AliExpress.com Product -...

2020.11.02 2021.03.17

kohapepe

Electronics