When I saw the news of the Raspberry Pi4 announcement, I pulled out my Raspberry Pi and touched it for the first time in a while. I had touched the Raspberry Pi a little before, but gradually stopped using it because I was too lazy to move…

There was news that the Amazon Dash Button will no longer be sold. I feel a little sad because this is the device that got me started with electronics, wanting to try hacking the Dash Button. I bought a Dash Button last spring, and when I …

At one time, it was popular to hack the Amazon Dash Button and modify it into an arbitrary IoT button, and while the detection of Amazon Dash Button button pushes can be done on a PC or RaspberryPi, this is a memo on how to do it on an ESP…

This may not be in great demand, but I created a Raspberry Pi version of the following "USB-connected PC volume control button created with Arduino" and this is the procedure and explanation memo. www.ekwbtblog.com A rough description of t…

Even when the power supply was connected to the ESP8266, it would not boot properly. After some research, I found an article on how to stabilize the operation of the ESP8266. ESP8266の動作が不安定なときの対策案 | なんでも独り言 ESP8266が不…

Using an Arduino, I made a USB-connected volume control button that can turn up, turn down, or mute the volume of a PC. There are many different types of Arduino, but we will use the Arduino Micro, which has a microcontroller called ATmega…

This is a memo note on how to write a program to the ESP8266 from a PC. explanation This is a memo note for myself, but I will give a brief explanation. ESP8266 is a microcontroller with WiFi communication function. Create a program on the…