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…

How to deal with the browser is not defined error when trying to run Puppeteer on a RaspberryPi. Reason When "Puppeteer" is installed by npm, Chromium is also newly installed in node_modules, and Puppeteer uses this Chromium by default. Ho…

Where is the view on the Windows 10 lock screen? Sometimes I wonder. The location of the view can be known by clicking on the "magnifying glass icon" that sometimes appears on the lock screen and then logging on, which will launch Edge and…

My bicycle chain came off. I haven't experienced a bicycle chain coming off in many years, maybe since I was a child. Since it takes nearly 20 minutes to walk to the bicycle shop, I looked into the possibility of actually fixing it easily …

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…

Batch processing of data recorded in each file is sometimes performed by shell scripts. If there were a large number of files, it could be very time consuming to process them sequentially, waiting for one file to finish before processing t…

As the title suggests, this is my impression of AWS CloudFormation. impetus When calling AWS Lambda from a URL, you have to use the AWS API Gateway GUI to do the mapping, such as "call this Lambda for this method of this URL," but this is …

PS Since the procedure had changed, we have rewritten it in a separate article, along with how to obtain a wildcard certificate. www.ekwbtblog.com Postscript ends here (original article below) It was convenient to use "cert-manager" + DNS …

I bought new gloves because the ones I had were too big to use. Since I was so interested, I decided to use gloves for my smartphone, which I had been interested in for a while. MUJI Boucle touch panel gloves, one size fits all, black Ther…

This is a summary of how to communicate over HTTPS with Kubernetes (GKE) on Google Cloud Platform. Introduction. To allow Kubernetes to communicate with the outside world Method by Service Methods by Ingress There are two ways to do this. …