Collaborate Disseminate
Some time ago, while designing the PCB for the Sony Vaio replacement motherboard, I went on a quest to find a perfect 5 V boost regulator. Requirements are simple – …read more Continue reading Switching Regulators: Mistake Fixing For Dummies
Last time, I gave you an overview of what you get from I2C, basics like addressing, interface speeds, and a breakdown of pullups. Today, let’s continue looking into I2C capabilities …read more Continue reading I2C For Hackers: Digging Deeper
Last time, we went over switching regulator basics – why they’re wonderful, how do you find a switching regulator chip for your purpose, and how to easily pick an inductor …read more Continue reading Switching Regulator Layout For Dummies
There’s two cases when hackers have to think about USB-C connector mechanics. The first is when a USB-C connector physically breaks, and the second is when we need to put …read more Continue reading All About USB-C: Connector Mechanics
They say that in order to understand recursion, you must first understand recursion. Once you master that concept, you might decide that it’s time to write your own compiler that can compile itself as a fun side project. According to [Warren] aka [DoctorWkt], who documented every step of writing this …read more
Continue reading All You’ve Ever Wanted to Know about Compilers
I just did an apt update / upgrade of a Debian 10 container and restarted it afterwards and got following: # pct start 105 Job for pve-container@105.service failed because the control process exited with error code. See “systemctl status pve-container@… Continue reading Proxmox Container with Debian 10 does not work after upgrade
The ESP8266 is a great processor for a lot of projects needing a small microcontroller and Wi-Fi, all for a reasonable price and in some pretty small form factors. [Simon] used one to build a garage door opener. This project isn’t really about his garage door opener based on a …read more
Continue reading Four Years Of Learning ESP8266 Development Went Into This Guide
You know the funny looking side of the anvil? That’s where the best curves come from. It’s called the anvil horn and is the blacksmith’s friend when bending steel and shaping it into curves.
The principle of bending a piece of steel stock is very easy to understand. Heat it …read more
Continue reading Blacksmithing For The Uninitiated: Curves And Rings
For the past few months we’ve been running this series of Blacksmithing For The Uninitiated posts, exploring the art of forge work for a novice. It’s based upon my experience growing up around a working blacksmith’s business and becoming an enthusiastic if somewhat inexpert smith, and so far we’ve spent …read more
Continue reading Blacksmithing For The Uninitiated: Your First Time At The Anvil
In the village I live the water meter is replaced every 5 years and it was the fifth’s year this year. I took the opportunity to talk to the municipal office, if it was possible to get a water meter with impulse module, which I can integrate in m… Continue reading Howto visualize your water meter and get alerted if too much water is used