Cor-ten Steel

Most people working with steel go to great lengths to make sure that it does not rust. However “Weathering Steel” or Cor-Ten® Steel as it’s most commonly known is actually designed to rust. The sheets rust following installation and generate
Eye spy with my little opercula

Some people like to spot trains or busses, some like to take photos of fancy iron work. Christopher Howse on the other hand looks for opercula, coalhole lids. These are circular cast iron plates which lock into a metal ring
Topsy Turvy Clock – FAQ

There have been some questions about the Topsy Turvy Clock that I’ve entered in the SimplyAVR Design Contest Why?This is the question that I get asked the most and it shows the people who really know me vs those who
A working Topsy Turvy Clock

Late last year I was watching a kids TV show and spotted a rather unusual clock, it was a simple mantel clock but the numbers were in topsy turvy locations. I wondered if I could make such a clock and
RTC Revisited

It’s been quite some time since I last looked at the RTC module for the Topsy Turvy Clock. I’ve found a suitable rechargeable battery but until now I’ve been focusing on the motors and mechanisms. When I tried to get
Clock Electronics Current

The initial design for the Topsy Turvy Clock had all of the circuits being driven through the regulator on the microcontroller. This is a MIC5219 regulator and is rated at 500mA but also has a very low dropout voltage. The
Sign-O-Matic

To finish off the Topsy Turvy Clock I wanted to add a tag or sign on the back so that people would know when it was made and by who. I initially thought of a stainless steel or brass metal
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Metal sculpture in brass, mounted on an 1800s French Coin





