Rain Gauge Heater

melt the snow/ice. I also wanted to use Cat5 cable, it's cheap and plentiful. The next Issue was, how much wattage would be needed to heat the gauge, well a bit of a finger in the air on this one. I know 12v bulbs seem to work to a degree, so as I know...

Chronverter (time source)

has sent me a new version of the PIC with updated software, this now allows a GPS system to be connected all the time if needed. I put the Chronverter into a small box. I have allowed it to be neatly connected to the Sven Nixie Tube clock. The only...

Soil Temperature Sensor Build

a termination point. This would allow for the sensor to be isolated if there were any issues with it, easily. All that is needed is a RJ45 joiner, so a waterproof box with cable glands was sourced from a local electrical supplier, in my case TLC. A...

Raspberry PI - I2C Compass

backup anemometer, as you will see the compass chip is a tad tight to the main instrument board, so a little fettling was needed.. Following is the pictures of the fettling, as you can see the distance from the instrument board is much improved. There...

Raspberry PI NTP Stratum 1 Server

on soon. By making the veroboard the same foot print as the PI, means it's very easy to mount the board, no external box needed, A Raspberry PI with a Loft.

Raspberry PI GPS Time Source

uses a radio controlled time source to sync to, the MSK clock in the UK. This has not been that reliable, thus I decided it needed to be changed for another time sync system. The clock also supported GPS as a time source. Hum, this would mean getting...

Nixie Tube Clock - End On Tubes

a year to complete, other things kept getting in the way.. like work. It's not a particularly complex case the front panel, needed cutouts from the tubes to poke through, plus 4 holes for the mounting to the real panel. One of my friends milled out...