Category Archives: Project

Project: Seven Segment Display and an Arduino Mega

Everyone has one in their house, a clock on your VCR you never set, a timer on your cooker or your microwave, a digital clock. The seven segments of LEDs that light up to form numbers are made up of Seven Segment Displays. There are all sorts of projects you might want to add these […]

Lasersaur Upgrade

Last weekend we make slight few upgrades to our Lasersaur making it much easier to control air flow, extraction and power to laser just making it bit easier day to day. Thanks to all members that helped out. [Show slideshow]  

Swollen Lithium Batteries

Lithium batteries are in the news for all the wrong reasons at the moment, and not for the first time. We noticed that one of our batteries was a little swollen compared to the others. It seemed to be working OK though. We decided to open up the outer wrap to see if it was […]

Wooden Bicycle Pump

Well not quite, but a wooden handle anyway. We don’t just do bits and bytes at TOG! The bicycle pump handle broke and it seemed a shame to dump an otherwise perfectly good pump. So with a bit of nice round wood cut from an old roller blind pole, we made a new handle. Drilled […]

More lathe work

Our lathe is finally getting some good use! This time, a small part was made from aluminium, a coupling for connecting two pieces of tubing for the water cooling system in the upcoming CNC router project. It will replace the existing temporary hose-and-clamps hack. A piece of bar stock was clamped in a 4 jaw […]

Ebike Charger Lead

Nothing much to see here! A quick weekend afternoon hack. The ebike power supply died, so time to knock up a cable to charge the battery from a variable power supply. A 3-pin XLR socket, a fuse holder with a 5A fuse and a diode for reverse current protection. A bit of soldering and heatshrink […]