The NickelBot has been running great, but there were a few features I also wanted to add. I made a rev 2 PCB to address them. Laser Door Interlock There is a door switch that cuts power to the laser. I did this by splicing into the 12V power line going to the laser. I […]
The NickelBot is complete and it works great. The goal of the project was to create an easily portable machine that creates low cost items that could be given away at events like Maker Faires. I think it has completely achieved that goal. The nickels are purchased from Amazon and cost about $0.08 each. Here […]
Here are some details on the custom laser controller I made for the NickelBot, wooden nickel engraving machine. I want to use Grbl to control the machine. Grbl has support for lasers that allows better power control during the engrave. It also has the Core XY support I need for the H-bot mechanism it uses. […]
I got a chance to do some work into this project and I made some progress. The X,Y mechanism is a free standing H-Bot. Here is a bottom view. You can see the Y home switch and the bottom of the servo to control the nickel. Here is a top view of the mechanism. The […]
I started working on my next backpack scale CNC project. My backpack scale projects are tiny CNC machines that I can easy carry in a backpack to tech meetups and events. This machine is going to be a wooden nickel laser engraver. Wooden nickels are small wooden discs. You can buy blanks from various places, […]
