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E-beam power supply
Log from Vacuum System for Deposition
The biggest issue to getting this thing working has been the Electron Beam Gun power supply. This gun wants 10kv at up to 1.2amps to run it, thats 12KW! Not easy to do. I looked at trying to modify other stuff like ion pump power supplies, built voltage...

Back to the drawing board...
Log from Vacuum System for Deposition
So, I have scrapped the idea of getting this supply running for the e-beam gun. Finding a tube has been very difficult so I picked up a Thermionics EBPS15, 15kw, tetrode electron beam power supply to do the job, it is good for up to 10kv at 1.5 amps....

Power Supply has Arrived
Log from Vacuum System for Deposition
The power supply showed up today. Barely made it here on it's pallet and just a bit of minor damage.It was not banded very well and the fan box on top was ripped off. No big deal, took like 10 minutes to fix the box.Popped it open to find mice had made...

E-Beam Power Supply Repair
Log from Vacuum System for Deposition
With the generator running well and the interconnects made for the power supply and control box I decided to power the thing up and see if it worked. I fired up the generator and flipped the breakers on the front panel. Filament voltage was good. After...

Finally Assembled
Log from Project Photobooth
I suddenly decided that I didn't necessarily need my control circuit completed to put the lights in the booth. Here's the lights I'm using: http://www.amazon.com/Sylvania-72344-Mosaic-Flexible-Light/dp/B008COVFUAThe backs of the light strip...

Ready to fabricate
Log from Bruce the Shark
The current state of the project is that I have a working breadboard implementation of the circuit, and all the firmware seems to be working as well. The last week or so I entered the schematic into EagleCAD and designed a PCB based on that. So I am...

PCB fabricated
Log from Bruce the Shark
So the PCB fabrication worked out nicely. I recently switched from using the toner transfer method of home fabricating PCB's to the UV exposure method because I wanted to make compact boards with small SMD components. My experience with toner transfer...

A New Dawn
Log from Setting up Linux AVR and ARM toolchains
I've been a Linux user, off-and-on, since Ubuntu 6.10 (Edgy Eft). By Ubuntu 12.04 (names no longer cute) my Linux use had withered away to 2 days fixing a broken update every 6 months. I spent most of my play-time in my Compaq Presario's XP partition.And...

Noise Immunity
Log from Toy Claw Machine
Now that there have been a couple events under the belt for this machine: sons birthday party and a carnival, I am looking to make the claw machine more noise immune. The last event showed a random reset of the machine that would cause it to home...

PCB's Done . . . but not tested. . .
Log from Toy Claw Machine
The boards are finally finished. This was a long time coming, but I could machine the pcb's (which I have been wanting to do pcb milling for quite some time, but things did not fall into place until now) the mill have to become operational. The...

Wired Test
Log from Toy Claw Machine
Now that the boards were complete, the boards could be wired into the box. The boards were designed to keep the 5V power supply voltages separate between the two boards. This required 2 separate 5V power supplies to feed the control voltages...

Omaha Mini Maker Faire
Log from Toy Claw Machine
Here is claw machine at the booth of the Omaha Mini Maker Faire. It was a good show and there were lots of kids to win the prizes inside. By the end of the day, I only had to pull out a dozen of toys to just give away. Along with the...

PIC Modifications Implemented
Log from Toy Claw Machine
The following has been implemented:Allowed for communication with Claw machine mode via RS232 using the following menu structure:prog Enter into programming mode. Game play will be suspended after push button routine is finished (normal claw machine...

Bluetooth Capable
Log from Toy Claw Machine
Still wanting to add the capability of using android apps to control the claw machine, I am making progress on this feature. Adding an HC06 made adding Bluetooth relatively easy. This is a serial Bluetooth device that is pretty straightforward to use....

Bluetooth Module/3.3V Power Regulator
Log from Toy Claw Machine
To finalize the Bluetooth added feature, a small 3.3V regulator board was needed. Along with this, it was designed to also carry the voltage level shift and HC06 as a plugin.The voltage regulator is an LM317 adjustable supply. This allows for an adjusable...

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