You can then raise or lower the output voltage by adjusting a block that is on the step up chip.You can either use a bench power supply, or the wall power supply I put in the parts list. You will need to add power to the chip's input and then measure the output with a multi-meter. The step up chip I chose for this project comes with some soldering required, so go ahead and solder the parts onto the PCB. This step up chip has input and output terminals. The step up chip should be the first portion of this project because it will be necessary to test your nixie tubes individually as well as in conjunction with the other portions of the project. There are many nixie power supply chips on the market but I will focus on the one I added to the parts list in section 1. You can also solder the wires into the wire connectors for added contact surface at the connection. For a better looking final product you can use heat shrink. I usually use electrical tape so that it is easy to get back to the connection for any kind of trouble shooting. Leave one end of the solid core wire striped to be used during the project.Īfter you have connected the wire be sure to add heat shrink or electrical tape around each wire connection so that you can not have any metal on metal contact. Connect the two wire connectors so you have a solid core end for both the hot and ground wires. On one end of the solid core wire, crimp or add another wire connector that will attach to the wire connector at the end of the wall power supply. Cut a length of red and black solid core wire that is about 5 inches long and strip both ends of the solid core wire. I strongly suggest you use a red and black wire for this. After that strip about a half inch off each of the red and black wire to expose the bare copper.Īfter you have added a connector to each end of the power supply you will need to cut two lengths of solid core wire. The red wire is the "hot" wire and the black wire is the "ground" wire, abbreviated as "GND." Use a pair of wire strippers to expose about two inches of the black and red wire. From there you will see two wires inside of the single black insulation rubber. For the one I am using you will take one of the female multiple tail ends and cut off one of the female ends close to the end of the base. The first thing is to get too bare wire from the outlet. If you use a different wall outlet than the one I used make sure it meets the same 12V DC and 2.5 Amps requirements. I will focus on how to use the one I included in the parts list. There are plenty of wall outlet DC converters all over the place. Anyone can order my board project from OHS park.Īfter you have gathered all your parts and soldered together any of the purchased boards you are ready to continue to step 2. The link to this board can be found here. Anyone can buy the same board I designed which would run perfectly with the code I have uploaded to this instructable. They built and shipped my custom board to me for $23. I personally designed a board in a software called Eagle and then exported it into a zip file that I sent to a company called OHS park online. You can make an ugly one or design and build one. The PCB is a component that can be done in a few different ways here. Some type of PCB to solder everything too, (*see details below.*).Electrical connectors, I used a basic male and female ends, they can be found at hardware stores or the web.16 pin IC socket (qty 9) - $10 - On Amazon Here.On/Off toggle switch - $13 - On Amazon Here.Voltage Step Up Chip - $17 - On Ebay Here.12V DC 2.5 amp power supply - $10 - On Amazon Here.14 in Nixie Tube (qty 6) - $25 - $35 - On Ebay Here.Shift Register IC Chip (qty 3) - $9 - On Amazon Here.Nixie Tube Drive IC Chip (qty 6) - $14 - On Ebay Here.15K resistor (qty 6) - $4 - On Amazon Here.1 uF capacitors (qty 6) - $4 - On Amazon Here Arduino Uno Prototype shield - $12 - On Amazon Here.ds1307 clock breakout board - $16 - On Amazon Here.Parts List (Really the must have components): Please note before you get started on this project it will cost about $130 in parts and probably a little more if you want quality and good looking components.
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