DIY: Vacuum and Temp Monitor Under $150

[cyclopath]

just tying these two together… similar but different.

Budget Digital Vacuum Sensor, read a 60$ pirani gauge through your PC

inspired by

Vacuum gauges

I just finished up my high vacuum gauge/controller. Its probably 4 or 5 on the diy difficulty scale, but it works great and has better features then the expensive name brand controllers. Here’s a few pictures of the setup. I use an arduino mega and some mks 901 active micro pirani sensors. You can pick up the sensors on ebay for $40-$60 all day long. It currently can support 2 sensors and can switch on or off equipment if you want it to. Although, i’m not sure why i added that feature. I dont t…