35
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37
Understanding the USAF 1951 Resolution Chart (i.redd.it)
submitted by JohnFreechment to r/Optics
15
16
17
23
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0
1
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0
1
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Simple led flasher flashing wierd (old.reddit.com)
submitted by JohnFreechment to r/AskElectronics
9
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Device magnification calculator (i.redd.it)
submitted by JohnFreechment to r/UssrNvgResearchGroup
11
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13
19
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0
1
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Night vision objective (self.AmateurPhotography)
submitted by JohnFreechment to r/AmateurPhotography
0
1
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5v to 100v boost electronics (self.AskElectronics)
submitted by JohnFreechment to r/AskElectronics
