Timeline for Using skin to close low-voltage circuit
Current License: CC BY-SA 4.0
12 events
| when toggle format | what | by | license | comment | |
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| Aug 4 at 8:01 | answer | added | Simon Fitch | timeline score: 1 | |
| Aug 4 at 1:08 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Nov 27, 2023 at 8:22 | history | edited | Erik | CC BY-SA 4.0 |
added missing word, not changing or redefining query.
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| Feb 6, 2023 at 14:33 | history | edited | Erik | CC BY-SA 4.0 |
added 644 characters in body
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| Feb 1, 2023 at 23:52 | comment | added | dandavis | you want a 3v cell (or two in series( and at least a darlington, maybe 2. basically, build a ghost detector and backoff the transistor count until you have to actually touch it to light. | |
| Feb 1, 2023 at 18:10 | comment | added | periblepsis | Well, in my case not exactly. But in your current situation, assuming you are willing to have two contacts protrude the ball, I'd try that as a "next step." It might get you there. | |
| Feb 1, 2023 at 18:05 | comment | added | Erik | As in three BJT's in a darlington configuration? | |
| Feb 1, 2023 at 17:26 | history | edited | ocrdu | CC BY-SA 4.0 |
added 7 characters in body; edited tags; edited title
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| Feb 1, 2023 at 17:11 | comment | added | periblepsis | Some of them that I've used have two small metal contacts on the outside of the ball similar to a ping-pong ball. When both were in skin contact the ball would light up. I believe they used three BJTs, not two. I've since designed a circuit that can be used for similar purposes -- was designed to detect even slightly moist surfaces -- and I may be able to find the design (or recreate it) at some time later. | |
| Feb 1, 2023 at 15:39 | answer | added | Dirk Bruere | timeline score: 0 | |
| S Feb 1, 2023 at 15:31 | review | First questions | |||
| Feb 1, 2023 at 17:26 | |||||
| S Feb 1, 2023 at 15:31 | history | asked | Erik | CC BY-SA 4.0 |