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    1. First you need to get a computer. It seems like that you today only have a Teletype from about 1968 that only can use UPPER CASE. With a teletype it is very hard to click on the links in the post here.

      If you have a computer you can click on the word “posted” (in the sentence “charudatt posted a self switching” above) and you will be taken to the forum and there you will find the schematics and pcb layout for this project.

      Please be aware that you will have to click on more links there to download the files. So I must stress the importance of getting a computer that can both mouse click and write in lower case and NOT A 45 YEAR OLD TELETYPE THAT ONLY USES UPPERCASE.

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