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Educational toy for teaching to read
This is a proof of concept for my sister, she works as a teacher and while teaching her child to read had an idea, to build a device that would spell/vocalize the assembled syllables. So this is how I went about building the prototype to test the concept. These components where used in the assembly:…
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Fancy hydro-static fuel gauge for a motorcycle
Another fun little project to solve a real problem. I have an old motorcycle TDR125, that hasn’t got a fuel gauge and it’s a 2 stroke so any random fuel isn’t suitable it needs oil mixed in there as well. So it was asking for some modernization – digital fuel gauge based on hydro-static pressure.…
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DIY smart roller blinds motor
Parts list: Fun little project with better specs, in certain aspects, than off the shelf solutions. Main feature is ethernet and no need for an app and a multi-turn pot as a cheap “multi-turn absolute encoder”, so when I inevitably need to open or close and don’t want to use a phone or desktop I…
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Configuring HAProxy to use AOP (Authenticated Origin Pulls)
you get authenticated_origin_pull_ca.pem from https://developers.cloudflare.com/ssl/static/authenticated_origin_pull_ca.pem /etc/haproxy/ssl/certs is a directory containing pem files for your domains e.g. /etc/haproxy/ssl/certs/simple.example.com.pem verify optional can be changed to verify required. This will force the client to provide a client certificate and if they don’t they get SSL handshake error. Lastly you need to enable this settings in the SSL/TLS ->…