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The TO220 cased device is a TYN816 which is a 16A, 800V SCR. The CMOS device is an HCF4017BE decade counter. The LV for the CMOS can be generated in a number of ways and without drawing out the schematic it's impossible to say - it could be a simple capacitor dropper or using one of the TO92...

Being fair, that's a 3-phase controller and unlikely to be used in a cordless drill. Single phase is considerably simpler, though it may include PID algorithms for set point hysteresis reduction under load etc.

I KNOW the pain...

They are actually very nice people - they are DEFRA/APHA/NBU Bee Inspectors who spend their summer months doing 1 week of Asian/Yellow-Legged Hornet work and then 1 week of inspecting colonies of bees for disease, then back to AH stuff and so on. Certain diseases are "Notifiable", i.e. if you...

A WBC won't protect you against gales - on the contrary, as it's not got a flat roof you can't stick lumps of paving slab or similar on them - you have to strap them down to something solid which is yet another pain. Exposed hives around here without rocks on them were blown over in storm Eunice...

FlowHive. Avoid. (Very) Expensive gimmick. Can't be sterilised. Poor hygiene. Non standard frames, locked in ecosystem etc. Don't go there. Keeping bees is livestock management. It requires care, attention to detail, time and effort. With our warming and wetter climate, diseases that were...

Been keeping bees since I was 12, now I'm 66 and still learning. I certainly wouldn't go WBC - they are a complete pain to work with and although they look cute, I would never use one unless you are in the north of Scotland or similar. They are a double walled hive with an external shell...

I didn't make this but I certainly wish that I had...

Worth noting that both Edge and Brave are built on the same core as Chrome, i.e. the Chromium project. So whilst, given the chance, they should all render a given page the same way, Brave blocks a tonne of stuff. See: https://brave.com/compare/chrome-vs-brave/ Firefox uses a different...

I used LastPass but it's not "on" by default (see screenshot below). The browser plugin works by injecting several 100 KB of JavaScript (federated-login-content-script.js, inject-credentials.js,onloadwff.js,web-client-content-script.js) into every page you load, searching for username and...

Interesting idea but has some subtle weaknesses. AES is a symmetric block cypher, so to decrypt the message, the original encryption key is required and therefore must be stored. The QR code contains a unique identification code - actually the initialisation vector (IV) used for the AES...

I have all our ex-use SSDs/hard drives/USB sticks etc. shredded in front of us, I.e. the shredder comes to the office and we physically carry the equipment to the shredder and witness the process - we never let the stuff leave our sight. The result is like metallic kitty litter. I'm responsible...

European Hornet (Vespa crabro) queen. Mostly harmless. Quite a few around at the moment. Normally ignore folk - they're just big & noisy...

I use osmo 420/425 for all exterior oak door and windows and it dries in 24 hours in decent weather. If you're having problems, osmo have area reps who can come out and have a look. They did for us when we were originally trying to decide what to use. 32 exterior oak doors and windows.

If you want to see what can be determined just from you connecting via a browser to a site, have a look at https://whoer.net/ It will show you what can be determined from your connection. Then access it over a VPN. Quite enlightening. Try different VPNs - Not all VPNs are the same. Try...

Please let me know what I owe you. Thanks.

Thinking about other cars I've had that have given loads of fun, I had an RS1600i (PRP 244Y) back in the early '80s which was a bonkers vehicle - one of the first and very best "hot hatch"s. Then there was my desert jeep, Stoffel, which I had for three years in Oman and the UAE. My current...

My favourite drivers car was the E30 BMW M3 (LHD) homologation series that I had from '88. E802 DRS, now SORNed. Top Gears "Car of the decade". Had it as my daily driver for several years. Current favourite, and one that always brings a grin to my face, is my Defender '93 200TDi which I'm...

That would be amazing. I'll drop you an email.., It turns out you've set your contact details to private - perhaps send me one instead so I can reply? Thanks