Search found 5134 matches
- Sat Jun 03, 2023 10:08 pm
- Forum: Assorted Stuff
- Topic: Anyone here understand tuning PID controllers?
- Replies: 7
- Views: 120
Re: Anyone here understand tuning PID controllers?
Yup it's a sort of PWM. Thanks Nick for the tuning advice - Ive seen similar on the web, but with slightly different approaches, e.g. Back off 50% rather than 20-something. I'll give your approach a go tomorrow. I've used a smart plug to monitor the power usage as it approaches set point. You can se...
- Sat Jun 03, 2023 9:18 pm
- Forum: Assorted Stuff
- Topic: Anyone here understand tuning PID controllers?
- Replies: 7
- Views: 120
Re: Anyone here understand tuning PID controllers?
Good call on the Arcol resistors - 2 x HS100 330R is about 8 quid cheaper than 1 x HS200 680R as HS200s are a bit pricy... I'll stick those on a decent heat sink ank that should do nicely. The TD4 controller has a "learn" mode that auto-tunes... Not much documentation on it, but I'm using ...
- Sat Jun 03, 2023 5:32 pm
- Forum: Assorted Stuff
- Topic: Anyone here understand tuning PID controllers?
- Replies: 7
- Views: 120
Anyone here understand tuning PID controllers?
I'm experimenting with a PID-based controller for warming honey, but the controller is oscillating round the set point. The controller I'm using is a MyPin TD4 - very common controller but not in this scenario. I'm using 2 x 40W incandescent bulbs for my heating element and an old fridge as my insul...
- Sat Jun 03, 2023 10:30 am
- Forum: Assorted Stuff
- Topic: Nothing In Particular
- Replies: 15649
- Views: 3340243
Re: Nothing In Particular
I understand a good queen (one that's passive to promote a calm hive) isn't cheap? There's a lot of definitions of a "good queen": fecund, calm, suited to the local (micro)climate disease resistant, not prone to swarming, long lived, good honey crop, good progeny, good over wintering, pro...
- Sat Jun 03, 2023 8:57 am
- Forum: Assorted Stuff
- Topic: Nothing In Particular
- Replies: 15649
- Views: 3340243
Re: Nothing In Particular
Thought I'd try a different type of queen in a couple of my hives....
- Tue May 30, 2023 8:51 pm
- Forum: Assorted Stuff
- Topic: The Audio-Talk Cycling thread.
- Replies: 3670
- Views: 946472
Re: The Audio-Talk Cycling thread.
Excellent ride Ray! Very good pace (*)
(*) SWIDT
(*) SWIDT
- Mon May 29, 2023 3:44 pm
- Forum: Assorted Stuff
- Topic: Nothing In Particular
- Replies: 15649
- Views: 3340243
Re: Nothing In Particular
When you first mentioned this, I was determined to set it up. Damn. Another project. More standby power... Dead simple to set up. Assuming you’ve got a spare pi, you just need one of these UGREEN USB Sound Card, USB to... https://www.amazon.co.uk/dp/B01N905VOY?ref=ppx_pop_mob_ap_share And one of th...
- Sun May 28, 2023 4:06 pm
- Forum: Assorted Stuff
- Topic: Interesting (non musical) YouTube videos.
- Replies: 306
- Views: 60020
Re: Interesting (non musical) YouTube videos.
Didn't he call his butler "Scrotum" because he was his wrinkled old retainer?
- Sun May 28, 2023 11:44 am
- Forum: Assorted Stuff
- Topic: Nothing In Particular
- Replies: 15649
- Views: 3340243
Re: Nothing In Particular
I have a similar thing running on a Raspberry Pi with a mic hanging out of the kitchen window. https://www.raspberrypi.com/news/classify-birds-acoustically-with-birdnet-pi/ My son introduced me to it a while ago and has the same setup running in his garden in Somerset. It’s pretty accurate but it d...
- Sun May 28, 2023 9:22 am
- Forum: Assorted Stuff
- Topic: Nothing In Particular
- Replies: 15649
- Views: 3340243
Re: Nothing In Particular
Went of a farm walk yesterday specifically aimed at my beekeeping group - one of our members has operated a sustainable mixed farm for 35 years. It was a wonderful way of spending a couple of hours on a beautiful Saturday afternoon. My first outing since the op last Saturday. One the the things that...
- Sat May 27, 2023 5:11 am
- Forum: Assorted Stuff
- Topic: Landrovers...
- Replies: 51
- Views: 16594
Re: Landrovers...
Yep. But try driving the Lexus 1/2 mile down a steep, narrow, deeply rutted and very very muddy track and then across a couple of ploughed fields whilst transporting a load of 45cmx45cm wooden boxes full of angry bees or a few 100kg of logs. I have a love/hate relationship with the Landy. On one han...
- Fri May 26, 2023 9:21 pm
- Forum: Assorted Stuff
- Topic: CAD systems...
- Replies: 8
- Views: 272
Re: CAD systems...
I've used Fusion 360 as it comes with my Eagle subscription.
I find it complex and clunky. YMMV.
I find it complex and clunky. YMMV.
It runs under Parallels.
- Fri May 26, 2023 9:20 pm
- Forum: Assorted Stuff
- Topic: Landrovers...
- Replies: 51
- Views: 16594
Re: Landrovers...
Starting in the bodywork. Rear corner capping first, as they are rusted...
- Fri May 26, 2023 6:57 pm
- Forum: Assorted Stuff
- Topic: CAD systems...
- Replies: 8
- Views: 272
Re: CAD systems...
FreeCAD is a bit clunky. SolidEdge is very good, but has a tiny general market share. I'm only interested in full 3D parameterised systems, rather than 2D, which are suitable for both 3D printing and CNC machining. Blender and some of the others are polygon based which can lead to models that can't ...
- Fri May 26, 2023 4:27 pm
- Forum: Jokes
- Topic: A little light humour
- Replies: 2527
- Views: 797168
Re: A little light humour
Don't need this myself as the workshop already has a distinct aroma...