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Hey GrahamHanson!With the 360 degree servos, I had a hell of a time figuring out exact PWM timings to send (0.5s, 1.5s, etc.) straight from system command, especially to turn the servo back to home position. I ended up having more luck with the specific PWM values on a set frequency, so I ended up using that approach. Once I started finding more luck with that approach, I just kind of stuck with it. I'm actually taking apart and rebuilding a piece of this over the weekend (I cut the rod for the top clock hand a little too short, so occasionally the hands were bumping into each other), and I want to take a second look at the python script I wrote to see if I can make it more accurate. I might give that a second try, executing directly from Node-Red.
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Hi AndriaL1!Glad to hear you're trying this project out! I admit it was a while back when I bought these, so I'll start looking through my order history on servocity next chance I get! If I remember right, I think the bore on the insides of the gear hub (where the gear connects to the hub and where the shaft fits through everything) was the same size for all of the hubs. where the sizing got a little weird for me was when I was trying to find out the size of the gears themselves that connected to the hubs, because those definitely range in size, but the holes in the middle of them where they connect to the gear hub were all the same.I'll double check my parts, and if it's way off from what I remember, then I'll update this!Best of luck!
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Thanks, yeah I saw your instructable in the IoT contest! I dug your CNC skills :). I had thought about using an arduino to drive mine when I was first planning mine out, since arduino's are a little more geared towards driving servos and motors. I really liked the functionality and ease of use with Node-Red running on the Raspberry Pi though. Especially when I found the Adafruit Pi-Hat for driving servos, then I never looked back! Thanks for the feedback!
Thanks for the feedback! I'm kind of glad you mentioned that, because when I first wrote this, I was worried that I actually put too many pictures in it and that I hadn't explained my process well enough! I do have more pictures that I didn't put up, I might be editing this in the next day to try to add some more photos :)
Yeah, runs great! The Pi-Hat I put on that powers the servos has no problem driving more than one servo at a time, and so far I haven't run into any hiccups of the same python script running in two instances.I did run into a few problems with the timer for setting the lost and Mortal Peril hands not turning off after I entered a new location. That was more a problem with my node-red setup than anything else though. I've temporarily turned that portion off for now while I try to figure out what's wrong with that trigger. Other than that though, so far so good!
Holy Cow, this is a daunting task! Congrats on the awesome build, I love this!
Build your own "Weasley" Location Clock!
Build your own "Weasley" Lo...View Instructable »
Nicely done! I supported your kickstarter for the arcade cabinet, glad to see you're still making new products!!
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Very nicely done! I'm actually working on a moving Weasley clock, and used the app and cloudmqtt site you mentioned in your other instructable on the picture frame! Keep up the awesome work!
We typically stored our shoes right underneath the camper which kept them dry the whole trip, and just had to double check our boots for scorpions when we were in the desert! I'm not gonna lie, cutting either a slot for a slide out tray or holes for rivets would have been really tough for that metal frame that the trailer sits on top of. Might be able to mount something underneath all of that, as long as it doesn't hang too low, and can be taken off and put back on... That is a future upgrade I'd like to make, putting eyelets on the roof that I can clip a tarp on to to serve as an awning! Especially towards the end of this project, I was more focused on the back hatch opening and closing correctly, since that was the last step we were working on right before the honeymoon!Thanks for the...see more »We typically stored our shoes right underneath the camper which kept them dry the whole trip, and just had to double check our boots for scorpions when we were in the desert! I'm not gonna lie, cutting either a slot for a slide out tray or holes for rivets would have been really tough for that metal frame that the trailer sits on top of. Might be able to mount something underneath all of that, as long as it doesn't hang too low, and can be taken off and put back on... That is a future upgrade I'd like to make, putting eyelets on the roof that I can clip a tarp on to to serve as an awning! Especially towards the end of this project, I was more focused on the back hatch opening and closing correctly, since that was the last step we were working on right before the honeymoon!Thanks for the suggestions!
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