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Just built the motor drive for the SP09 and it working, but want to confirm which jumper pins are for speed and direction, I know it’s the top four, but which three are speed and which is for direction
And now I seen the video of the SP11, and the drive is going in that instead 🥺
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Great clock, haloween offers too much to choose from.
Mounted 30 RPM gear motor in base with timer to operate for 1 minute every 12 hours. Two minutes a day = 60 minutes a month = 12 hours a year, pretty effecient. Motor should last years.
Gear motor is pretty loud but not as loud as balls being moved around which is very noisy.
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Is there an Android app to help tune the timing of these clocks? There seem to be two apps that come up on Google Play but neither seem to work very well. The two I keep seeing are 'ClockMate: Clockmaker Toolkit' and 'Watch Accuracy Meter' but neither seem to work properly for me. Is there a different app that people have found to work?
I use an app called "Clock Tuner". It is no longer available in Google Play Store, but supposedly can be found on third party repositories. I recall having to pay a few dollars after a short trial period.
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Hi Steve, I've been running the crazy clock for about a year and but now although the second hand works fine, the minute and hour hands don't change. Could you suggest where the potential problem is likely?
Thanks - Jonathan
There are a few different crazy gear clocks. If it has a second hand, you must be talking about one of the desk clocks.
Here are a few ideas. Check every gear for end shake, especially the central arbor and the friction clutch arbor. Look from the side to see if any gears have warped and are interfering with other gears. Check the set screws on the friction clutch. Follow the gears from the second hand to the minute hand to see if you can identify the first gear that is not moving.
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Hi Steve, quick question, I see you are working on a motor drive for the ball clock SP17, do you think it would work on SP09 instead of using the CNC board etc.
The mechanisms are completely different.
The motor directly drives the hands on SP9, so the accuracy depends on the accuracy of the motor. It needs to be a motor with a precisely controlled speed. A stepper motor is the simplest solution. A DC motor would require an encoder with a feedback loop to set the speed.
The rolling ball clock uses a pendulum to set the rate. Any motor fast enough to keep lifting balls is sufficient. A simple DC motor will work. A stepper motor is more complex, but much quieter as shown in the video.
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As some of you have seen the modifications I did to the SP7 Pendulum Clock. I have morphed it even more lol... Which one do you like ? The last 2 I have hired freelance CAD designers to create the clocks for me.
They look amazing. They also look like non-functional AI images, especially the last ones. Where is the bottom half of the sun/moon dial? Why are there so many floating or partial gears? The AI engine adds so many non-functional gears for symmetry, yet the bottom right gear in the last image has non-symmetrical spokes.
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I'm declaring success for Compact CLock 16. I am delighted to have completed this project and proud that I have a clock to show for my efforts.
I'm writing this for anyone who hasn't built a clock and is wondering if it is a good idea for you.
I started with zero knowledge. Never saw a 3D printer until a friend gave me his son's leftover Creality Ender 3 Neo printer -- very slow. A month later I was still sturggling with first layer adhesion. (Now, I can't get the parts off the bed until the next day.)
All I knew is that I saw StevesClocks.com and I wanted to print a clock.
Now, I have a box of some 29 leftover gears in three color schemes, a few dozen spacers, an extra back frame, two spare front frames, and five times as many failed parts.
I suffered a major setback when…
Thank you for your kind words, all around. For the record -- Frostly the Snowman is being printed so I can effectively shorten the pendulum weight by shifting muass "up." WHy do something so silly? Becasue the 40mm long carbon fiber rods put the bob out of adjustment. I don't know how or dare to cut the carbon fiber -- after all the warnings. So, shift the mass upwards and hide it behind Frosty. I'm a total amateur. I see the recent posts of Clock 17 in Art Deco and I'm kind of embarrassed.. But, when Frosty prints I will such up my courage and show it.
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Hi Steve, any updated links to the correct type of unit, all the ones I have been able to get are different from the one you identify
after looking around found these on aliexpress and it arrived and pendulum is swinging a good 40 degrees
also as a side note, printing the clock on my A1 mini, coming out great
I Used these last week and they are fine.
Quartz Pendulum Drive Unit Module General Movements Clock Repair Acces O TM _&c | eBay UK
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The algorithm evolved since the earliest clocks. The jumper for direction was re-purposed to select debug modes. I use these to test the boards on my Etsy shop. Reversing the motor can be accomplished by rotating the 4 pin connector.
Here are the modes in the latest algorithm:
Motor speed settings (subject to change)
0: 00000 1.000 RPM reserved
1: 00001 4.630 RPM SP10 with 200 step motors
2: 00010 4.630 RPM SP10 with 400 step motors
3: 00011 3.600 RPM SP6 with 200 step motors
4: 00100 4.667 RPM SP9 with 200 step motors
5: 00101 6.944 RPM SP11 with 200 step motors
6: 00110 6.944 RPM SP11 with 400 step motors
7: 00111 20.00 RPM fast debug mode
Debug routines
8: 01000 LED off no test running
9: 01001 LED on simple hardware test
10: 01010 LED on simple hardware test
11: 01011 Delay test LED will blink at 1Hz (0.5s on, 0.5s off)
12: 01100 LED on simple hardware test
13: 01101 RTC test LED should blink at 0.5Hz if RTC is working
14: 01110 Rotate CW Rotate motor one direction at medium speed
15: 01111 Rotate CCW Rotate motor in opposite direction at high speed
Steve