![]() In Step 6, ‘Firmware,’ you get to download and handle the code that actually makes the clock keep time. This clock is rigged to trigger a step on a constant interval of 1.125 seconds, which works to keep the time. There’s only around a 50mA current to these wires so there should be no problems in doing this, he reports. dragonator hid the wires by feeding the clock with thin white wires. First, you can simply hide the fact that there are wires running to the clock, or you can “make it pretty”. The input voltage (9-12V) needs to go to the Vin or VBat pin of your microcontroller, and the microcontroller supplies the 5V.įinally, to power the clock you have two options. You can replicate the schematics easily enough, it seems. The circuit for this clock was made on a piece of prototype board, which is quicker than making a PCB. There are 2 buttons on the clock to make the time go up and down. To run the stepper motor, dragonator used a stepstick A4988 stepper motor driver. For the clock’s microcontroller you need something with 5 I/O’s and a built in power regulator. Now it’s time for the electronics in Step 5. Again, there’s eleven steps to follow here and at the end, after you are sure the motor has been properly mounted and rotation has been tested, you disassemble the parts and then reassemble them with locktite and glue. There’s clearly more assembly required to get the clock running, and Step 4 is the House (which holds all motors and gears) Assembly part. ![]() ![]() Once you have followed all of the steps and the hands seem to be running well, it’s time to commit to the job and use your thread locking and super glue to secure everything in its rightful place. Step 3 requires you to assemble your printed parts - words like press, mount, drill, and tap come up here a lot– in ten easy (?) steps. ![]() Now that your printing is done it is time for assembly. dragonator printed the parts with 40% infill at a. Step 2 is the “most laborious” task– the printing. Step 1 is to make sure you have the long list of parts, which you can find here, and the tools, which include: a 3D printer a drill with 2mm, 2.5mm, 3mm, 4mm and 4.5mm metal drill bits Super glue Locktite basic screwdivers pliers and wrenches. Overall print time is around 10 hours using 200-300g of plastic. The minute hand needs a 200×200 printbed size, but the other parts can also be printed on smaller machines. The clock is fully 3D printable, requiring no support material, and it can be printed on most 3D printers. To make the hand in hand clock yourself, you need to print the parts which you can download here. No bells, whistles, or numbers, just a funky and minimalist design that is eye-catching - redefining how we tell time. It’s called a “ hand in hand” clock because the minutes hand is attached to the end of the hours hand. ’s “dragonator” brings us this clock making and watching experience you won’t forget. What if I told you that there’ s an open source fully 3D printable clock that is so unique, it will give you a whole different reason for watching the clock? Have you ever had a job that was so boring, or that you disliked so much, that all you did was watch the clock move toward that time when you could finally leave? That’s the idea behind the term “clockwatcher.” It’s a person who simply watches the clock and waits for time to pass.
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