doodle clock #2

Prints (0)

Description

Summary i built the first doodle clock http://hackaday.com/2012/03/14/robotic-doodle-clock/ 3 years ago as a joke. But to watch the clock work was so mesmerizing that i wanted it to be a practical desk clock. The biggest problem with the first clock was the drying up of the markers after just 30 minutes of working. So the solution to that i found was the magnetic writing boards http://www.walmart.com/ip/Fisher-Price-Doodle-Pro-Basic-Purple/26012794 made for children. I used 2mm cylindrical magnets inside a solenoid to write and erase the text. Next i replaced the servos with small geared steppers to make the clock very silent and smoother. And finally all parts were designed and 3d printed . I also got the final pcb manufactured . http://hackaday.com/2015/10/06/robot-clock-writes-time-over-and-over-and-over/ https://youtu.be/MmIP156JIxg Print Settings Rafts: No Supports: No Resolution: .25 Infill: 50% Post-Printing clean up the holes

Design Files

File Size

doodle_base.stl
107 KB
motor_2_connector_base.stl
38.3 KB
solenoid_bottom.stl
13.2 KB
basew_plate.stl
684 Bytes
lower_arm.stl
52.4 KB
solenoid_top.stl
49.1 KB
upper_arm_1.stl
45.2 KB
upper_arm_2.stl
39.2 KB
connecor_arm.stl
31.3 KB
screen_mount.stl
23.1 KB
screen_frame.stl
3.4 KB

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