Modular Seven Segment Display for Mechanical Servo Clock
Modular Seven Segment Display for Mechanical Servo Clock
3D
Published 2019-09-10T16:41:40+00:00
This is one digit that can be stacked with 3 others to form mechanical digital clock. The digits feature magnetic latches to attach to each other.
You can see the model in action here: https://youtu.be/_VVAtisfg6M
Below is a list of parts needed.
Parts to be printed
1 x chassis-bottom
6 x column
7 x spurgear12T
7 x spurgear24T
7 x ServoBracket
7 x segment-half (black)
7 x segment-half (white or other high visibility colour)
2 x chassis-top-center
1 x chassis-top-outer
1 x wall-sockets (in case of main digit)
1 x wall-junction (2 in case of middle digits)
1 x wall-tall-plain
1 x wall-short-plain (2 in case of secondary digits)
Components to be added
1 x 12-bit PCA9685 16 Channel PWM Servo Motor Driver I2C Module for Arduino
7 x 9G SG90 Mini Micro Servo For RC Robot Helicopter Airplane Car Boat CA 1PCS/5PCS/10PCS
2-4 x Neodymium magnets 10x2mm (2 - 4 per digit)
14 x 20x2mm shafts (can be cut from longer lengths)
Below is a sample Arduino code that can be uploaded to the Wemos:
Sample Code
| Date published | 10/09/2019 |
| Support Free | YES |