Modular Seven Segment Display for Mechanical Servo Clock
myminifactory
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/_VVAtisfg6MBelow is a list of parts needed. Parts to be printed 1 x chassis-bottom6 x column7 x spurgear12T7 x spurgear24T7 x ServoBracket7 x segment-half (black)7 x segment-half (white or other high visibility colour)2 x chassis-top-center1 x chassis-top-outer1 x wall-sockets (in case of main digit)1 x wall-junction (2 in case of middle digits)1 x wall-tall-plain1 x wall-short-plain (2 in case of secondary digits) Components to be added 1 x Wemos D1 mini V3.0.0 Development Board ESP8266 4MB WIFI Internet of Things Compatible with Arduino MicroPython Nodemcu 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
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