3D-Printed Servo-Driven Digital Clock
thingiverse
This is a remix from www.otvinta.com, https://www.thingiverse.com/thing:3266949. I added some thin back covers to hide the cables, some feet and I modified Jordi´s code (see below) for using an ESP32 programmed with Arduino. Find my code here: https://github.com/3KUdelta/ESP32_ServoClock_MST. Author of the original code: Jordi Ginjaume, Original Version 20190118 (his code and case can be found here: https://www.thingiverse.com/thing:3375870) Modified for use with an ESP32 wihtout RTC, just calling NTP all 12 hours over WiFi. I used the following hardware: 1 ESP32 programmed with Arduino 2 PCA9685 chaining servo drivers, set solder blob on A0 on the second board for digits 3 and 4 NTP call via WiFi 28 SG90 servos Important: keep sequence with servos plugging into PCA9685: first digit: 0-6, leave 7 blank second digit: 8-14, leave 15 blank repeat on second board for third and forth digit PIN Connections on ESP32 21 -- SLA 22 -- SLC 0 -- OA I inserted a switch to turn off the power to the PC9685 for programming purposes.
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