need light duty servos fit onto notched shaft on motor contorols. 2 servos per box. 120 v or a recargable bateery similar to cell phone battery preferably. wifi and blue tooth controled by motherboard 8 channel preferably programmable app prefereabke. i saw some ynit by geektool i believe that was perfect for musicians to control sound effects but not available for purchase i dont believe. i only need about 2kg max torque
You can start with 2 x MG90S servos (per box), 1 ESP32 microcontroller a PCA9685 16-channel servo driver and one 3.7V LiPo battery with a step-up converter or 5V DC adapter.