A three part article developing software to drive a MeArm robot arm connected to a Pi by a 4tronix picon zero board, all controlled by a wireless ps3 controller. You can can control the 4 servos with the ps3 controller, and teach the arm a series of movements which can be recorded and played back later. You can select between two playback modes. One is in real time, replicating the record process. In the other, a fixed time intervals is employed between each step, giving a more fluid operation. You can pause and restart replay at any stage, and save the recorded sequence to a file on the SD card.
Articles: https://rbnrpi.wordpress.com/2016/05/23 ... ero-board/
https://rbnrpi.wordpress.com/2016/05/24 ... rd-part-2/
https://rbnrpi.wordpress.com/2016/05/25 ... -part-2-2/
Includes links to videos. and program code. e.g.https://www.youtube.com/watch?v=spONiLz-I7M