Control MeArm robot with onboard joystick.
Connect upper arm servo to X1, lower arm servo to X2 and hand servo to X3 and base servo to X4
At the moment servo X4 is not working yet, so the base can not be moved.
Control servo base + lower arm OR hand and upper arm with joystick.
Change speed with A button.
Change which servo set to control with B button or joystick centre.
DC motor control:
Control 2 DC motors with joystick
Connect motor1 control to x1 and x2
Connect motor2 control to x3 and x4
Motor driver is a very simple H-bridge, with no internal logic (L9110 DC)
Control motors with joystick, speed with A and B
Rotary Encoder: decode digital pot meters and servo feedback opto couplers
Howto: Solder 4x3 header pins on the servo solder pads.
Connect output A of rotary encoder to X1
Connect output B of rotary encoder to X2
Optional:Connect reset output of rotary encoder to X3
The current count will be displayed. Press button A to reset counter to zero