msiegel Star

Tags  →  mechatronics

"Two-channel audio amplifier drives stepper motor"
// a 'class D' audio amp chip as a motor driver. If using a smooth waveform instead of on/off pulses, this is probably a lot more power efficient than normal drivers -- maybe avoiding the need for heatsinks entirely.
"an open-source hardware and software project intended to create an exceptionally powerful and versatile autopilot system"
really nice discussion of electromagnetic actuators. thanks to ar0cketman