Archive for the ‘Robots’ Category

Blog of the day

While tumbling on the web for something totally different, I found this very interesting post on SERVOMOTORS, STEPPER MOTORS AND ACTUATORS FOR MOTION. Although, the illustrations are dated, I like very much the detailed, accurate and almost exhaustive description of magnetic actuators.

Stepper Motors (Part 6)

Part 1, 2, 3, 4, 5, 6, 7, 8, 9 This post is about an other driver module which is very popular in the world of robots and 3D printers. These modules features the DRV8825 Stepper Motor Controller integrated circuit made by Texas Instrument (Datasheet available from >here<). Although many clones exist, it looks like Pololu was at the origin […]

Stepper Motors (Part 3)

Part 1, 2, 3, 4, 5, 6, 7, 8, 9 A4988 module Let’s go into the details of this module through the understanding of its pinout: The suggested basic wiring is as follows: ~ENABLE: GND MS1, 2 & 3: GND ~RESET connected to ~SLEEP STEP: step pulse DIR: rotational direction GND: same GND for VDD and VMOT […]

Blog of the Day

A robot which helps. At first glance, this balancing robots looks like “just an other balancing robot”, except that the control is expected to be pretty complex for  “just an other balancing robot”. Watching the attached video almost immediately changed my mind: this robot looks like the ultimate helper for carrying things that you cannot […]