Index
Blog
Robotics
Mirft2: a walking robot using the fischertechnik TXT controller, Linux and Python

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This is a long-running series of videos, started in 2016, because I come up with (and get suggestions for) new ideas for software and hardware, have to fix or improve things, etc. It currently has 4 encodermotors.

9 February 2024: When preparing for the video, I notice that the leg guides do not all have the same construction. So I will reconstruct 2 of them and hope that all will be well. However, the test shows something else is wrong as well. But that's for next time. Click the image to watch the video. See also the blog.
 
8 December 2023: After-convention (Sinsheim & Schoonhoven) check-up, fixes and test. Click the image to watch the video. See also the blog.
 
1 September 2023: Fixing wiring which got stuck in the gears, then fixing a gear, debugging and walking with a ...... Click the image to watch the video. See also the blog.
 
7 July 2023: IP address issues and After-convention check-up and test. Admittedly, the last convention was a while ago, but with 1 video a week and multiple topics to cover... it has taken a bit of time. Click the image to watch the video. See also the blog.
 
28 April 2023: After-convention video for check-up and more. Click the image to watch the video. See also the blog.
 
3 March 2023: power, more colours via Python, darktable and colourmodels. Click the image to watch the video. See also the blog.
 
13 January 2023: power, user interaction & more via Python. Click the image to watch the video. See also the blog.
 
25 November 2022: AC vs battery, darktable, Python, measuring voltage. Click the image to watch the video. See also the blog.
 
16 September 2022: battery vs adapter, power oops, voltage, gear, ROBOPro. Click the image to watch the video. See also the blog.
 
19 August 2022: Gear, power, socks, voltage, AC vs battery, images. Click the image to watch the video. See also the blog.
 
22 June 2022: After being a total fail at the Montfoort, NL convention, I have to check and test. Click the image to watch the video. See also the blog.
 
17 June 2022: Frame check & fix, friction fix. Click the image to watch the video. See also the blog.
 
27 May 2022: Frame check & fix, friction fix. Click the image to watch the video. See also the blog.
 
13 May 2022: Gears check, distance setting, touch sensor, more. Click the image to watch the video. See also the blog.
 
25 March 2022: Direction, Python, touch sensors, camera images. Click the image to watch the video. See also the blog.
 
11 March 2022: Boot & walking oops, Python, touch sensors, OpenCV. Click the image to watch the video. See also the blog.
 
25 February 2022: Walking, OpenCV, touch sensors, voltage, some speed-up. Click the image to watch the video. See also the blog.
 
11 February 2022: Walking, Python, touch sensors, LEDs, wiring, speed up. Click the image to watch the video. See also the blog.
 
28 January 2022: Walking, Python, touch sensors, OpenCV, some speed up. Click the image to watch the video. See also the blog.
 
7 January 2022: Walking, Python, synchronisation, OpenCV, speed up. Click the image to watch the video. See also the blog.
 
17 December 2021: Check up, walking, velocity, synchronisation, speed up. Click the image to watch the video. See also the blog.
 
26 November: Walking, Python, modification & checking; speed 2-16x. Click the image to watch the video. See also the blog.
 
5 November: Power, gears, sensors, datafile, Python, OpenCV. Click the image to watch the video. See also the blog.
 
8 October: Walking, power, sensors, data, Python, OpenCV, more. Click the image to watch the video. See also the blog.
 
17 September: Battery, power, walking, Python, time, OpenCV, analysis. Click the image to watch the video. See also the blog.
 
20 August: Gear, battery, power, scaffold, analysis, weight, more. Click the image to watch the video. See also the blog.
 
6 August: Gear, battery, balance, reconstruction, Python, more. Click the image to watch the video. See also the blog.
 
16 July: Walking, Python, OpenCV, colours, gear, analysis. Click the image to watch the video. See also the blog.
 
25 June: Walking, Python, diversion, speed, OpenCV, colour. Click the image to watch the video. See also the blog.
 
4 June: Intro, walking, gears, Python, OpenCV, images. Click the image to watch the video. See also the blog.
 
23 April: Power, battery, walking, Python, OpenCV, reconstruction. Click the image to watch the video. See also the blog.
 
02 April: Intro, ssh, power, Python, OpenCV, histogram, walking. Click the image to watch the video. See also the blog.
 
12 March: Intro, ssh, Python, walking, OpenCV, histogram, power. Click the image to watch the video. See also the blog.
 
19 February: Intro, reconstruction, stability, Python, walking, more. Click the image to watch the video. See also the blog.
 
5 February: Intro, ssh, Python, OpenCV, imagemagick, walking, weight. Click the image to watch the video. See also the blog.
 
22 January: Intro, ssh, Python, OpenCV, imagemagick, wiring, motors. Click the image to watch the video. See also the blog.
 
1 January 2021: Intro, ssh, firmware, Python, vnc, OpenCV, comparison. Click the image to watch the video. See also the blog.
 
27 November 2020: Intro, ssh, firmware, Python, vnc, ROBOPro, questions. Click the image to watch the video. See also the blog.
 
6 November: Intro, ssh, firmware vnc, ROBOPro, rsa, password. Click the image to watch the video. See also the blog.
 
9 October: Intro, bluetooth, wifi, vnc, ROBOPro, iPad. Click the image to watch the video. See also the blog.
 
18 September: Intro, firmware, vnc, ssh, ROBOPro, wifi, bluetooth. Click the image to watch the video. See also the blog.
 
21 August: Intro, firmwares, vnc, ssh, ROBOPro, password. Click the image to watch the video. See also the blog.
 
24 July: Intro, firmware, vnc, ROBOPRo, ssh, Murphy's Law. Click the image to watch the video. See also the blog.
 
3 July: Intro, ssh, Linux, firmware, version, upgrade, OpenCV, VNC. Click the image to watch the video. See also the blog.
 
19 June: Intro, ssh, Linux, kernel, firmware, version, update. Click the image to watch the video. See also the blog.
 
29 May: Intro, ssh, firmware, camera, Python, Linux, more. Click the image to watch the video. See also the blog.
 
8 May: Intro, ssh, firmware, camera, Python, Linux, more. Click the image to watch the video. See also the blog.
 
17 April: Intro, ssh, firmware, Linux, camera, Android, Python. Click the image to watch the video. See also the blog.
 
20 March: Intro, ssh, camera, Android, floor, Python. Click the image to watch the video. See also the blog.
 
6 March: Intro, firmware, ssh, camera, Android, date, Python. Click the image to watch the video. See also the blog.
 
21 February: Intro, firmware, ssh, camera, Android, date, Blender3D. Click the image to watch the video. See also the blog.

7 February: Intro, batterycell, voltage, WLAN, camera, Android, more. Click the image to watch the video. See also the blog.
 
24 January: Intro, power, firmware, camera, Android, WLAN, memory. Click the image to watch the video. See also the blog.
 
10 January 2020: Intro, power,firmware,Python,camera, Android, WLAN oops, Murphy's Law. Click the image to watch the video. See also the blog.
 
27 December 2019: Intro, firmware, Python, camera, iPad, Android, Blender. Click the image to watch the video. See also the blog.
 
6 December: Intro, firmware, Android, picture, Python, more. Click the image to watch the video. See also the blog.
 
15 November: Intro, firmware, camera, RoboPro, Android app, more. Click the image to watch the video. See also the blog.
 
1 November: Intro, RoboPro, Python, motors, picture, Blender, more. Click the image to watch the video. See also the blog.
 
18 October: Intro, test, RoboPro, firmware, USB, wifi, Python, more. Click the image to watch the video. See also the blog.
 
4 October: Intro, oops, RoboPro, Python,scaffold, floor, Blender. Click the image to watch the video. See also the blog.
 
13 September: Intro, RobotPro, Python, scaffold, floor, Blender3D. Click the image to watch the video. See also the blog.
 
30 August: Intro, motors, RobotPro, Python, OpenCV, Blender3D, oops. Click the image to watch the video. See also the blog.
 
16 August: Intro, connection, Python, OpenCV, Blender3D, more. Click the image to watch the video. See also the blog.
 
2 August: Intro, gear, Python, OpenCV, Blender3D, gear, sizes. Click the image to watch the video. See also the blog.
 
19 July: Intro, gear, Python, rename, datalog, Blender3D, gear. Click the image to watch the video. See also the blog.
 
12 July: Intro, gear, Python, input, oops, Blender3D, gears. Click the image to watch the video. See also the blog.

5 July: Intro, gear, modification, test, Python, Blender, property. Click the image to watch the video. See also the blog.

28 June: Intro, gear, RoboPro, gEDA, Python, input, Blender3D. Click the image to watch the video. See also the blog.

21 June: Intro, Python, gear, test, gEDA, Blender3D, animation. Click the image to watch the video. See also the blog.

14 June: Intro, Python, OpenCV, HSV, values, Blender3D, animation. Click the image to watch the video. See also the blog.
 
7 June: Intro, test, Python, gears, OpenCV, HSV, Blender, more. Click the image to watch the video. See also the blog.

31 May: Intro, Python, gears, OpenCV, Blender3D,  GazeboSim. Click the image to watch the video. See also the blog.

24 May: Intro, test, Python, gears, OpenCV, Blender3D, Gazebo. Click the image to watch the video. See also the blog.

10 May: Intro, test, Robopro,  Python, OpenCV, Blender3D, gear. Click the image to watch the video. See also the blog.
 
03 May: Intro, test, battery, Robopro, reconstruction, Python. Click the image to watch the video. See also the blog.

26 April: Intro, Blender, modelling, battery, reconstructiion, more. Click the image to watch the video. See also the blog.
 
19 April: Intro, reconstruction, Blender, modelling, Python. Click the image to watch the video. See also the blog.

12 April: Intro, OpenCV, HSV, colours, numbers, Blender3D, size. Click the image to watch the video. See also the blog.
 
5 April: Intro, OpenCV, RGB, HSV conversion, Blender, modelling. Click the image to watch the video. See also the blog.

29 March:  Intro, OpenCV, RGB, HSV, conversion, Blender3D, model. Click the image to watch the video. See also the blog.
 
15 March: Intro, oops, OpenCV, conversion, darktable, Blender. Click the image to watch the video. See also the blog.
 
8 March: OpenCV, HSV, BGR, conversion, oops, darktable, Blender. Click the image to watch the video. See also the blog.
 
1 March: OpenCV, HSV, darktable, Lab, Blender, modelling. Click the image to watch the video. See also the blog.
 
22 February: OpenCV, HSV, values, objects, darktable, modelling. Click the image to watch the video. See also the blog.
 
15 February: OpenCV, objects, distances, cycles, Blender, more. Click the image to watch the video. See also the blog.
 
1 February: OpenCV, HSV, objects, distance, modification, elevation. Click the image to watch the video. See also the blog.

25 January: OpenCV, HSV, objects, distance, Blender, modelling. Click the image to watch the video. See also the blog.

18 January: ROBOPro, OpenCV, HSV, value, colour, Blender, modelling. Click the image to watch the video. See also the blog.

11 January: OpenCV, HSV, value, blob, oops, Blender, modelling. Click the image to watch the video. See also the blog.

4 January 2019: Connection, OpenCV, blob, HSV, value, Blender, more. Click the image to watch the video. See also the blog.

28 December 2018: Connection, ROBOPro, OpenCV, blob, oops, Blender, more. Click the image to watch the video. See also the blog.

21 December: Connection, ROBOPro, OpenCV, pixels, blob, oops. Click the image to watch the video. See also the blog.

7 December: Connection, ROBOPro, OpenCV, HSV, object, filter, more. Click the image to watch the video. See also the blog.

30 November: OpenCV, HSV, objects, filter, ROBOPro, Blender3D. Click the image to watch the video. See also the blog.

23 November: OpenCV, HSV, values, ROBOPro, accu, Blender3D. Click the image to watch the video. See also the blog.

16 November: Python, ROBOPro, GUI, OpenCV, HSV, values, oops, Blender3D. Click the image to watch the video. See also the blog.

9 November: ROBOPro, accu, OpenCV, HSV, GUI, cycles, Blender3D. Click the image to watch the video. See also the blog.

2 November: Connection, GUI, Blender3D, ROBOPro, OpenCV, shade. Click the image to watch the video. See also the blog.

26 October: Boot, accu, date, ROBOPro, GUI, Blender3D, OpenCV. Click the image to watch the video. See also the blog.

14 September: Power, accu, date, ROBOPro, OpenCV, HSV, values, oops. Click the image to watch the video. See also the blog.

7 September: Power, date, ROBOPro, accu, OpenCV, distance, more. Click the image to watch the video. See also the blog.

24 August: Power, oops, ROBOPro, battery, speed, OpenCV, distance. Click the image to watch the video. See also the blog.

17 August: Power, connection, algorithm, ROBOPro, manual, counter, more. Click the image to watch the video. See also the blog.

10 August: Connection, algorithm, ROBOPro, counter, OpenCV, more. Click the image to watch the video. See also the blog.

3 August: Connection, power, cycles, HSV, data, oops, more. Click the image to watch the video. See also the blog.

27 July: Connection, cycles, HSV, algorithm, data, more. Click the image to watch the video. See also the blog.

20 July: Connection, TXTcam, cycles, HSV, data, more. Click the image to watch the video. See also the blog.

13 July: Scaffold, distance, analysis, HSV, data, more. Click the image to watch the video. See also the blog.

6 July: Scaffold, weight, distance, analysis, algorithm, more. Click the image to watch the video. See also the blog.

29 June: Power, display, scaffold, weight, analysis, algorithm. Click the image to watch the video. See also the blog.

22 June:
Counter, distance, analysis, weight, algorithm, OpenCV. Click the image to watch the video. See also the blog.

15 June: Counter, distance, rewire, analysis, algorithm, OpenCV. Click the image to watch the video. See also the blog.

1 June: Counter, distance, oops, analysis, algorithm, OpenCV. Click the image to watch the video. See also the blog.

25 May: Analysis, counter, distance, ftrobopy, wiring, OpenCV, more. Click the image to watch the video. See also the blog.

18 May: Counter, distance, analysis, algorithm, OpenCV, more. Click the image to watch the video. See also the blog.

11 May: Boot, counter, wiring, OpenCV, analysis, distance. Click the image to watch the video. See also the blog.

4 May: Boot, feet, gear,, ROBOPro, modification, OpenCV, more. Click the image to watch the video. See also the blog.

27 April: Boot, gears, ROBOPro, feet, reconstruction, OpenCV. Click the image to watch the video. See also the blog.

20 April: Connection, oops, Python, OpenCV, colour, HSV, more. Click the image to watch the video. See also the blog.

13 April: Python, camera, OpenCV, colourspaces, voltage. Click the image to watch the video. See also the blog.

6 April: Python, OpenCV, colour, ROBOPro, voltage, camera, more. Click the image to watch the video. See also the blog.

30 March: Battery, voltage, power, counter, ROBOPro, Python, more. Click the image to watch the video. See also the blog.

23 March: Battery, wiring, voltage, firmware, feet, OpenCV, more. Click the image to watch the video. See also the blog.

16 March: Battery, firmware, motors, counters, ROBOPro, more. Click the image to watch the video. See also the blog.

2 March: Motors, feet, sensors, ROBOPro, Python, distance, more. Click the image to watch the video. See also the blog.

23 February: Motors, feet, sensors, ROBOPro, power, objects, more. Click the image to watch the video. See also the blog.

16 February: Boot, network, feet, sensors, power, objects, more. Click the image to watch the video. See also the blog.

2 February: Sensors, ROBOPro, oscilloscope, Python, objects, speed. Click the image to watch the video. See also the blog.

26 January: Power, sensors, ROBOPro, oscilloscope, numbers, Python. Click the image to watch the video. See also the blog.

19 January: Floor, sensors, ROBOPro, oscilloscope, objects, Python. Click the image to watch the video, See also the blog.

12 January: Floor, sensors, ROBOPro, objects, Python, oscilloscope. Click the image to watch the video. See also the blog.

5 January 2018: Floor, Python, sensors, ROBOPro, authentication, camera. Click the image to watch the video. See also the blog.

29 December 2017: Python, sensors, ROBOPro, sound, objects, floor. Click the image to watch the video. See also the blog.

22 December: GUI, Python, sensors, ROBOPro, motors, sound, battery. Click the image to watch the video. See also the blog.

15 December: GUI, Python, sensors, OpenCV, image, ROBOPro, wiring. Click the image to watch the video. See also the blog.

8 December: Firmware, GUI, Python, sensors, ROBOPro, motors, camera. Click the image to watch the video. See also the blog.

1 December: Firmware, GUI, Python, sensors, motors, camera, image. Click the image to watch the video. See also the blog.

24 November: Firmware, camera, change, image, motors, errors, Python. Click the image to watch the video. See also the blog.

17 November: Firmware, camera, change, image, Python, OpenCV. Click the image to watch the video. See also the blog.

10 November: Firmware, walking, floor, image, Python, Android. Click the image to watch the video. See also the blog.

3 November: Reconstruction, gear, firmware, OpenCV, ftrobopytools. Click the image to watch the video. See also the blog.

27 October: Gear, frame, OpenCV, ftrobopytools, Python, TXTCamdroid. Click the image to watch the video. See also the blog.

20 October: Camera, Python, gears, image, scope, firmware, ssh. Click the image to watch the video. See also the blog.

13 October: Legs, direction, wifi, Python, oscilloscope, ROBOPro, gEDA. Click the image to watch the video. See also the blog.

6 October: Leg, firmware, Python, battery, gEDA, oscilloscope, sound. Click the image to watch the video. See also the blog.

29 September: Frame, gear, legs, firmware, Python, oscilloscope, oops. Click the image to watch the video. See also the blog.

22 September: Frame, gears, firmware, Python, oscilloscope, oops. Click the image to watch the video. See also the blog.

15 September: Wiring check, firmware, network, oscilloscope, oops. Click the image to watch the video. See also the blog.

8 September: More reconstruction, power, oscilloscope, timing, firmware. Click the image to watch the video. See also the blog.

1 September: Frame reconstruction, oscilloscope, timing, pwm, counter. Click the image to watch the video. See also the blog.

25 August: Frame, construction, gears, oscilloscope, timing, pwm. Click the image to watch the video. See also the blog.

18 August: Pwm, pulse, oscilloscope, power, oops, timing, wiring. Click the image to watch the video. See also the blog.

11 August: Gears, reconstruction, Android, pwm, oscilloscope, power. Click the image to watch the video. See also the blog.

4 August: Firmwares, upgrade, Android, Linux, gears, oscilloscope. Click the image to watch the video. See also the blog.

28 July: Feet, firmwares, Android, Linux, gears, legs, battery. Click the image to watch the video. See also the blog.

21 July: Firmwares, Android, Linux, sound, frame, gears, power. Click the image to watch the video. See also the blog.

14 July: Feet, test, ROBOPro, Android, sound, gears, power, oops. Click the image to watch the video.
See also the blog.

7 July: Linux, gear, feet, test, oops, ROBOPro, Android, motor. Click the image to watch the video. See also the blog.

30 June: Frame, reconstruction, gear, Android, Linux, test, oops. Click the image to watch the video. See also the blog.

23 June: Firmware, Android, gears, wiring, frame, reconstruction. Click the image to watch the video. See also the blog.

16 June: Feet, gear, wiring, lamp. Click the image to watch the video. See also the blog.

9 June: Improvement, legs, gears, wiring. Click the image to watch the video. See also the blog.

2 June: Reconstruction, legs, gears, ROBOPro, Android. Click the image to watch the video. See also the blog.

26 May: Improvement, legs, Android, Linux. Click the image to watch the video. See also the blog.

19 May: Frame reconstruction, Android, code. Click the image to watch the video. See also the blog.

12 May: Legs, gears, reconstruction, code, Android. Click the image to watch the video. See also the blog.

5 May: Legs, gears, reconstruction, code. Click the image to watch the video. See also the blog.

28 April: Legs, gears, frame, reconstruction. Click the image to watch the video. See also the blog.

21 April: Legs, gears, Android and more. Click the image to watch the video. See also the blog.

14 April: Python, sensor, Android, firmware, motor, oops. Click the image to watch the video. See also the blog.

7 April: ROBOPro, lamp, Python, print, firmware, Android. Click the image to watch the video. See also the blog.

31 March: Counters, input, sensor, lamp, Python. Click the image to watch the video. See also the blog.

24 March: Community firmware, counters, input, sensors. Click the image to watch the video. See also the blog.

17 March: Oops, firmware, counters, sensor, rewire and more. Click the image to watch the video. See also the blog.

10 March: Oopses, LED and Python. Click the image to watch the video. See also the blog.
 
3 March: Network, oops, firmware, Android, Python, counters & sensors. Click the image to watch the video. See also the blog.

24 February: Touchsensor, counters, Python. Click the image to watch the video. See also the blog.

17 February: Touchsensor, wiring, Python. Click the image to watch the video. See also the blog.

10 February 2017: ROBOPro, Python, counters & motors. Click the image to watch the video. See also the blog.

3 February 2017: Code, wires, motors. Click the image to watch the video. See also the blog.

27 January 2017: Gear improvement and more. Click the image to watch the video.

20 January: Gears, knots, teeth and .. ? Click the image to watch the video.

13 January: Frame reconstruction and gears. Click the image to watch the video.

6 January 2017: Date, gear, feet and reconstruction. Click the image to watch the video.

30 December 2016: Date, time, feet, gears and a reconstruction. Click the image to watch the video.

23 December 2016: Clamps and feet for the spoke legs, some stability and more. Click the image to watch the video.

16 December 2016: Robustness of the 6-spoke legs and gears. Click the image to watch the video.

9 December 2016: Front leg, an instability and a gear issue. Click the image to watch the video.

2 December 2016: Leg and code. Click the image to watch the video.

25 November 2016: Leg, gears, motors and reconstruction. Click the image to watch the video.

18 November 2016: Foot, leg, gears and code. Click the image to watch the video.

11 November 2016: Legs and gears. Click the image to watch the video.

4 November 2016: Legs, sound and code. Click the image to watch the video.

28 October 2016: Walking and speed. Click the image to see the video.
 
 21 October 2016: Sound and ssh. Click the image to see the video.

14 October 2016: Community kernel and sound. Click the image to see the video.

30 September 2016: WiFi and a foot. Click the image to see the video.

16 September 2016: Legs, sound and feet. Click the image to see the video.

9 September 2016: Feet and sound. Click the image to see the video.

2 September 2016: Legs and sound. Click the image to see the video.

26 August 2016: Feet, gears, sound and legs. Click the image to see the video.

19 August 2016: Walking, gears and sound. Click the image to see the video.

12 August 2016: Flexibility, gears and walking. Click the image to see the video.

5 August 2016: Flexibility, stability, gears and images. Click the image to see the video.

29 July 2016: Gears, distance and batterypack. Click the image to see the video.

22 July 2016: Distance, gears and flexibility. Click the image to see the video.

15 July 2016: Motor speed, leg vs. stability and connection. Click the image to see the video.

8 July 2016: New library, camera, images and motor. Click the image to see the video.

1 July 2016: Guides, gears and a camera. Click the image to see the video.

24 June 2016: Guides, gears and a camera. Click the image to see the video.

17 June 2016: Gears, guides and motor power. Click the image to see the video.

10 June 2016: Guides, motor power and stability. Click the image to see the video.

3 June 2016: Gears, stability and other issues. Click the image to see the video.

27 May 2016: How to solve gears friction? Click the image to see the video.

20 May 2016: Extending the gears. Click the image to see the video.

13 May 2016: Adding a 2nd "leg". Click the image to see the video.

6 May 2016: More gears and a "leg". Click the image to see the video.

29 April 2016: The Android tablet connected via ssh. Click the image to see the video. Also see this video.

29 April 2016: ... robot frame with fully wired motors. Click the image to see the video.

20 April 2016: ... with the TXT controller accessed by an Android tablet.

20 April 2016: Start of a new robot....