Hydraulics: Testing, refill and a try for reconstruction on the pivot to hopefully get things work better. But does it? Click the image to watch the video.
Discovery: Focus on the driving again, I decide to disable the camera and see what happens. Click the image to watch the video.
RaspberryPi2 & C# - mono: Another attempt to get numbers (or a counter) into the window ends up in a new start. Click the image to watch the video.
24 December 2021 Blog 457
RaspberryPi3: Taking the RaspberryPi 3B standalone again, I wonder if I can get the Bluetooth to work. Click the image to watch the video.
RaspberryPi 1B+: After controlling the LEDs, the next attempt in trying to use C# to control a fischertechnik motor. Some wiring, solving a C# error and getting some kind of nice result Click the image to watch the video.
Arduino Mega2560: Wiring (i.e. connecting the boards), debugging Fortran, getting some better results and improving the Fritzing schema. Click the image to watch the video.
17 December 2021 Blog 456
ESP32: Solving the connectionproblem leads to rewiring and recoding. But in the end, facing yet another problem. Click the image to watch the video.
Mirft2: Check-up of the frame, testing walking with 2 velocities, OpenCV and speed-up. Click the image to watch the video.
Hand: Yaw check and hand pitch reconstruction, along with a roll motor oops. Click the image to watch the video.
10 December 2021 Blog 455
Hydraulics: Some reconstructions and a modification to hopefully get things work better. Click the image to watch the video.
Discovery: Focus on the driving again, and by thorough code analysis and data logging I find the cause and solution. Click the image to watch the video.
RaspberryPi2 & C# - mono: A new attempt to get numbers (or a counter) into the window. Click the image to watch the video.
3 December 2021 Blog 454
RaspberryPi 1B+: After controlling the LEDs, the next attempt in trying to use C# to control a fischertechnik motor. Some wiring, solving a C# error and getting some kind of nice result Click the image to watch the video.
Arduino Mega2560: More debugging Fortran to get rid of some reading error and fixing details. Ending with a riddle. Click the image to watch the video.
26 November 2021 Blog 453
ESP32: With last times' result, trying the fischertechnik motor and adjusting Fritzing. Click the image to watch the video.
Mirft2: Testing the walking again, finding some gear issues and making a modification. Click the image to watch the video.
Hand: Pneumatic engine reconstruction and fingers test using the ftdiagnose interface. Click the image to watch the video.
19 November 2021 Blog 452
Hydraulics: More testing reveals necessary modification & reconstruction as well as refill. Results get better but is it enough? Click the image to watch the video.
Discovery: Focus on the driving again, and by thorough code analysis and data logging I find the cause and solution. Click the image to watch the video.
RaspberryPi2 & C# - mono: An attempt to get an LDR working, but apart from input..I need a converter. Then back to the graphics: is it even possible what I want? Click the image to watch the video.
12 November 2021 Blog 451
RaspberryPi3 & PiXtend: For a final time, I take a look at the RaspberryPi3 as stand-alone board. What can I do with it? Click the image to watch the video.
RaspberryPi 1B+: After controlling the LEDs, the next attempt in trying to use C# to control a fischertechnik motor. Some wiring, solving a C# error and getting some kind of nice result Click the image to watch the video.
Arduino Mega2560: Debugging Fortran trying to get rid of some reading error. Ending with a surprise and a question. Click the image to watch the video.
5 November 2021 Blog 450
ESP32: The SG90 servomotor solution: a software setting. Click the image to watch the video.
Mirft2: Testing with power outage, using sensory data, OpenCV. Click the image to watch the video.
Hand: Yaw check and hand pitch reconstruction, along with a roll motor oops. Click the image to watch the video.
22 October 2021 Blog 449
Hydraulics: More testing reveals necessary modification & reconstruction as well as refill. Results get better but is it enough? Click the image to watch the video.
Discovery: Focus on the driving again, and by thorough code analysis and data logging I find the cause and solution. Click the image to watch the video.
RaspberryPi2 & C# - mono: Using C# (= mono) on this system, solving the GPIO issue and trying to get text in a file. Click the image to watch the video.
15 October 2021 Blog 448
RaspberryPi3 & PiXtend: After last time, I give the servomotor another try using Python and thanks to a power-outage find something odd again. Click the image to watch the video.
RaspberryPi 1B+: The next attempt in trying to use C# to control the GPIO. Other package via NuGet, some wiring, solving one error and getting another. Click the image to watch the video.
Arduino Mega2560: Debugging Fortran trying to get rid of some reading error. Ending with a surprise and a question. Click the image to watch the video.
8 October 2021 Blog 447
ESP32: Back to the SG90 servomotor. With some examples, Kolban's book on ESP32 and trying, I manage to get result. But there's still some oddity. Click the image to watch the video.
Mirft2: Testing with power outage, sensory data and OpenCV. Click the image to watch the video.
Hand: Diagnosis of the yaw detection and operation and analysis of the Python code. Click the image to watch the video.
1 October 2021 Blog 446
Hydraulics: After changing the setup of the manual part, it needs some more change. While this gives "some" nice result, another refill (or 2) are necessary. But will it all work out? Click the image to watch the video.
Discovery: Focus on the driving, it doesn't go the way that I hope (again). But why? Click the image to watch the video.
RaspberryPi2 & C# - mono: Using C# or mono on this system, trying to solve the GPIO issue and getting more text in the graphical Gtk# window. Click the image to watch the video.
24 September 2021 Blog 445
RaspberryPi3 & PiXtend:After last time, and with another response from PiXtend, I try the servomotor again using just Python and run into something odd. How can it be solved? Click the image to watch the video.
RaspberryPi 1B+: The next attempt in trying to use C# to control the GPIO. Other package via NuGet, some wiring, solving one error and getting another. Click the image to watch the video.
Arduino Mega2560: Using Fortran with introduction of the Geany editor. Some changes of the C code are necessary to make Fortran output look good. Click the image to watch the video.
17 September 2021 Blog 444
ESP32: After examining examples on the web, replacing a resistor and checking the wiring and algorithm, I get the DHT11 sensor to work in full. Click the image to watch the video.
Mirft2: Testing with batteries, weight and time. Adding to datalog: what's up? Click the image to watch the video.
Hand: Diagnosis of the yaw detection and operation and analysis of the Python code. Click the image to watch the video.
10 September 2021 Blog 443
Hydraulics: Time to change the whole setup, or the manual part anyway. This gives some food for thinking, but looks promising in the end. Click the image to watch the video.
Discovery: Focus on sounds & distances, but some things don't go the way that I expect (again). Click the image to watch the video.
RaspberryPi2 & C# - mono: Using C# or mono on this system going graphical with Gtk# and maybe solve the GPIO. Click the image to watch the video.
3 September 2021 Blog 442
RaspberryPi3 & PiXtend: With a response from PiXtend, I try the pwm again and find an issue using both Python and C. But can this be solved? Click the image to watch the video.
RaspberryPi 1B+: Another attempt in trying to use C# to control the GPIO. Step by step finding out what's up with NuGet and .Net. Click the image to watch the video.
Arduino Mega2560: Using Fortran with introduction of the Geany editor. Some changes of the C code are necessary to make Fortran output look good. Click the image to watch the video.
27 August 2021 Blog 441
ESP32: Introducing the DHT11 humidity and temperature sensor. Given the results of past used sensors, what will this one bring? Click the image to watch the video.
Discovery: Continuing with adding sound to sonar and finding 2 more issues: battery and datalog. Click the image to watch the video.
Hand: Continuing with yaw detection switch with additional check of the motor. Adding a second camera, checking the logfile. But does this show what's wrong? Click the image to watch the video.
20 August 2021 Blog 440
Hydraulics: I need to refill the manual part again. And decide to change the sensor-setup. After some testing, I decide to change the whole setup...next time. Click the image to watch the video.
Mirft2: A new analysis of a gear, frame and battery leads to a result and problem identification. Can it be solved? Click the image to watch the video.
RaspberryPi2 & C# - mono: Using C# or mono on this system going graphical with Gtk#. Click the image to watch the video.
13 August 2021 Blog 439
RaspberryPi3 & PiXtend: Continuing with pulsewidthmodulation, I find I have a networking issue. After solving it. I try to find out what's wrong with the pulsewidthmodulation, again. Click the image to watch the video.
RaspberryPi 1B+: After starting using C# to control the GPIO, I solve the .exe transfer issue but find a problem using the GPIO in NuGet and .Net. Click the image to watch the video.
Arduino Mega2560: Again my 3 Arduino's, back to data acquisition, the end of my use of the R language and introduction of Fortran (with some problems). Click the image to watch the video.
6 August 2021 Blog 438
ESP32: Focus again on the servomotor. More analysis, changing the algorithm for the motor and a test. Click the image to watch the video.
Mirft2: A necessary reconstruction for a gear and a relocation of a battery to restore balance. Of course another issue pops up. Click the image to watch the video.
Hand: Focus on yaw detection switch on the wrist. To get insight via the logfile, I need to adjust the algorithm. Click the image to watch the video.
30 July 2021 Blog 437
Hydraulics: After yet another reconstruction, it seem to go well. Until a foe breaks it. How to solve this (or can it be solved?). Click the image to watch the video.
Discovery: Starting with stacked battery packs, I find some problems. Focussing on sound with sonar and distance, I find the cause of the battery problem. In the end, something goes really wrong. But why? Click the image to watch the video.
RaspberryPi2 & C# - mono: First attempt to use C# or mono on this system. What is functional (and what isn't)? Click the image to watch the video.
23 July 2021 Blog 436
RaspberryPi3 & PiXtend: Continuing with pulsewidthmodulation, I change the algorithm to find out what's wrong. Click the image to watch the video.
RaspberryPi 1B+: New goal: after using Python and C, using C# to control the GPIO.
Arduino Mega2560: Again my 3 Arduino's, reintroducing fischertechnik: motors XS and mini. Click the image to watch the video.
16 July 2021 Blog 435
ESP32: Again, focus on the servomotor and fischertechnik motor: changing the algorithm. More analysis using the oscilloscope. Click the image to watch the video.
Mirft2: Another extensive walking test and checking images for solourseparation. Click the image to watch the video.
Hand: Focus is on the eye-in-hand camera and the wrist. Also: the yaw detection. What about the logfile? Click the image to watch the video.
9 July 2021 Blog 434
Hydraulics: Looking at the water in manually operated parts they again need to be refilled. Some testing reveals a robustness issue, which gets fixed but soon another issue is revealed. How to solve this?! Click the image to watch the video.
Discovery: Starting with a switch oops, the testing is sped up a bit by a copying action. However, some oddities occur leaving more questions than answers. But what's new? Click the image to watch the video.
RaspberryPi2 & fischertechnik camera: Checking the power routes on the breadboard for the LED, measuring and verifying. Then, another attempt to stream video from the RPi2. What's with the LDR? Click the image to watch the video.
2 July 2021 Blog 433
RaspberryPi3 & PiXtend: Continuing with pulsewidthmodulation, I try to find out what's wrong. Some findings and some recalling. Click the image to watch the video.
RaspberryPi 1B+: Part 3 of what is needed to create a robot with an RPi. Streaming video, but will it work? Click the image to watch the video.
Arduino Mega2560: Again my 3 Arduino's to try data-acquisition using Java via Processing, and trying to use R & RStudio for analysis. Improving code in Java & C makes it better but not there yet. Click the image to watch the video.
25 June 2021 Blog 432
ESP32: First: connectivity (spoiler: it's ok again)! Then why don't the servomotor and fischertechnik motor work anymore? (and a surprise..) More analysis using the oscilloscope, changing the algorithm for the motor and a test. Click the image to watch the video.
Mirft2: Another extensive walking test and checking images for solourseparation. Click the image to watch the video.
Hand: Focus is on the wrist: how can I improve its working? Does it influence the logfile? Click the image to watch the video.
18 June 2021 Blog 431
Hydraulics: The water in part of the manually operated part needs to be refilled, but will it work after that? Some testing reveals a robustness issue. How to solve this?! Click the image to watch the video.
Discovery: One of the introduced switches needs rewring. But the testing has some issues. Then a bit driving. Click the image to watch the video.
RaspberryPi2 & fischertechnik camera: Checking the power routes on the breadboard for the LED, measuring and verifying. Then, another attempt to stream video from the RPi2. What's with the LDR? Click the image to watch the video.
11 June 2021 Blog 430
RaspberryPi3 & PiXtend: Continuing with C, I go on with analog output and take analog input with it. Click the image to watch the video.
RaspberryPi 1B+: Part 2 of what is needed to create a robot with an RPi? A powerbank, but will mine work? Click the image to watch the video.
Arduino Mega2560: Again my 3 Arduino's to try data-acquisition using Java via Processing, and trying to use R & RStudio for analysis. Some problems in C keeping me back, though. Click the image to watch the video.
4 June 2021 Blog 429
ESP32: Again: why don't the servomotor and fischertechnik motor work anymore? Another analysis using the oscilloscope, changing the C algorithm and wiring check. With an epilogue. Click the image to watch the video.
Mirft2: The walking is tested again extensively while making images. Click the image to watch the video.
Hand: Focus is on the wrist: how can I improve its working? Does it influence the logfile? Click the image to watch the video.
28 May 2021 Blog 428
Hydraulics: The water in part of the manually operated part needs to be refilled, but will it work after that? Some testing reveals a robustness issue. How to solve this?! Click the image to watch the video.
Discovery: Changing battery wiring again to introduce switches, and checking voltages. Then a bit driving. Click the image to watch the video.
RaspberryPi2 & fischertechnik camera: Adding power, rewiring photoresistor & ADC and trying VLC for camera. Click the image to watch the video.
21 May 2021 Blog 427
RaspberryPi3 & PiXtend: Continuing with C, I go on with analog output and take analog input with it. Click the image to watch the video.
RaspberryPi 1B+: What is needed to create a robot with an RPi? Wireless with bluetooth is an option, but wil that work? Click the image to watch the video.
Arduino Mega2560: Again my 3 Arduino's (so also MegaADK & Uno), 1 computer, 1 camera & 1 power-source for all. Performing data-acquisition in Java via Processing, and trying to use R & RStudio for analysis. Click the image to watch the video.
14 May 2021 Blog 426
ESP32: Again: why don't the servomotor and fischertechnik motor work anymore? Another analysis using the oscilloscope, changing the C algorithm and wiring check. With an epilogue. Click the image to watch the video.
Mirft2: Starting with a battery rewiring check, the walking is tested extensively while making images. Some oopses come along (what's new?) Click the image to watch the video.
Hand: Focus is on the wrist: how can I improve its working? Does it influence the logfile? Click the image to watch the video.
7 May 2021 Blog 425
Hydraulics: The water in the manually operated part needs to be refilled again, but will it work after that? Some testing reveals another issue. Testing the automated part reveals an issue a well. How to solve these issues?! Click the image to watch the video.
Discovery: Changed battery wiring to enable replacement, followed by code change and a surprise result. Then getting some images & comparison value. Finally, data-logfile comfirming some weirdness. Click the image to watch the video.
RaspberryPi2 & fischertechnik camera: Camera via VNC, photoresistor for aquisition of data via Python. And trying guvcview vs VLC. Click the image to watch the video.
30 April 2021 Blog 424
RaspberryPi3 & PiXtend: Continuing with C, I go on with analog output and take analog input with it. Click the image to watch the video.
RaspberryPi 1B+: Given the influence of the delay using Python during the control the fischertechnik LED ? Click the image to watch the video.
Arduino Mega2560: Using 3 different Arduino's, 1 computer, 1 camera & 1 power-source. Correcting data-acquisition in Java via Processing, then using RStudio, GNU Octave and SciLab for comparison. Click the image to watch the video.
23 April 2021 Blog 423
ESP32: Back to the servomotor and fischertechnik motor: why don't they work anymore? Analysis using the oscilloscope, C algorithm and wiring check. Click the image to watch the video.
Mirft2: Starting with a stabilizing action, then testing a solution for a power issue, testing walking while making images and a reconstruction. Click the image to watch the video.
Hand: Focus is again on the contents of the logfile and the analysis of the algorithm of hand-wrist sensors. New insights on the info leads to another action..next time. Click the image to watch the video.
16 April 2021 Blog 422
Hydraulics: The water in the manually operated part needs to be refilled again, but will it work after that? Some testing reveals another issue. Testing the automated part reveals an issue a well. How to solve these issues?! Click the image to watch the video.
Discovery: Intro of changed setup, followed by code review. Then driving to get histogram & comparison value. Also: data-logfile and code change. .Click the image to watch the video.
RaspberryPi2 & fischertechnik camera: Camera via VNC, intro photoresistor for aquisition of data using Python via ssh. Click the image to watch the video.
9 April 2021 Blog 421
RaspberryPi3 & PiXtend: Continuing with the combination of C, controlling electronics and measuring signals & voltages. Click the image to watch the video.
RaspberryPi1B+: Trying to improve the connection between terminal block and bandcable. Then, what's the influence of the delay when I control the fischertechnik LED using Python? Click the image to watch the video.
Arduino Mega2560: Using 3 different Arduino's, 1 computer and 1 cameras, I want to reduce the number of power-sources. Then, how do I do data-acquisition from this Arduino Mega2560? Processing may be the solution. Click the image to watch the video.
2 April 2021 Blog 420
ESP32: Trying to get the buzzer back to work, which requires measuring and analysis. Ending with a solution. Click the image to watch the video.
Mirft2: Power issues, Python & colourseparation, walking!!! Click the image to watch the video.
Hand: Focus is on the contents of the logfile and the timing of the hand-wrist sensors. New info has to be added for clarity. Click the image to watch the video.
26 March 2021 Blog 419
Hydraulics: The pivot-wheel needs to be replaced, but by what? And how? A reconstruction that ends in another one. But does it work? Click the image to watch the video.
Discovery: Analysis using histogram & comparison value. Also, recap of data-logfile and code.Click the image to watch the video.
RaspberryPi2 & fischertechnik camera: Camera via VNC, intro phototransistor & LED for aquisition of data using Python via ssh, intro processing using R via ssh. Click the image to watch the video.
19 March 2021 Blog 418
RaspberryPi3 & PiXtend: Continuing with the combination of C and controlling electronics. Click the image to watch the video.
RaspberryPi1B+: Making a comparison between the raspicam and a fischertechnik camera using streaming video. Ending with an oops. Click the image to watch the video.
Arduino Mega2560: Using 3 different Arduino's, 3 computers and 3 cameras, last time's problem still needs a fix. Measurements and changing some wiring finally leads to a solution. Click the image to watch the video.
12 March 2021 Blog 417
ESP32: Continued relocation of parts to the new breadboard, observation, schematics and testing. Click the image to watch the video.
Mirft2: Testing gears using Python & RoboPro, what's the difference? Implementing histogram and a power oops, but why?! Click the image to watch the video.
Hand: Focus is on the contents of the logfile and the timing of the hand-wrist sensors. New info has to be added for clarity. Click the image to watch the video.
5 March 2021 Blog 416
Hydraulics: Checking the water and air relation. Then, after a test, a reconstruction for robustness on a piston is needed again and adding a sensor and motor. Click the image to watch the video.
Discovery: Try to find out how to use colours to find your way using histogram and what a comparison value means. Click the image to watch the video. Full version of this video is patron-only.
RaspberryPi2 & fischertechnik camera: Camera via VNC, intro phototransistor & LED for aquisition of data using Python via ssh, intro processing using R via ssh. Click the image to watch the video. Details of wiring & code are in a patron-only video.
26 February 2021 Blog 415
RaspberryPi3 & PiXtend: Focus is again on the digital input and output. Finding that I actually miss something in my C code and finding the solution. Then finding the way how to engage the digital output. Click the image to watch the video. Details are in a patron-only video.
RaspberryPi1B+: Making a comparison between the raspicam and a fischertechnik camera using streaming video. Ending with an oops. Click the image to watch the video.
BeagleBoard & fischertechnik camera: Focus is on the switch from Ubuntu Linux to Fedora Linux. Does it work out ok or does it need some work? Click the image to watch the video.
19 February 2021Blog 414
ESP32: Relocation of parts to another breadboard, some observation and testing. Click the image to watch the video.
Mirft2: Using a (hopefully) frictive underground, let it walk. Then: histogram.Click the image to watch the video.
Hand: Focus is on the combination of the newly added logfile and the timing of the hand-wrist sensors. But something doesn't quite work out yet, somehow. Click the image to watch the video.
12 February 2021 Blog 413
Hydraulics: Checking the piston responses of the automated part, some water is needed. Then, after a test, a reconstruction for robustness on a piston is needed as well as getting rid of some more air. Click the image to watch the video.
Discovery: Using OpenCV, grab images and try to find out how to use colours to find your way. Click the image to watch the video.
RaspberryPi2 & fischertechnik camera: Focus start with an attempt getting the VNC connection right. Then, a reinstall of software and trying with my iPad. What works? Click the image to watch the video.
5 February 2021 Blog 412
RaspberryPi3 & PiXtend: Focus is again on the digital input and output. Finding that I actually miss something in my C code and finding the solution. Then finding the way how to engage the digital output. Click the image to watch the video.
Mirft2: Checking the colour-separation. Then, after the wiring fix, can it actually walk? Click the image to watch the video.
BeagleBoard & fischertechnik camera: Focus is on the switch from Ubuntu Linux to Fedora Linux. Does it work out ok or does it need some work? Click the image to watch the video.
29 January 2021 Blog 411
ESP32: Next attempt on the WiFi: with the power from the adapter, trying to get the UART working using C. Could that work out? Click the image to watch the video.
Discovery: During floor tests, I compare OpenCV values and take pictures/grab images. Click the image to watch the video.
Hand: Focus is again on the timing of the hand-wrist sensors. First, I make a comparison of the hand. Then I decide to add a logfile, but will it help? Click the image to watch the video.
22 January 2021 Blog 410
Hydraulics: After last time, a reconstruction for stability on a piston is needed as well as getting of some air.. After that, testing using Python as well. Click the image to watch the video.
Mirft2: Another attempt using the Community firmware: what's the reason the code doesn't work? This leads to regained insights and some changes to the Python code are necessary. Click the image to watch the video.
RaspberryPi2 & camera: Focus is on getting the VNC connection right to see a fischertechnik camera using guvcview on RaspberryPiOS. Again with a few oopses and intro iPad. Click the image to watch the video.
15 January 2021 Blog 409
RaspberryPi3 & PiXtend: Focus is again on the digital input and output. Finding that I actually miss something in my C code and finding the solution. Then finding the way how to engage the digital output. Click the image to watch the video.
Discovery: Continuing floor tests, I find issues with the login to the controller and find a solution. Then I try to ride/drive and take pictures/grab images. Click the image to watch the video.
BeagleBoard & fischertechnik camera: Focus is on the switch from Ubuntu Linux to Fedora Linux. Does it work out ok or does it need some work? Click the image to watch the video.
8 January 2021 Blog 408
ESP32: Next attempt on the WiFi: get the power from the adapter. After that, how to get the software going? Click the image to watch the video.
Arduino Mega2560: Using 3 different Arduino's, 3 computers and 3 cameras, last time's problem still needs a fix. Measurements and changing some wiring finally leads to a solution. Click the image to watch the video.
Hand: Focus is on the hand-wrist sensors. What can I do to the pitch? It works but changes direction too quickly. Code change? After that: overall testing. Click the image to watch the video.
