THRandell
THRandell
@thrandell
Brain Donor
Joined: 2021-06-08 10:20 am
Last seen: 2026-08-27 11:34 pm
Topics: 21 / Replies: 294
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RE: My first robot.

@lee-g Hi Lee, I was glad to see that you're taking a plunge into the robot swimming pool! There was a DigiKey Web Cast a few weeks ago with t...

1 week ago
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RE: Hello All

Hi @f2ksel I got started with IR sensors reading this Adafruit overview: Good Luck, Tom

1 week ago
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RE: Mechanical Bumpers for Robot base

Variation on a theme: I came up with a slightly different bumper design that doesn’t use a floating bumper. The front of the chassis acts like a ho...

1 week ago
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RE: visual object location

@inq I’m afraid I don’t remember what your stated goal was when you were evaluating the ToF sensor, but I’ve been very impressed by the STMicroelect...

1 month ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

The Physical Robot I decided not to try to re-create the Khepera robot that Floreano & Urzelai used. Instead I re-purposed a robot I used on an...

7 months ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

No thank you. Your re-writing my code using ChatGPT is not helpful. Please Stop! Instead why don’t you take one of your unfinished projects and u...

7 months ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

So this might be a deep dive but this forum is supposed to be about Neural Networks after all. I thought it might be useful to explain the code that ...

7 months ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

Genetic Evolution I had to dust off Goldberg’s book to get back on track. D. E. Goldberg. (1989). Genetic algorithms in search optimization and ...

7 months ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

Hi @oliver2003 I’m working out all the bits and pieces I’ll need to run this experiment on a Pico W. I’ll need an image sensor, 4 distance sensors,...

8 months ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

Sorry, I still don’t get it. Using your example: the array w= [1,2,3,4] is passed to the function. total = np.sum(w) = 10; 10 does not equal...

8 months ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

The Light-Switching Problem The experimenters gave the robot a sequential task to solve. Here is my paraphrase from the paper. A robot is position...

8 months ago
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RE: Evolution of Adaptive Synapses: Robots with Fast Adaptive Behavior in New Environments

I’m not sure. I think what they meant was that after adding the old synapse weight to the product of the learning rate and the hebb rule results, the...

8 months ago
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RE: More PlatformIO

@dronebot-workshop Did you see this news about Qualcomm rewriting the Arduino ToS? Yikes. Tom

9 months ago
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RE: Pico W - OTA firmware updates

I upgraded my Pico SDK to the latest release (2.2.0) thinking that I could: 1) prepare for my first steps with a Pico 2 2) make use of MQTT to pub...

11 months ago
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