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So far I have found the following HATs which use GPIO 23 which is not brought out on the PiSquare. You may want to mention them in the documentation.
Some are unsuitable for the PiSquare (e.g. audi…
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I am making a PNP CNC, and have the X & Y axis running on 24V from a GRBL shield, but the rotating vacuum nozzle stepper motor that I have requires just 3.3v and my Z axis requires 5V. How do I go abo…
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# USB-C PD Power Bank to Resmed AirMini or Airsense CPAP - A Blue Star
Is it cheaper to build your own solution to portable CPAP battery, or buy something off the shelf?
[https://blog.abluestar.com/…
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Having an intermittent WS2812 led/leds issue. I have built 4 of these pcb boards prior and no issues, recent board (1 month after the last working one) I am having the following problem.
The probl…
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@jonmagic is an english version of the robot hardware assembly anywhere? I took a quick look but didn't see it.
1. we should also make a parts list. if you share yours I'll probably order a bunch of…
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I occasionally got some request about providing some suggestion of using Blockly + Arduino on Education/STEM/Robots
Please share any related experience here.
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Hi,
i tried to flash a Atmega328pb. The MCU runs at 12MHz. I used the MiniCore opiboot Botloader at 56700 Baud. The upload to the MCU in the Arduino IDE with a FTDI USB-Serial-Converter works as expe…
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I'm using a Raspberry Pi 4 to control the PCA9685. I have generic MG996R-style servos connected (2 different brands). When I set the servo.angle = None, the servos just hold their current position w…
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Using CircuitPython to control stepper motors is currently pretty ugly. At the moment, I use PWMOut, precalculate the frequency steps needed to provide pseudo acceleration/deceleration, compute the ti…
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Mike,
First off, thank you for contributing and actively responding to this awesome project. I have a question about the servo config file and, my implementation of controlling the servos.
My st…