New answers tagged arduino-nano
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problem with scripts in Arduino Lab for MicroPython
It turns out that there was an incompatibility between MacOS and version 1.26.0 of the Arduino Nano ESP32 firmware. I reverted to v1.25.0, and now everything works.
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Can I use regular pins (Example: D2, A3, etc...) as serial (RX, TX)?
Yes, it is possible. You need to use the SoftwareSerial.h library, which comes with the AVR libraries package preinstalled in Arduino IDE. You just need to find some library which supports declaring ...
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Connecting the device to Arduino via the UART protocol
What is my mistake?
Most probably you switch off the driver too early.
Serial transmission takes some time, in your case approximately 1 ms (8 bytes at 115200 baud). Since the write() method buffers ...
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problem with scripts in Arduino Lab for MicroPython
Upload the file manually with mpremote or ampy
Install mpremote:
pip install mpremote
Upload your script:
mpremote connect /dev/ttyUSB0 fs put yourscript.py
mpremote connect /dev/ttyUSB0 run ...
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Watchdog on Arduino Nano does not recover
Perhaps a little late, but it seems that this issue still plagues us.
One of my devices simply has a big external SPST toggle switch. It's connected to a GPIO pin and polled in loop(). The watchdog ...
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I need more free memory on my Arduino. What can I do if I don't want to use float?
As suggested by @halfbit, you can get rid of floating point by choosing
units that let you conveniently work with integers, like millivolts
instead of volts. I would go a bit further and suggest you ...
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I need more free memory on my Arduino. What can I do if I don't want to use float?
There are many tricks to get around the floating library (not to use float):
The simplest is: don't use volts as the unit, but millivolts.
But wait, before I explain how to do that, I want to explain ...
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