Top new questions this week:
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I’m trying to get my Lilygo T5 4.7″ epaper to deep sleep for 12 hours. But I only seem to be able to get about half an hour (2100s) of deepsleep on it. If I set the timer for longer, it just …
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When my ESP8266 wakes itself from sleep (i.e. D0 sends wake signal), I want it to do something different to when I manually wake the device with the reset button. I have the RST and D0 pins connected, …
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I’m learning how to code a “BOE Shield bot” with a partner at my university (first year). To clarify for those that do not know: a BOE Shield bot is a small robot equipped with 2 servo …
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I am trying to receive commands on a third-party Arduino-Uno-compatible board from an Xbox 360 controller via an M5Stack USB module but I am not seeing the behavior I expect (see heading Expected …
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I’m working with WS2812B LED Strip (and Ring), Esp8266 Wemos D1 mini and FastLED library. I want to show leds with same solid color in every startup. There is a strange behavior that only the first 1 …
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Greatest hits from previous weeks:
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What is the difference between print( ) and println( )? I see none when I run a code.
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I need to plot serial data from Arduino. I require support for: Various data formats (e.g. signed, unsigned, 8 bits, 16 bits); Plots several data on the same axes; Exports / Imports file data. As …
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I’ve been looking for a while inside Arduino’s files to find the core library. However, I haven’t found them yet. Where on my hard drive can I obtain the core library files (.cpp and .h) necessary for …
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Asked this question on Electrical Engineering Stack Exchange and was directed here: Pretty self explanatory; how would I go about converting a float into a char*? I have code in which the float ‘…
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The standard is 9600 baud. That’s just the standard. Using a Arduino Uno SMD R2, what is the highest practical baud rate I can achieve? Bonus points for the audacious: How would you go about creating …
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C on embedded systems has traditionally use structs to hold structured data. Arduino brings C++ to the table, so we can use classes instead. Lets say we have two different data structures which …
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I currently have a .ino firmware file that I use in the Arduino IDE to program an ATmega328 micro-controller. I would like to get the file that the Arduino IDE uses to program the micro-controller. …
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