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Majenko
Moderator
  • Member for 7 years, 9 months
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40 votes

Are global variables evil in Arduino?

40 votes
Accepted

Addressable RGB strip works fine individually but cannot set all LEDs to full white

29 votes
Accepted

deprecated conversion from string constant to 'char*'

27 votes

Why does Serial.print print only a value for 0-84 for a 100 integer array?

25 votes
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NodeMCU - Vin pin as 5V output?

25 votes

How many times can I upload a program or sketch to my Arduino Uno Clone Board?

24 votes

Using String instead of C string, yet another attempt to touch a loaded issue

20 votes

Why use an int variable for a pin when const int, enum or #define makes much more sense

20 votes
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Does an Arduino get worn out by too much command execution?

20 votes
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Difference between these two NodeMCU boards?

18 votes
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How to avoid that my arduino clicks eternally?

18 votes
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Why can't I define the constant A0 (some pin) to something?

17 votes
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Can the Arduino interface with USB devices without the USB host shield?

17 votes
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What to do with Arduino floating pins?

16 votes
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Can I force Arduino not to be powered by USB?

16 votes
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Burning Arduinos one after another

15 votes

Why connect a diode between the reset pin of Arduino and 555 timer?

15 votes
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Is it possible to print a custom object by passing it to Serial.print()?

14 votes
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Convert int to char[]

14 votes
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Why is Serial.Write that slower when writing x+1 characters than when it is writing x characters?

14 votes

What is the best technique to design a 20 push button circuit

14 votes
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Can you use Serial Port as a variable?

13 votes
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How to output a true analog voltage at output pin

13 votes
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ESP8266, Arduino IDE vs Lua?

13 votes
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Why is there a clock in my arduino?

13 votes
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ATMEGA328P-U vs ATMEGA328-PU

12 votes
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Arduino timers. How they work

12 votes
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int VS uint8_t VS uint16_t

12 votes
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WiFi Password Safety

12 votes
Accepted

The difference between "time_t" and "DateTime"

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