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Top Questions
62 votes

Is using malloc() and free() a really bad idea on Arduino?

programming sram eeprom asked Mar 9, 2014 at 9:00
arduino.stackexchange.com

52 votes

Bypassing copy protection in microcontrollers using glitching

hardware copy-protection asked Apr 10, 2013 at 10:04
reverseengineering.stackexchange.com

45 votes

Why are relays so frequently driven by optocouplers?

microcontroller relay opto-isolator asked Feb 27, 2013 at 9:35
electronics.stackexchange.com

44 votes

Why does starting the serial monitor restart the sketch?

serial arduino-ide asked Feb 25, 2014 at 22:51
arduino.stackexchange.com

30 votes

Is it better to use #define or const int for constants?

programming c++ constants coding-standards asked Feb 28, 2014 at 9:46
arduino.stackexchange.com

22 votes

What overheads and other considerations are there when using a struct vs a class?

programming c++ struct class asked Mar 7, 2014 at 12:29
arduino.stackexchange.com

16 votes

What are the use cases for anonymous SSL cipher suites?

tls cipher-selection asked Feb 13, 2016 at 8:25
security.stackexchange.com

15 votes

Where can I learn more about black-box fuzzing of small embedded systems?

hardware fuzzing asked Apr 5, 2013 at 8:55
reverseengineering.stackexchange.com

13 votes

What alternatives are there to the Optiboot bootloader?

bootloader asked Mar 16, 2014 at 11:31
arduino.stackexchange.com

12 votes

Why can I not use pointers instead of array with PROGMEM?

progmem pointer asked Mar 5, 2014 at 11:52
arduino.stackexchange.com

1 2 3 4

Top Answers
26
Is there any way to download a sketch from an Arduino?
arduino.stackexchange.com

23
What is the real lifetime of EEPROM?
arduino.stackexchange.com

19
What happens to the Arduino if you don't use a resistor with an LED?
arduino.stackexchange.com

19
Arduino Pro Mini (3.3V version) input voltage range / tolerance
arduino.stackexchange.com

18
Would an infinite loop inside loop() perform faster?
arduino.stackexchange.com

17
How can I get a unique ID for all my Arduino boards?
arduino.stackexchange.com

15
Is "mini-httpd" a secure web server?
security.stackexchange.com

13
Recommend OpenSource or Freeware tool to inspect network traffic between two servers
stackoverflow.com

13
How can I get the source files for Arduino libraries?
arduino.stackexchange.com

12
Sensor for underground water tank level
arduino.stackexchange.com

12
My DS18B20 is reading high. How can I get it to return the correct temperature?
arduino.stackexchange.com

10
Why so many pins for the MOSFET's drain?
electronics.stackexchange.com

10
Why is int only 2 bytes?
arduino.stackexchange.com

10
Arduino time keeping using millis() is not accurate or correct?
arduino.stackexchange.com

9
Interview qns...Do the below without any conditional or comparison operator
stackoverflow.com

9
Simple and safe solution to control a power plug with Arduino or PC
electronics.stackexchange.com

9
Specification of the Megamos crypto algorithm
crypto.stackexchange.com

8
Best package for heat sinking?
electronics.stackexchange.com

8
How can I transmit data to/from arduino from up to ~750 ft away?
arduino.stackexchange.com

8
attiny85 and arduino - analogRead + pwmOut
arduino.stackexchange.com

7
Why do switches and relays have lower current ratings at higher voltages?
electronics.stackexchange.com

7
Can you clarify what an 1NO1NC switch is?
electronics.stackexchange.com

7
How much can an Uno be overclocked?
arduino.stackexchange.com

6
Reducing the sensitivity of a PIR sensor?
electronics.stackexchange.com

6
Are there any free disassemblers for the NEC 78K0R family of processors?
reverseengineering.stackexchange.com

6
Why would copying a micro SD card using dd fail to produce a bootable card?
reverseengineering.stackexchange.com

5
Preventing Interference when using RF transmitters and receivers
electronics.stackexchange.com

5
Connecting breakout board to Arduino with UART
arduino.stackexchange.com

5
What are the FLASH_ARRAY/FLASH_TABLE macros in this code?
arduino.stackexchange.com

5
Is it possible to build a 1080p OSD webcam shield?
arduino.stackexchange.com