Useful tips for everyday
Can IR sensor be used to measure distance? Infrared sensors work on the principle of reflected light waves. Infrared sensors are also used to measure…
How to get Arduino to work with nRF24L01? This does not always work the first time but it is essential that both instances of the…
What is privacy program? The main scope of a privacy program is the activities that enable managing the full lifecycle of personal information from collection…
What frequency is PWM? Frequency of a PWM output is = 1/Period. Resolution of a PWM output is the granularity with which the duty cycle…
How connect ESP8266 to Arduino Uno r3? About this project Connect the Arduino’s 3v3 (3.3V) output to ESP8266. Connect the RES or RESET pin, When…
Can extern be used in header file? The clean, reliable way to declare and define global variables is to use a header file to contain…
How do you control a motor with a relay? The Switch S1 and S2 control relay 1 and relay 2 respectively. In the circuit diagram…
What is Fpstr? FPSTR() allows you to define a global flash string and then use it in any function that takes __FlashStringHelper . F() allows…
How do I reset my Arduino Uno code? How to reset Arduino by programming? Connnect an Arduino digital pin to RESET pin. Config the digital…
How do you initialize a class inside a class? To instantiate an inner class, you must first instantiate the outer class. Then, create the inner…