Useful tips for everyday
Why relay module is not working? The problem might be you bought an “Active low” relay module. What that means is that the “in” is…
How do you get epoch time in milliseconds? Convert from human-readable date to epoch long epoch = new java.text.SimpleDateFormat(“MM/dd/yyyy HH:mm:ss”).parse(“01/01/1970 01:00:00″).getTime() / 1000; Timestamp in…
How do I merge characters in Arduino? + Description. Combines, or concatenates two Strings into one new String. The second String is appended to the…
What program do I use for Arduino? The Arduino Uno is programmed using the Arduino Software (IDE), our Integrated Development Environment common to all our…
How to input a multiple digits number using the keypad? If the key is “#”, end the input ⇒ convert the input string to integer.…
How to connect ESP8266 to MQTT broker-IoT design pro? To setup, connection click on ‘connections’ and in next window enter your connection details from Cloud…
Which is the correct formula to update the weights in neural network? Backpropagation, short for “backward propagation of errors”, is a mechanism used to update…
What is the difference between fuzzy logic and probability theory? The probability theory is based on perception and has only two outcomes (true or false).…
What is 3D printed material called? Nylon (known as polyamide) is a synthetic thermoplastic linear polyamide and is the most common plastic material. It is…
What stepper motors are used in 3D printers? NEMA 17 stepper motors Most 3D printers utilize NEMA 17 stepper motors. What stepper drivers does Prusa…