Next steps shows how the master (Arduino) reads from the slave I2C device. Wire.requestFrom(address, 1) command expects to receive 1 byte of data from the TC74 sensor. Wire.available() waits for data ...

You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the. ... On the first line we set a variable ...

As you see in the below code, fprintf(x,0) is used for sending serial data from MATLAB to Arduino serial. In this part, we are sending ‘0’ to the Arduino serial and if you check the Arduino code, you ...

This RS-485 module can be easily interfaced with Arduino. Let’s use the hardware serial ports of Arduino 0 (RX) and 1(TX) (In UNO, NANO). Programming is also simple just use the Serial.print() to ...

Need to quickly toggle or read some logic signals without the hassle of writing a quick program? [Thor_x86], aka [Eric], built an Arduino sketch that does just that — and he threw in the abil… ...

Note how printf is powerfull, %02u means a unsigned integer with minimum lenght of 2, and leading by zeros. For ESP32, the core id in each debug is very good to optimizer multicore programming. Have ...