Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

When you Press the RESET Button on the Arduino board, the timer will countdown from 60 seconds, as programmed. Once the timer countdown reaches 0 seconds, the PIEZO-BUZZER (BZ1) will bang on and the ...

LCD displays consists primarily of two sheets of ... the backlight and contrast level in a 16×2 LCD via software with an Arduino, controlling the backlight turned on for certain time (which saves ...

To communicate with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino ... entire clock could be scaled up to a total of 64 LCDs — so how about a 16×4 display made ...

He is familiar with a signal visualization tool called a waterfall which plots signal strength and frequency over time ... Arduino’s country of origin The display he chose is a Nokia LCD ...