Arduino is a very popular open-source platform and Arduino UNO is one of the most loved microcontrollers ... a Wireless Bluetooth Controlled Robot Car Using Arduino. Detailed circuit diagrams and code ...

The circuit for tone generator is shown in below diagram. To filter out the noise from supply voltage capacitors are placed across terminals as shown in the diagram. The PWM of Arduino Uno can ...

The author’s prototype of window alarm annunciator based on Arduino is shown in Fig. 1. The circuit diagram ... Uno, ensure that elapsed Millis library function is available in Arduino IDE ...