Developers, electronics engineers, makers and hobbyists looking for an affordable integrated circuit tester may be interested in this automated Arduino IC tester, created using an Arduino Mega ...

Components Required. Arduino Nano; 16×2 Character LCD; LM741 OPAMP IC; 2.2Ω, 5Watt Resistor; 7805 Positive Voltage Regulator IC; 12V Power Supply; ... Soldering Kit; Heat Sinks; Arduino Battery ...

In the next section, we will see the circuit diagram for the Arduino-based RFID Door Lock System. RFID Door Lock System using Arduino Circuit Diagram. The below RFID Door Lock System circuit diagram ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...