Control relays using simple serial commands. Contribute to M0LTE/arduino-relay-control development by creating an account on GitHub.

Circuit that implements the function of a temperature sensor, with a thermistor (NTC). Specifically, we had to design the circuit to read the temperature from the sensor and display the temperature to ...

The microcontroller’s output pins are directly connected to ULN2803A pins as per the circuit diagram to control the appliances via relays. The ULN2803A relay driver isolates the low-voltage circuit ...

Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...

Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty one-channel SMS relay. The device is, in fact, an “isolated electric switch” that can be controlled through the messaging app on your ...

So, to address these problems we will make an inexpensive voice-controlled home automation system using easy to find components such as Arduino Nano, HC-05 Bluetooth module and relay driver board. The ...

D13 output can also be used to enable/disable a water pump/similar controller circuitry. ... Arduino Try Out. From the circuit diagram of the module, it is clear that, apart from the module only a few ...

Creating a Bluetooth-controlled device with an Arduino Uno and an HC-05 Bluetooth module enables control of lights or even relays to manage AC appliances wirelessly using an Android smartphone.