After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

We love Arduino here at Hackaday; they’ve probably done more to make embedded programming accessible to more people than anything else in the history of the field. One thing the Arduino ...

For more advanced security applications, you might also want to explore our RFID door lock system using Arduino, which shares similar hardware components. At its core, the system offers automatic ...

Packages with 3D models: headers only, soldered and Arduino with headers. Arduino Nano v3: Simple simulation component (simulates only the microcontroller) Complete simulation component (include all ...

This is an Arduino library for SDI-12 communication with a wide variety of environmental sensors. It provides a general software solution, without requiring any additional hardware, to implement the ...

Product Name: Homemade temperature sensor online How To make Low Cost Temperature Sensor Circuit Homemade online, How To Make A High Precision Temperature Sensor LM358 0.1 C Sensitivity online ...

The system uses two sensors, an inductive proximity sensor (KD18-3008PA) for spindle speed monitoring and an infrared thermal sensor (MLX90614-DCC) for monitoring the tool bit temperature. Data from ...