🚀 Arduino Explorer: 30 Days, 30 Sensors – A daily hands-on journey exploring 30 different sensors with Arduino Nano. Each day includes code, wiring, diagrams & full explanations. Learn by doing & ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

An Arduino Nano is in charge of reading the sensors. When it appears the car is approaching a wall or similar obstacle, it fires off a PWM signal to the car’s motor controller commanding it to ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor ...

Pyroelectric infrared sensors (PIR) are excellent devices to detect human/animal presence with a small form factor and rugged design, for cost-effective surveillance. They are widely used to trigger ...

Diabetes is a metabolic disorder that inhibits the body’s capacity to produce an adequate amount of blood glucose. Indications of diabetes include heightened appetite, frequent urination, and ...

Noninvasive odor sensing is important in environmental monitoring and medical diagnosis. The two-dimensional material MXene is widely used due to its unique sensing properties but has limitations in ...

Contribute to TheArduinoCodex-ESP32-ARDUINO/PIR-sensor-with-ESP32- development by creating an account on GitHub.