Traditional medical tests often require clinical samples to be sent off-site for analysis in a time-intensive and expensive ...

This affordable little device does double duty by controlling your smart lights hands-free and offering peace of mind while ...

I set up some other devices too to get comfortable with YAML and ESP32 deployment, and I loved the capabilities it had unlocked for my smart home. In my research, I came across the ESP32 "Cheap Yellow ...

In this review of the Maker Uno RP2040 board with the Arduino IDE we could blink LEDs, control RGB LED lights, press the user button to turn on one LED or make the buzzer output some melody, control a ...

With each contact you make, the red LED lights up, the buzzer beeps and the seven-segment LED display counts up. After making contact ten times, the buzzer blares out an annoying sound — game over.

Blinking LED: The classic "Hello, World!" of Arduino is the blinking LED project. It introduces you to the fundamental principles of writing code, uploading it to your Arduino board, and seeing ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

SEN-11574 is a plug and play pulse rate sensor that is integrated with Arduino. It has two sides. On one side, a led is placed which emits light. This led should be placed directly on the top of a ...

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In this research project, LED is used instead of laser, as there is a tendency for the camera to be damaged when exposed to high-power coherent light. Acknowledgements I would like to acknowledge the ...

1x solar powered LED lights 1x passive infrared (PIR) sensor 1x photoresistor 1x Arduino nano 4x 2N2222 NPN transistors 4x 220 ohm resistors 1x 1 kOhm resistor 1x project box Also needed is a playset ...