The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

[John Fin] put a lot of work into his Ghostbuster’s proton pack prop with full-featured user control and effects. What appealed to us well beyond the exquisite build is the extra effort taken to write ...

Ever wondered if a small, low-cost board like the ESP32-CAM can actually recognise objects or even identify Indian currency notes? In this project, the answer is a clear yes. We combine the ESP32-CAM ...

Abstract: We connected $\mathbf{p H}$ sensor and solar cell into Arduino Board to control data transmission via red laser communication or popular known as visible light communication (VLC). The ...

Amazon Web Services (AWS) customers can now access Arduino Cloud directly through the AWS Marketplace, streamlining IoT project development. Designed to simplify the management of IoT initiatives for ...

Hi, I've been testing arduino communication with serial. It is very simple code, basically the arduino will send a value 0x01 when button is press and 0x00 when not every .5 second When starting the ...

Abstract: This paper explains how to set up the communication between PLC and Arduino based on Modbus Protocol. PLC is a master and Arduino is a slave. A Fx2N-48MR, a Fx2N-485BD, an Arduino main board ...

[Will Finucane] of Revolt Labs/Mad Science Blog was looking for a way to keep his cats happily fed while away on a short vacation, so he put together a cheap and easy automatic feeder to ensure that ...