The serial-monitor tool is a command line program that interacts via stdio. It accepts commands as plain ASCII strings terminated with LF \n and sends response as JSON. Install a recent go environment ...

Velxio is an open-source, self-hosted simulator for Arduino, ESP32, and Raspberry Pi boards that works directly in your web browser. You can drag-and-drop boards, connect components and modules, write ...

Many retro PCs were used with serial port mouse and don't have any PS/2 ports. Unfortunately most of the serial mice are broken or expensive today. Furthermore they were mechanical devices with a ...

FlashESP is a web-based tool allowing the development of Arduino sketches and firmware flashing for ESP32 and ESP8266 hardware platforms. I initially thought it was similar to ESP Web Tools for ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi with an ESP8266 ESP-01 module. With ...

The Arduino-controlled Drawing Robot is a low-cost pen plotter that can be used to make small drawings on a piece of paper. It is based on an Arduino Nano board with a Bluetooth extension module, ...

Make sure your Arduino board USB cable isn’t in any way loose. If the cable is a little loose at the ports, you might need to press it in more. USB cables that don’t allow serial communications will ...

The radio frequency identification (RFID) system used for the identification and tracking of objects makes use of an RFID reader and a tag. The main parts of the authentication system include the ...

In a previous article, we looked at connecting various kinds of Arduino hardware to your Mac. Here's how to get started programming on them to create your own projects. In order to program your ...