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 ...

Increasing renewable penetration and deployment of microgrids have the potential to completely change the way the power systems are being operated today. In order to address these emerging challenges, ...

TSA is warning all passengers about using USB chargers when traveling. Here's why they say it's risky and what to do if you get hacked.

This paper aims to address the difficulties faced by novice programmers in grasping code structure and execution flow, improving programming thinking, and pinpointing code errors with accuracy. It ...

Learn how to program the ESP32-CAM development board using USB to Serial converters. This guide covers pinouts, boot modes, hardware connections, and troubleshooting methods.

写在前面： 因为很多项目因成本或者体积考虑，不适合加入下载 电路，然而TB上的下载器接线又麻烦，功能又少、体积又大，因此自己做了一款适用于 ESP 的下载器，并且引出了两对 串口 转TTL的引脚，解决了下载麻烦的问题。 功能特点： 1、体积小巧，板长4.4cm，板宽1.4cm 2、带适用于ESP的自动下载 ...

C4 and C5 are used as decoupling capacitors. The “Serial” is a 3-Pin 2.5mm XH connector to connect a TTL USB-to-Serial converter to the board. It is used the program the module and read the serial ...

Even for those of us who are fans of retrocomputing, it’s fair to say that not everyone plays their old-school games on real old-school hardware. The originals are now fragile and expensive, … ...

I have a USB to TTL Serial Adapter with FTDI FT232RL chip that I use to program devices such as the Sonoff outlets. By looking at the schematics it seems like I should be able to program the T-Relay ...