Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

Avaota F2 is the first SBC based on an Allwinner V861 dual-core 64-bit RISC-V SoC with 128MB on-chip DDR3 memory, support for ...

Abstract: An optocoupler is a widely used electrical control switching device that falls under the direct-current (DC) on/off category from a functional perspective. The datasheet for optocouplers ...

High quality bug reports and feature requests are valuable contributions to the project. Before reporting an issue search existing pull requests and issues to see if it was already reported. If you ...

The VOx619A series phototransistor optocouplers from Vishay Intertechnology, Inc. combine a high and linear current transfer ratio over temperature with a low 0.5 mA forward current, supporting ...

/ examples - Example sketches for the library (.ino). Run these from the Arduino IDE. /src - Source files for the library (.cpp, .h). Please review the LICENSE.md file for license information. Please ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

What I made: I built "Core Posture," a bidirectional IoT system… ...