In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

Here's the new description with all links and additional text removed: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 ...

This FAQ analyzes the open-drain physical layer and the nuances of register-level addressing to better understand I2C communication.

The new WiFiNINA_Generic v1.8.15-0+ fixes severe limitation to permit sending much larger data than total 4K. The new WiFiNINA_Generic v1.8.14-5+ fixes bug causing data lost when sending large files, ...

The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...

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 ...