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 hours turnaround time) up to $20 shipping discount on first order (PCB ...
Abstract: Teaching programming is a topic that has generated a high level of interest among researchers in recent decades. In particular, multiple approaches to teaching visual programming have been ...