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 ...

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

Jakub] is a musician, and found himself in need of a simple way to trigger samples via MIDI when on stage. So many commercial solutions exist, but most were overkill for the job or too messy and ...

Although it dates back to the early days of the Marconi Company in the 1920s, the Franklin oscillator has remained a ...

return ""; // if not handeled above then let the HTTP server send the reply itself (server files stored in /var/www/html directory or send 404 reply) ...