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 ...
Most people see that garden shed as little more than a place to store some gardening tools in, but if you’re like [Dr. Semiconductor], then what you see is a potential cleanroom for ...
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2025-07-03: v2.0.0 - read()and write() have been replaced by port_input(), port_output() and other pin operations, as jm_PCF8574 is not inherited from Printor Stream Arduino classes. Also, the I2C bus ...