[John Boxall] shows how to add four buttons using one ADC pin. The concept is nothing new. The buttons make up an R2R resistive ladder. When one of them is pressed, it completes the circuit for ...

So, whether you’re just getting ready to build your system or looking to expand your existing equipment, we’ll explain some of the jargon and guide you toward selecting the best speaker wires ...

The on-chip oscillator or an external clock can be used as the ADC clock source. Data and control communication are handled over a 4MHz(2.4576MHz), SPI-compatible interface capable of operating with a ...