According to Pete #51 – Extreme Underclocking with the Arduino Pro Mini: A New video by SparkFun Electronics
According to Pete #51 – Extreme Underclocking with the Arduino Pro Mini
Welcome to the latest ATP! Today, we look at something of particularly questionable value, underclocking an ATmega328 to the point of just-what-are-you-trying-to-accomplish-here-anyway? What happens at extremely low clock frequencies? We pull off the resonator, splice in an external clock and watch the shenanigans!