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Using the LMC555 CMOS analog timer to set a frequency from < 10Hz to > 100kHz, giving this design a strong dynamic range but ...
For certain high-security devices, such as card readers, ATMs, and hardware security modules, normal physical security isn’t ...
The CountDown library is a clock that counts down from a given time to zero, like an hour glass. It does not call any function or so when reaching zero as the user is responsible to check the time ...
Simple non-blocking timer library for calling functions in / at / every specified units of time. Supports millis, micros, time rollover, and compile time configurable number of tasks.