Deprecated function: abs(): Passing null to parameter #1 ($num) of type int|float is deprecated in format_size() (line 137 of core/includes/common.inc).
Deprecated function: abs(): Passing null to parameter #1 ($num) of type int|float is deprecated in format_size() (line 137 of core/includes/common.inc).
Deprecated function: abs(): Passing null to parameter #1 ($num) of type int|float is deprecated in format_size() (line 137 of core/includes/common.inc).
Deprecated function: abs(): Passing null to parameter #1 ($num) of type int|float is deprecated in format_size() (line 137 of core/includes/common.inc).
Arduino code - 1) Counting Timer1 pulses with LED counter, 2) Using Timer1 to count clock cycles between PPS pulses, 3) Using Timer1 to count clock cycles & period between SigGen pulses, 4) Using the pressure and temperature sensor