Attempts to write the last valid NMEA sentence character to the active file handler

Attempts to write the last valid NMEA sentence character to the active file handler

Setup GPS Object Status Flags, Internal Data Registers, etc local_offset (int): Timzone Difference to UTC location_fo

trigger_pin: Output pin to send pulses echo_pin: Readonly pin to measure the distance. The pin should be protected with 1k resistor

Setup GPS Object Status Flags, Internal Data Registers, etc local_offset (int): Timzone Difference to UTC location_fo

Root web page GET handler with basic authentication

Turns on the cursor, and makes it no blink (i.e. be solid).

Turns on the cursor, and makes it blink.

Interrupt Service Routine (ISR) for button press, placed in IRAM for low latency

Determine a cardinal or inter-cardinal direction based on current course. :return: string

Determine a cardinal or inter-cardinal direction based on current course. :return: string

Convert a character 0-9, a-f to a segment.

Convert a character 0-9, a-f to a segment.

Convert a string to LED segments. Convert an up to 4 character length string containing 0-9, a-z, space, dash, star and '.' to an arr

Convert a string to LED segments. Convert an up to 4 character length string containing 0-9, a-z, space, dash, star and '.' to an arr