Time Providers - Arduino IN-14 Nixie Operating Instructions Manual

General
The clock has different modes of operation, which you select using the pushbutton. When you start the
clock up th very first time, it will start in "Time Display Mode". We set it up to be the right time for where
the clock is being shipped to, so in the best case you will not even need to set the clock the first time!
The other modes of operation are described in the following sections.
Safety
The voltages produced in the High Voltage circuit can reach peaks of 400V! Take precautions not to
electrocute yourself! If you are not sure what this means, please do not use this clock and return it for a
full refund.
A shock from the clock high voltage circuit is at least a nasty bite. At worst it can kill you.
We decline any responsibility in the case of injury or death.
REPEAT: If you are not sure, please do not use the clock.
Powering Up
When you power the unit up, it will display "88:88:88" for several seconds. This is for the calibration of the
High Voltage Generator to match the power adapter you have attached. During this time you might hear
some faint crackling noises from the generator. This is normal.
After finishing the calibration, the version number ("00:42:07") will be displayed for about a second. The
clock will then go into normal operating mode.

Time Providers

Real Time Clock (standard)
By default, the clock comes with a Real Time Clock (RTC) module which provides a battery backed time
source that remembers the time even when the clock is not powered up.
WiFi Time Providers (optional)
More up to date is a WiFi real time provider, which logs into your home WiFi network and periodically
retrieves the time from Internet time sources. These are accurate to 1 second, and auto adjust for Daylight
Savings Time. You configure once, and then the module remembers the configuration forever.
Additionally, the WiFi time module gives you a easy to configure interface, which you can use to set up the
clock using a tablet, phone or computer.