Adafruit DS3231 Precision RTC Breakout Compatible With_Raspberry Pi 3 So it's a fancy pants

So it's a fancy pants Wireless UART Adapter

+5 to +20 dBm adjustable power output (up to 100 mW)

This datasheet covers the DL series

vertical or any angle in between (180 rotation)

Analogue voltage output (Vcc/512 volts per inch)

Adafruit DS3231 Precision RTC Breakout Compatible With_Raspberry Pi 3 So it's a fancy pantsThe DS3231 Precision RTC Breakout delivers highly accurate timekeeping with built in temperature compensation and battery backupperfect for clocks, data logging, and projects that need reliable time even without power. The datasheet for the Adafruit DS3231 explains that this part is an "Extremely Accurate IC Integrated RTC TCXO Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a