Arduino Shield IN-18 Nixie Tubes Clock in a big Wooden Case FAST Shipping 3-5 business days via UPS. IN-18 is hugest mass-produced digital Nixie Tubes.Project «Divergence Meter». PCB design, chematic, housing and software made by GRA & AFCH.Clock based on Arduino Uno or Mega (microcontroller unit) flashed with Arduino Bootloader and sketch (Firmware).Clock compatible with Arduino platform so it allows you to write your’e own unique programs on the Arduino platform.Tthe latest sources are always available on github at the «NixeClock» repository. Nixie Clock includes external GPS receiver for Time sync.And also the Temperature sensor for measuring the temperature. IN-18 Nixie Tubes Clock in a Wooden Case Divergence Meter Dear custumers! If you have ANY questions, PLEASE ASK us. Main Features: 6 digits IN-18 Nixie tubes [hh:mm:ss].12/24 hour format.Date format: DD:MM:YY.Highly Accurate RTC (Real Time Clock) DS3231SN with Backup battery.Slot Machine (Anti poisoning – tubes saving function. Increases the service life).Automatic update information on the tubes.Unique RGB LED backlight with 16,7 million colors.Your can choose any constant color off backlight LED and memorize it. Or you have option for a cyclic full spectrum color change!Switching on/off LED backlight in the matter of seconds.As alarm sound clock uses standard RTTTL (Nokia format) melodies, so You can easy change it. (included songs: Mission Impossible, We Wish You…).Temperature Measurement – External Sensor Easy updating firmware via USB using Arduino IDE.Power On Self-Test (POST): LED backlight, tubes and sound. You can check firmware version at the end. Unique detailed tube test – our soft check each segment on every lamp. Distinguishable to see segement failure.Power consumption: 11-14 VDC, 750 mA. Recommended: 12 VDC, not less than 1A. Power supply connector dimensions 5.5 x 2.1mm (center pin positive “+”). Power adapter for any kinds of walls outlets: US, EU, UK, AU is INCLUDED!!!Reverse polarity protection.Nixie Tubes Clock IN-18 size: 248(L) x 90(H) x 70(W) mm. Large Nixie Tubes Clock on IN-18 Tubes by GRA & AFCH: Manual Dear customers!If you have ANY questions, PLEASE ASK us Shipping and Return information All Items are shipped from UkraineVia International registered AirmailShipments are made within 1 business dayAfter the payments are received and verifiedIt takes about 4-7 days via UPS Express deliveryIt takes about 10-18 days via Standerd shippingIt takes about 35-45 days via Economy shippingWe combine multiple Items to save on shipping UPS Express Shipping time (recommended):Europe:3-5 daysGermany:3-5 daysUSA, Canada:4-7 daysAsia, South America:5-7 daysAustralia, New Zeland:5-7 daysAfrica, Central America:5-7 days Standard Shipping time:Europe:10-12 daysGermany:10-12 daysUSA, Canada:10-15 daysAsia, South America:10-18 daysAustralia, New Zeland:12-18 daysAfrica, Central America:12-18 days Economy Shipping time:Europe:25-30 daysGermany:25-30 daysUSA, Canada:30-35 daysAsia, South America:35-45 daysAustralia, New Zeland:45-55 daysAfrica, Central America:45-55 days Return PolicyAll Returns are acceptedFor Return you should contact Us within 14 Days after receiving the ItemRefunds are made as Money back or Replacements (buyer’s choice)Return Shaipments are paid by the buyerNo restocking fees are charged Dear custumers! If you have ANY questions, PLEASE ASK us.