Customize Consent Preferences

We use cookies to help you navigate efficiently and perform certain functions. You will find detailed information about all cookies under each consent category below.

The cookies that are categorized as "Necessary" are stored on your browser as they are essential for enabling the basic functionalities of the site. ... 

Always Active

Necessary cookies are required to enable the basic features of this site, such as providing secure log-in or adjusting your consent preferences. These cookies do not store any personally identifiable data.

No cookies to display.

Functional cookies help perform certain functionalities like sharing the content of the website on social media platforms, collecting feedback, and other third-party features.

No cookies to display.

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics such as the number of visitors, bounce rate, traffic source, etc.

No cookies to display.

Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.

No cookies to display.

Advertisement cookies are used to provide visitors with customized advertisements based on the pages you visited previously and to analyze the effectiveness of the ad campaigns.

No cookies to display.

Lët’z Clock – Ufuerderunge vun der Stroumversuergung

Fir d’Bedreiwen vun der Lët’z Clock gëtt een USB Netzdeel benéidegt welcht 2A bei 5V liwwere kann. Also quasi all Smartphone Chargeur säit 2016.

D’Auer besteht aus engem Mikro Kontroller, deen ca. 100mA (=0,01A) Stroum verbaucht, an aus 76 RGB LED.

All LED besteht am Fong aus 3 eenzel LED (Roud, Gréng a Blo), déi jeweils bei maximaler Hellegkeet 20mA (=0,02A) verbrauchen.

Bei der Faarf Wäiss (all Faarf Kanal op maximum), a mat maximaler Hellegket benéidegt eng LED also 60mA (= 0,06A).

Wann d’Auer ageschalt gëtt, da start een Test Programm welcht all eenzel LED emol kuerz jeweils a Roud, Gréng an dann Blo uschalt.

Bei dëser Test Sequenz ergëtt sech dann follgend Ufuerderung un d’Stroumversuergung:

100mA (MikroKontroller) + (76 x 0,02A) =1,62A

Dat ass dann och schon déi héichste Ufuerderung und d’Netzdeel, während dem Betrieb ass den “schlëmmste Fall” follgend Duerstellung:

Fënnef vir Hallwer Fënnef“, op wäiss, op maximaler Hellechkeet.

Bei dëser Konstellatioun ginn insgesamt 21 LED ugeschalt. Zesummen mam MikroKontroller muss dann Stroumversuergung

100mA (MikroKontroller) + (21 x 0,06A) =1,36A

liwweren.