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  <title>[elecena] Four-Digit Seven-Segment Display - Red - zmiany ceny</title>
  <description>This lovely little (14.2mm) seven-segment display provides excellent segment uniformity and is highly visible up to seven meters away. It's common-cathode, ultra-bright and provides great readability even in bright ambient light!
It has four digits and a decimal point on each digit, designed for numeric output, so you can use it to add a clock, timer or counter into your next project.
These displays are multiplexed, common-cathode. What that means it that you can use a 74HC595 or just 8 microcontroller pins if you can spare them to control the 8 anodes (7-seg + decimal) at about ~15mA each, and then connect NPN transistors or a TPIC6B595 to the cathodes to sink the 8*20mA = ~120mA maximum per digit.

This is an ultra-bright RED colour.
Specifications

* 100mcd

* 14.2mm (0.56&quot;) digit height

* Color: red (630nm)

* Common cathode display

* Maximum power dissipation per segment: 66mW

* Maximum pulse peak forward current per segment (1/10th duty cycle, 0.1ms pulse width): 100mA

* Maximum forward current per segment: 20mA

* Maximum reverse voltage: 5V

* Maximum reverse current: 20µA

* Typical forward voltage: 2.1V at 20mA

* Maximum forward voltage: 2.5V at 20mA

* Operating temperature range: -30°C - +70°C

* Typical luminous intensity: 20mcd</description>
  <item>
   <title>Four-Digit Seven-Segment Display - Red - 2.00 GBP</title>
   <link>https://elecena.pl/product/22716904/four-digit-seven-segment-display-red</link>
   <pubDate>2023-03-07</pubDate>
  </item>
  <item>
   <title>Four-Digit Seven-Segment Display - Red - 2.08 GBP</title>
   <link>https://elecena.pl/product/22716904/four-digit-seven-segment-display-red</link>
   <pubDate>2023-12-27</pubDate>
  </item>
  <item>
   <title>Four-Digit Seven-Segment Display - Red - 2.50 GBP</title>
   <link>https://elecena.pl/product/22716904/four-digit-seven-segment-display-red</link>
   <pubDate>2024-09-19</pubDate>
  </item>
  <item>
   <title>Four-Digit Seven-Segment Display - Red - 2.00 GBP</title>
   <link>https://elecena.pl/product/22716904/four-digit-seven-segment-display-red</link>
   <pubDate>2024-11-29</pubDate>
  </item>
  <item>
   <title>Four-Digit Seven-Segment Display - Red - 2.50 GBP</title>
   <link>https://elecena.pl/product/22716904/four-digit-seven-segment-display-red</link>
   <pubDate>2024-11-30</pubDate>
  </item>
  <item>
   <title>Four-Digit Seven-Segment Display - Red - 2.00 GBP</title>
   <link>https://elecena.pl/product/22716904/four-digit-seven-segment-display-red</link>
   <pubDate>2025-11-28</pubDate>
  </item>
  <item>
   <title>Four-Digit Seven-Segment Display - Red - 2.50 GBP</title>
   <link>https://elecena.pl/product/22716904/four-digit-seven-segment-display-red</link>
   <pubDate>2025-11-29</pubDate>
  </item>
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