Posted on Monday, September 17th, 2012 in parts by DP
Touch let us know about these 4 digit SPI controlled 7 segment displays that cost a little less then $1 a piece. They include decimal separators and a colon separator so it’s easy to display time.
I picked up some cheap 4 digit 7 segment displays over on eBay for $10 + shipping. They Include a SPI PT6961 driver chip built in that deals with PWM and Multiplexing, saves on microcontroller ports & current limiting resistors. Figured someone here may have a use for them!
Via the forum.
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