Chip-On-Board (COB) Technology solders three very fine LED chips—one red, one blue, and one green, directly to the PCB Board resulting in a flat, uniform LED surface. This flat, uniform LED surface ...
The first electronic digital watches were admired for their pioneering technology, if not their everyday practicality, when they were introduced in the 1970s. Their power-hungry LED displays lit up ...
This single digit display is an old edge-lit module that [Ty_Eeberfest] has been working with. The modules were built for General Radio Company and have a really huge PCB to control just one digit.
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