This circuit uses two National Semiconductor LM3914 dot/bar-display-driver ICs to implement a two-digit, 0 to 5V LED voltmeter that mimics a subranging flash ADC. An LED bar graph comprising five LEDs ...
Programmable Large Digital Displays for analog inputs can contain five 2.25 and 4-in.-high red LED digits, with readability up to 130 and 180 ft, respectively. The LDA is available as a volt, current, ...
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