This basic circuit showing the LM3914 “inside” was published in the October 1980 issue of Radio Electronics magazine. Note that R1 determines the brightness and that the power supply is 9 V.
This TTL circuit must be powered by a voltage of 5 V. The circuit provides pulses of 1...
This circuit is based on a Texas LinMOS integrated circuit that consists of an operational...
This circuit is a wireless temperature transmitter for RF signals in the range of 0.2 to 2 MHz...