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ICs

UC3843 - PWM Controller IC (8-Pin)

Note: This IC also comes in 14-Pin, 16-Pin and 20-Pin packages. This article covers only on the 8-Pin version of the IC. Pin Configuration Pin Number

CD4071 - Dual-Input OR Gate IC

Pin Configuration Pin Number Pin Name Description 1,6,10,15

24LC512 EEPROM IC

Pin Configuration Pin Number Pin Name Description 1,2,3 A0,A1,A2

UA741 General Purpose Op-Amp IC

Pin Configuration Pin Number Pin Name Description 1,5 Offset N1, N2

TL074 Op-Amp (JFET Input)

Pin Configuration Pin Number Pin Name Description 1,7,10,16

MAX7219 – 8-Digit LED Display Driver IC

The MAX7219 is an IC designed to control a 8x8 LED MATRIX.

74HC157 – 2-Input Multiplexer IC

Pin Configuration Pin Number Pin Name Description 2,5,11,14 Input A

74LS90 BCD Counter IC

Pin Configuration Pin No. Pin Name Description 1 CLKB

74HCT04 Hex Inverter IC

Pin Configuration Pin Number Pin Name Description 1,3,5,11,13,15

LM7905 Voltage Regulator

Pin Description Pin Number Pin Name Description 1 Ground (Gnd)
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