ICs
74LS138 – 3 to 8 Line Decoder IC
74LS138 is a member from ‘74xx’family of TTL logic gates. The chip is designed for decoding or de-multiplexing applications and comes with 3 inputs to 8 output setup.
LM339 – Voltage Comparator IC
LM339 is a voltage comparator IC from LMx39x series and is manufactured by many industries. The devices consist of four independent voltage comparators that are designed to operate from a single power supply.
DAC7715 Digital to Analog Converter IC
DAC7715 is a ‘Digital to Analog Converter’ chip designed by Texas Instruments and is available in SOIC-16 package only. The chip takes in 12 bit serial data and provides analog output at any one of selectable four output channels.
LM350T Adjustable Voltage Regulator
Pin Configuration
Pin Number
Pin Name
Description
1
Adjust
HEF4013 Dual D Flip-Flop IC
HEF4013 Pinout Description
Pin No
Pin Symbol
Name
Description
SN74LS13 4-Input NAND Gate Schmitt Trigger
SN74LS13 Pin Configuration
Pin Number
Pin Name
Description
1,2,4,5
CD4020B 14-bit Binary Counter/Divider
CD4020B IC Pinout Configuration
Pin Number
Pin Name
Description
1,2,3,4,5,6,7,9,12,13,14,15
SN74HC00 2-Input NAND Gate
SN74HC00 Pinout Configuration
Pin Number
Pin Name
Description
1,4,11,14
HX711–24 Bit ADC
HX711 is an ADC chip with preamplifier included. The chip is specifically designed for weight scales applications. The load cells which usually measure weight provide voltage outputs in millivolts.