Application examples for hardware design
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By category
Analog
2N3906
Dual LED blinker with PNP astable multivibrator
2N3904
Astable multivibrator with transistors
LOC110
Linear isolation amplifier for an isolated analog input
LM324
Square wave oscillator
Audio
KA2284
5-LED VU meter
INA1650
Balanced line driver for XLR output
OPA1678
Phantom-powered piezoelectric microphone preamplifier
LM386
Mono audio amplifier
Digital
CD4026
Single-digit counter with 7-segment display
CD4017
Sequential 10-output counter with LEDs
CH340G
USB to UART converter
CH9329
USB keyboard and mouse emulator via serial port
TM1637
LED display and keypad driver
Power
LM2596
Step-down DC-DC converter 12 V to 5 V, 3 A
A4988
Stepper motor driver
7805
High current regulator
7805
Constant current source
Sensors
HLW8032
AC power meter
LM324
Photodiode light sensor
HX711
Force/weight sensor
RF
AD8302
Gain and phase meter for RF signals
By part number
2N3904
(1 article)
Astable multivibrator with transistors
2N3906
(1 article)
Dual LED blinker with PNP astable multivibrator
7805
(2 articles)
High current regulator
Constant current source
A4988
(1 article)
Stepper motor driver
AD8302
(1 article)
Gain and phase meter for RF signals
CD4017
(1 article)
Sequential 10-output counter with LEDs
CD4026
(1 article)
Single-digit counter with 7-segment display
CH340G
(1 article)
USB to UART converter
CH9329
(1 article)
USB keyboard and mouse emulator via serial port
HLW8032
(1 article)
AC power meter
HX711
(1 article)
Force/weight sensor
INA1650
(1 article)
Balanced line driver for XLR output
KA2284
(1 article)
5-LED VU meter
LM2596
(1 article)
Step-down DC-DC converter 12 V to 5 V, 3 A
LM324
(2 articles)
Photodiode light sensor
Square wave oscillator
LM386
(1 article)
Mono audio amplifier
LOC110
(1 article)
Linear isolation amplifier for an isolated analog input
OPA1678
(1 article)
Phantom-powered piezoelectric microphone preamplifier
TM1637
(1 article)
LED display and keypad driver
Application examples for hardware design