antonio_liu
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Simple Digital Voltmeter Circuit with PCB using ICL7107

Here I built a simple digital voltmeter circuit with a PCB using ICL7107.

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Simple Digital Voltmeter Circuit with PCB using ICL7107

Things used in this project

Hardware components

IC7107
×1
555 Timers
555 Timers
×1
PCB
×1
Linear Regulator (7805)
Linear Regulator (7805)
×1
SparkFun 7-Segment Serial Display - Red
SparkFun 7-Segment Serial Display - Red
×4
Adafruit Terminal Block - 2-pin
×2
Resistor 47.5k ohm
Resistor 47.5k ohm
×1
Resistor 1k ohm
Resistor 1k ohm
×5
Resistor 22.1k ohm
Resistor 22.1k ohm
×1
Resistor 10k ohm
Resistor 10k ohm
×1
Resistor 120K ohm
×1
Rotary potentiometer (generic)
Rotary potentiometer (generic)
5K ohm
×1
Capacitor 100 nF
Capacitor 100 nF
×3
Capacitor 10 µF
Capacitor 10 µF
×2
Capacitor 100pF
×1
Capacitor 220nF
×1
Capacitor 47nF
×1
Power Supply 9v/12v
×1
Male Header 40 Position 1 Row (0.1")
Male Header 40 Position 1 Row (0.1")
×2
40 pin IC socket
×1
8 pin IC socket
×1
Probe or wire
×1
1N4148 – General Purpose Fast Switching
1N4148 – General Purpose Fast Switching
×2

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antonio_liu

antonio_liu

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