Serial Voltmeter implemented by Guino
#voltmeter
#serial communication
#Guino
#measurement
#voltage
#electronics
#DIY
#instrumentation
#analog
#digital
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Car Voltmeter Circuit
This screen utilizes ten LEDs to indicate a voltage range from 10.5 to 15 volts, with each LED corresponding to a 0.5-volt increment. The core component of the circuit is the LM3914 LED bar graph/display driver. A trimming potentiometer, R5,...
DC RMS And Peak-to-Peak High Impedance Voltmeter
An analog meter typically does not exhibit high impedance due to the absence of a buffer circuit within its design. By incorporating active buffering, the input impedance of this circuit can be significantly enhanced.
The integration of an active buffer circuit...
Digital voltmeter using ICL7107
The circuit presented is a highly useful and accurate digital voltmeter featuring an LED display, utilizing the ICL7107 integrated circuit from Intersil. The ICL7107 is a high-performance, low-power, 3.5-digit analog-to-digital converter (ADC). This IC incorporates internal circuitry for seven-segment decoders,...
Suppressed zero meter
A zener diode placed in series with a voltmeter will prevent the meter from reading until the applied voltage exceeds the zener voltage. Thus, a 10-volt zener in series with a 5-volt meter will allow the condition of a 12...
Simple Voltmeter
This circuit provides a straightforward method for measuring the voltage of a low-impedance voltage source. It operates as follows: P1, a 1-W potentiometer, acts as a voltage divider in conjunction with resistor R1. The voltage at their junction is buffered...
Analog Voltage Camera-Image Tracker
By utilizing a low-cost RS-170 camera and this circuit, a voltage that indicates the position of an object within the camera's field of view is generated. IC2A and IC2B create a valid video gate that keeps IC3 in a reset...
Analog Equaliser
The time constant of R1C1 determines the low cutoff frequency, while the time constant of R2C2 determines the high cutoff frequency. The pass-band gain, Avpass = R2/R1. For a high-pass filter, Za must be capacitors and Zb resistors. By substituting...
RealView 2.0
RealView is a measurement application, which records and plots measured values from analogue hardware devices in real-time. Several curves can be plotted into a single diagram. Several diagrams can be arranged on one or more pages if necessary. Plot options...
Analog De-Glitch Circuit Circuit
Low-frequency signals produced by transducers, measurement equipment, or data loggers often resemble the first waveform in the figure. The circuit operates as a tracking sample-and-hold, where transients are replaced in the output by the stored value of the current signal...