µCurrent Adaptor for multimeters
The µCurrent is in many cases also able to improve upon your meters current range accuracy by using your meters more accurate mVDC or mVAC voltage ranges inste...
Oscilloscope AC Probe
The probe described here was designed to be used over the range of several tens of Hz to a couple MHz with currents from a few tens of milliamps to about 10 amp...
Digital Thermometer using
The most common appl icat ion for the NTC thermistor
is temperature measurement. Accurate temperature
measurement can easily be accomplished by interfacing...
Voltage, Ampere Digital meter
This multimeter was designed to measure output voltage and current in a PSU, where the current sense shunt resistor is connected in series with load at the nega...
Voltage, Ampere Digital meter
This multimeter was designed to measure output voltage and current in a PSU, where the current sense shunt resistor is connected in series with load at the nega...
Inductance adapter for frequency meter
The following circuit enables me to measure inductance of the inductor labeled LX which is the inductance to be measured. The o/p of the circuit is a TTL square...
Inductance adapter for frequency meter
The following circuit enables me to measure inductance of the inductor labeled LX which is the inductance to be measured. The o/p of the circuit is a TTL square...
LED digital Voltmeter
This is an easy to build, but nevertheless very accurate and useful digital voltmeter. It has been designed as a panel meter and can be used in DC power supplie...
Voltage Ampere and Temperature meter with PIC16F877A
This project was designed and constructed as enhancement to the 0-30V Stabilized Power Supply Project with the DIY electronics hobbyist in mind. The circuit use...
Cold Atom Control System for PC
We have developed a powerful yet inexpensive and easy to construct experiment control system. The construction of the system together with the control software ...
12V Analogue Battery Volt Meter
This circuit is used to measure the voltage on a 12V (nominal) lead acid rechargeable battery system. It was specifically designed for use in solar powered syst...
Thermometer circuit with AD595
the entire circuit is comprised of integrated circuits. This makes for some easy organization when it goes to the circuit board for soldering. In addition, I us...
Voltage Test Probe
Using inexpensive components, you can fit a simple probe circuit into a pencil-sized enclosure. When both LEDs are on, the probe indicates the presence of an ac...
Voltage Test Probe
Using inexpensive components, you can fit a simple probe circuit into a pencil-sized enclosure. When both LEDs are on, the probe indicates the presence of an ac...
LED RF Signal Strength Meter
RF Signal Strength Meter circuits are popular RF measurement devices. This circuit is one of the simplest but very useful circuit that satisfies your desired a...
70 MHz to 1 GHz Frequency Counter
This simple counter is useful for frequency measurements of various wireless equipments, especially transmitters, receivers and signal generators in VHF/UHF ban...
Digital Voltmeter
The ICL7107 is a 3 1/2 digit LED A/D convertor. It contains an internal voltage reference, high isolation analog switches, sequential control logic, and the dis...
PC DATA LOGGER
Data acquisition is the process by which events in the real world are sampled and translated into machine-readable signals. Data acquisition typically involves ...
LC meter 16x1 LCD Display
This is one of the most accurate and simplest LC inductance / capacitance Meters that one can find, yet one that you can easily build yourself. This LC Meter al...
Battery Volt Meter
This circuit is used to measure the voltage on a 12V (nominal) lead acid rechargeable battery system. It was specifically designed for use in solar powered syst...