high side current measurements
It`s always a bit difficult to measure the current in the positive lead of a power supply, such as a battery charger. Fortunately, special ICs have been develop...
tesla MEASUREMENT SPR
This page contains tesla coil measurements using signal generators, frequency counters, oscilloscope etc.....
vna usb
A N2PK VNA that it would be useful for antenna measurements and wanted to run it with a laptop PC. As most newer laptops do not have a parallel port on them I d...
lc meter project
an electronic project to construct an LC meter project kit of exceptional accuracy to measure both inductance and capacitance - an inductance meter and capacita...
rear wheel tachometer
One of the goals of Movable Party is to provide an interactive experience for audiences/participants. Since power will be generated from a hub motor attached to...
frequency meter circuit
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30 volts panel volt meter using pic mcu
This is a simple application of internal 10-bit ADC(analogto digital converter) of PIC16F676 microcontroller. you can use this circuit to measure up to 30 v dc....
analog to digital converter adc0804
It is 8-Bit, Microprocessor-Compatible, A/D Converters. Data Collection Analog to Digital Conversion and Communicating and It uses an ADC0804 chip to convert fr...
digital remote thermometer
The frequency pulses coming from mains supply and safely insulated by C1, C2 & L1 are amplified by Q1; diodes D1 and D2 limiting peaks at its input. Pulses are ...
Led display digital Voltmeter
It has been designed as a panel meter and can be used in DC power supplies or anywhere else it is necessary to have an accurate indication of the voltage presen...
Analog to digital conversion
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frequency meter up to 100mhz
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diy laser power gauge
For some time i wanted some way to measure laser power, without spending a fortune on a power meter. First off, it is not possible to build something.....
capacitor tester
The PACO C-25 differs from my Healthkit IT-22b in that it tests both regular and electrolytic capacitors as well as using a 40Mc oscillator to enable a rough me...
grid frequency
Wall sockets supply power in the form of a 230 volt sine wave. The frequency of this sine wave is supposed to be 50 hertz. In other words, the voltage on the so...
voltmeter
Typically, most japanese motorcycles do not have any charge control lamp at all and even on bikes equipped with such a lamp (Bosch system, e. g. BMW and Moto Gu...
ac measurement status
The code I used on the ATtiny85 is now included as tiny50hz example sketch in the Ports library, eh, I mean JeeLib. Here are the main pieces: Nothing fancy, tho...
monitoring electricity usage at home
Gather statistic about the electricity usage at my new house, mainly to see how much using the fireplace lowers the bill. The meter installed by the utility com...
pic volt and amere meter circuits
Volt meter and ampere meter with PIC can be used to measure voltage and current at the same time. The series of volt meter and ampere meter with PIC uses a PIC1...
ic lm2917 frequency to voltage
IC LM2917 IC chip is designed specifically as a Frequency to Voltage Converter or Frequency to Voltage converter. In its use to applications Frequency to Voltag...