With temperature, if there is one characteristic physical quantity of the past or future weather, it is certainly atmospheric pressure. The variations of this quantity are particularly interesting for weather […]
Search Results for: meter
AC Ammeter Circuit for Measuring Current across 220 V Appliances
In this article we learn how to build a simple AC ammeter circuit which can be used for checking the current consumption of household 220 V or 120 V appliances. […]
Bicycle Speedometer Circuit
In this article we will learn how to build a simple bicycle speedometer circuit which can be used to measure the speed of the bicycle. Video Demonstration What is a […]
High Voltage Meter Circuit [for Measuring 10kV]
In this article we discuss a simple high voltage meter circuit which can be used for measuring extremely high voltages in the order of many 1000s of volts. The circuit […]
Light Meter Circuit with LED Bar Graph
In this post we will discuss 3 different light meter circuits for measuring power of light. In the first method we will use only a solar cell and a multimeter, […]
Microamp Meter Circuit
A microamp meter or microammeter is a device that allows the user to measure extremely small current levels, in microamps, which is normally not possible to measure using conventional multimeters. […]