Circuits & Schematics: meter - 2

11. 3 Meter Clock. Internet connected clock that displays the time using three analog panel meters
    Circuits Arduino Domestic Measurement MCU Open-Source Platforms Microcontrollers Usage
    .. would be able to log on to a SNTP time server, get the correct time, and display the HOURS digit on one analog panel meter, the MINUTES digit on the next, and the SECONDS digit on the last. What a cool way to display the correct time! ...
    May 27, 2008

12. Digital Capacitance Meter
    Circuits Measurement Microcontrollers Usage
    .. is a simple capacitance meter which can measure capacitance value easy. There are some measurement methods for capacitance, at one time the ...
    May 25, 2009

13. Field Strength Meter for 2.4 Ghz Wireless LAN
    Circuits Wireless Measurement
    .. is any 2.4Ghz RF transmitted? Here are the details on how to build a general purpose 2.4Ghz Radio Frequency Field Strength Meter. This one was built using the microwave rated diode from a MICROTEK solid state microwave leakage detector ...
    Jan 26, 2010
14. 0-500MHZ LM3914 RF Power Meter
    Circuits Measurement Radio
    .. up to 500MHZ. However instead of using a PIC and LCD, I am using a simple LM3914 Bar Graph IC for display of db levels. Meter may be powered from a 9V battery or external 12V DC adapter. A built-in 78L05 regulator is used to power ...
    Feb 23, 2010
15. 40 MHz Frequency meter on ATmega16
    Circuits Microcontrollers Usage Measurement
    .. article shows how to build a small, cheap and simple frequency meter, without any fancy, out of reach components. The simple proposed design can measure frequencies up to 40 Mhz ...
    Jun 29, 2010
16. 50 MHz frequency counter, voltage meter & SWR/PWR indicator
    Circuits Microcontrollers Usage Measurement
    .. is a successor of the PIC16C71 4-digit LED f-counter V-meter. Some hard to find parts used in the previous version, which are out of production for some time, has been ...
    Jul 9, 2010
17. Volt/Amp/Watt meter on MSP430 LaunchPad
    Circuits Measurement Microcontrollers Usage Texas Instruments MSP-EXP430G2
    .. is a simple voltage and current meter that uses the Texas Instruments INA219 chip and Texas Instruments MSP430 LaunchPad Development kit . Voltage ...
    Aug 21, 2012
18. Photo meter assesses ambient light
    Raju Baddi
    Circuits Measurement
    .. will produce usable results at a low cost. Figure 1. If the simplest version is required, use an inexpensive volume-unit meter to replace the 0- to 100-uA meter. Three LEDs are used; experimentation will indicate which device has the ...
    Apr 16, 2013
19. AVR frequency meter - from 1Hz to 10MHz
    Circuits Measurement Microcontrollers Usage Atmel ATtiny2313
    .. meter with some of quite good performance, capable of measuring frequencies from 1Hz to 10MHz (9,999,999 Hz) with a ...
    May 17, 2013
20. Precision capacitance meter
    Francesc Casanellas
    Circuits Measurement
    .. Design Idea presents a very accurate, yet very inexpensive, capacitance meter. It was specifically designed for measurements of low value capacitance with an accuracy of better than 1 pF ...
    Sep 18, 2014

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