Voltmeter + Ammeter LCD Panel

Written by: Alan Parekh at 5:48 am. Filed under DIY Hacks, Electronic Hacks

This power supply meter allows you to keep you eye on your load and voltage with a nice digital display without hooking up a bunch of separate meters. How many times have you hooked up a current meter to a project being constructed to see how much juice it’s pulling? Well with this display that second meter can be put to better use! Schematics and code is provided.

“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 negative voltage rail. It needs only one supply voltage that can be acquired from main PSU. An additional function of the multimeter is that it can control (switch on and off) an electric fan used to cool the main heatsink. The power threshold at which the fan switches on can be adjusted using One Touch Button Setup.”

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3 Responses to “Voltmeter + Ammeter LCD Panel”

zedomax.com Says:
February 21st, 2007
DIY HACK – Voltmeter Ammeter LCD

Check out voltmeter and ammeter LCD panel you can make using an Atmel8 MCU. Tight!
This multimeter was designed to measure output voltage and current in a PSU, where the current sense shunt resistor is connected in series wit…
Ivan Says:
January 12th, 2010
Hello. I found this project on http://www.electronics-lab.com . Now i have a problem. I got all the parts and i buildt a power supply, but their web page broke down. I need this project now real bad. Please, can you send me this project or find the creator.
Alan Parekh Says:
January 12th, 2010
It looks like they have a temporary issue. I am sure it will be back up later today or tomorrow. Unfortunately I don’t have any additional info about the project to help you out.