HobbyKing.com New Products Flash Sale
Reply
Thread Tools
This thread is privately moderated by Dani123, who may elect to delete unwanted replies.
Old Oct 13, 2012, 10:49 AM
Registered User
Dani123's Avatar
Israel
Joined Jan 2005
145 Posts
Idea
Voltage regulator with low voltage alarm

A couple of weeks ago I was flying my SG with 2s lipo and voltage regulator (see my other blog entries).
Well, after 2 hours + I planted it in the ground due to low voltage, the juice simply ran out and I didn't track the time, my fault completely.

After the incident I came to two conclusions:
1. I need to be aware of the flight time.
2. What about voltage alarm?

There are some commercial units, but being me ) I wanted something DIY.
After searching the forum and the web I came across this nice design called the Micro Scream: http://www.rcgroups.com/forums/showt...=LiPo+Screamer.

It is really simple, 6 components in all, and can be adopted to any voltage threshold (I have it on 6.6v now) that I like. After soldering one and validating it's functionality, I had an idea.
Why not integrate the voltage regulator and the micro scream in one unit ?
Again, there are some commercial units, but I like challenges

So, after one night with soldering iron, I ended up with this unit. It is completely functional and the concept is validated.

Next, I would like to make it smaller, to put the components closer together and reduce the volume and of course the weight.

I will update upon progress.
Dani
Dani123 is online now Find More Posts by Dani123
RCG Plus Member
Sign up now
to remove ads between posts
Reply

Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Discussion Quantum Low Voltage Buzzer Alarm & Voltage Tester 1-8 s Q-ACC-0008 ? n808 Batteries and Chargers 1 Sep 27, 2012 12:54 AM
Discussion Lipo Alarm to give Alarm when Battery voltage is low redconuser Batteries and Chargers 1 May 25, 2012 03:24 AM
Discussion At what voltage should my low voltage alarm sound? Physics_Dude Multirotor Talk 5 Mar 12, 2012 04:07 PM
Discussion Regulator Low Voltage Alarm Schematic jfinch DIY Electronics 7 Jun 02, 2011 12:56 PM
New Product 3A~5A electronic switchjack with lost model alarm and low voltage alarm (4 & 5 cell) PLD Slope 0 Aug 15, 2009 10:55 PM