I am building a rev.c crossbow. I have decided to use a 3s1p 11.1v lithium ion battery.
My concern is if the board’s stock charging circuit can be used to charge this battery if it has a bms built into the battery? Has anyone done this or do people typically remove the battery to charge?...
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Crossbow Classic Pi Question
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Maximum voltage for Minipulse rev D? Tool batteries?
Hi, I have a minipulse looking for a housing. I've been thinking about adding a charging/management circuit for some rechargeable batteries and making it a neat unit and then lately bought a battery powered line cutter for the garden and thought "why not use a tool battery system in the metal detector?"... -
Dynamo for recharing detector in remote locations
Hello, I made a pedal dynamo:
The larger cog is 160mm, the smaller cog is 70mm.
Presently I generate about 2 volts (with fast pedalling), my aim is 12 volts.
I was thinking of increasing the larger one's size and decreasing the smaller ones size.
Does anyone... -
Surf PI 1.2 - Connecting Batteries, Speaker and Coils
Guys, I'm novice. Please help.
I have soldered all components to Silverdog's Surf PI 1.2. Now how do I connect battery pack, speaker (5V Buzzer) and coils? Can I directly solder a speaker wire to buzzer and then the other end to molex female? Does the polarity matter? I appreciate any help with... -
Make your own Lithium Pack dirt cheap.
The other day I found a very good deal on a Lithium Battery Pack with charger for both mains and car for $38.00 Australian dollars or around $30 USD with free postage from HK. This battery is 7.4 volts at 7.2 Ah and only weighs a couple of hundred grams.
Anyway I made a video of the little...