Tagged Questions
3
votes
1answer
143 views
Rechargable power for arduino
What is the best way to provide rechargable power for an arduino based portable device? So far I've found the following options:
1: Use removable batteries and include an external charger with my ...
1
vote
1answer
75 views
Spec'ing an always-on alarm/tracker for a car battery
What is the specification of a standard car battery (e.g. of a 2008 Jetta)?
Say, I want to connect an always-on alarm or a tracker to the electrical system of the car.
Is it likely to deplete the ...
6
votes
1answer
434 views
LiPo vs. NiMH for kid's toy
I've been researching here and on google regarding potential battery technologies for a toy that I want to make for my kids. I was hoping to get others' perspectives on this, keeping in mind that ...
0
votes
1answer
2k views
Why don't my rechargeable AAA batteries work in my cordless phone? [closed]
I'm trying to replace the AAA batteries that came with my BT cordless phone, as they are terrible quality and have quickly degraded (they now only last about 20 minutes after full charge). They are ...
-1
votes
1answer
44 views
Do I need the battery to be present if notebook connected via Car Universal Laptop Power Adapter? [closed]
I am going for holiday and I want to use my old old Acer. The battery lasts for about 10 mins if not connected to the electricity outlet.
If the notebook is connected via Car Universal Laptop Power ...
