Différences entre versions de « Piles-comment-choisir »
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| − | {{bloc-etroit|text= | + | {{bloc-etroit|text=Nous y sommes. Vous avez un projet que vous voulez alimenter à l'aide de pile. Comment allez vous faire votre sélection? |
| − | + | Les deux cas les plus simples sont aussi les plus extrêmes: | |
* '''Is your project very power-hungry?''' Projectors, large sound systems, and motorized projects all draw on the order of amps of current! You'll want to go with lantern cells (one-time use) or lead acid batteries (rechargable). If you are planning to be somewhat 'abusive' to the battery (heavy-usage, running it down all the way) you may want to look at "marine deep cycle" batteries. | * '''Is your project very power-hungry?''' Projectors, large sound systems, and motorized projects all draw on the order of amps of current! You'll want to go with lantern cells (one-time use) or lead acid batteries (rechargable). If you are planning to be somewhat 'abusive' to the battery (heavy-usage, running it down all the way) you may want to look at "marine deep cycle" batteries. | ||
* '''Is your project super-small, like an inch on each side?''' You're going to have to go with a lithium coin cell (one time use) or little lithium-polymer cells like the ones used for tiny RC planes. | * '''Is your project super-small, like an inch on each side?''' You're going to have to go with a lithium coin cell (one time use) or little lithium-polymer cells like the ones used for tiny RC planes. | ||
Version du 15 septembre 2014 à 13:00
Nous y sommes. Vous avez un projet que vous voulez alimenter à l'aide de pile. Comment allez vous faire votre sélection?
Les deux cas les plus simples sont aussi les plus extrêmes:
- Is your project very power-hungry? Projectors, large sound systems, and motorized projects all draw on the order of amps of current! You'll want to go with lantern cells (one-time use) or lead acid batteries (rechargable). If you are planning to be somewhat 'abusive' to the battery (heavy-usage, running it down all the way) you may want to look at "marine deep cycle" batteries.
- Is your project super-small, like an inch on each side? You're going to have to go with a lithium coin cell (one time use) or little lithium-polymer cells like the ones used for tiny RC planes.
Here are some other very popular cases:
- Do you need to make a lot of these things? Go with inexpensive alkaline batteries in popular sizes.
- Need to be user-servicable? 9V or AA size batteries are universal!
- ~5V input necessary? 3 Alkaline (4.5V) or 4 NiMH cells (4.8V) will get you pretty close - check your circuit to see if it'll run at these slightly lower
- Making a 'rechargeable battery pack'? Use a battery holder from your local hobby/electronics/repair shop and stick with NiMH batteries, then recharge them with a high quality charger.
- Want to replace alkalines with rechargeables? Test to make sure that the lower voltage won't make the device unhappy.
- Need to stack batteries? Remember to stack batteries only if they have matching C and Ah capability, if you stack a 9V and a AA to make 10.5V the 9V will drain in 1/10th the time leaving you with 1.5V.
- Want your rechargable batteries to last a long time? Use a high-quality charger that has sensors to maintain proper charging and trickle charging. A cheap charger will kill off your cells.
Tutoriel All About Batteries créé par Lady Ada pour AdaFruit Industries.
Tutoriel traduit par Meurisse D. pour MCHobby.be
Traduit avec l'autorisation d'AdaFruit Industries - Translated with the permission from Adafruit Industries - www.adafruit.com
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