Richardcavell
Member
Hi, everyone.
I have a battery pack that takes 4 x AA batteries. If those batteries are alkaline, the output is 6.4 volts. If they're nickel-Mh, the output is 4.8V.
I have a microcontroller that takes +5V. It is rated at 1.8V to 5.5V. So I guess it could take anything in that range, but I'd like to aim at 5V.
Voltage regulators seem to need decent 'headroom' - for example, I could easily get 5V from a 9V battery. How do I get 5V from 4 AA batteries?
Richard
I have a battery pack that takes 4 x AA batteries. If those batteries are alkaline, the output is 6.4 volts. If they're nickel-Mh, the output is 4.8V.
I have a microcontroller that takes +5V. It is rated at 1.8V to 5.5V. So I guess it could take anything in that range, but I'd like to aim at 5V.
Voltage regulators seem to need decent 'headroom' - for example, I could easily get 5V from a 9V battery. How do I get 5V from 4 AA batteries?
Richard