I am currently working on a hand prosthetic and am developing a wearable wristband to read emg signals. The wristband contains the following:
1) Arduino Pro mini 5V ( Typical supply voltage: +5.0 V, Typical supply current: 10-25 mA)
2) Transmitter Module ( Typical supply voltage: +5.0 V, Typical supply current: 03-10 mA)
3) Myoware muscle sensor ( Typical supply voltage: +5.0 V, Typical supply current: 09-14 mA)
I am currently looking for a battery to power these components. The battery needs to be as small and as light as possible. It also needs to be rechargeable. There is no minimum operation time due to the project being a prototype, however, the longer the duration the better. I am currently looking at a Nimh Battery Pack 2/3 AAA 300mah 4.8v Receiver SQ Premium Sport
( http://www.overlander.co.uk/nimh-batter ... sport.html )
QUESTION 1) Will this battery work fine with the components mentioned above?
QUESTION 2) will it work for roughly hours as I calculated?
0.3 Ah /(25 mA+10 mA+14 mA)= 6 h
QUESTION 3) I think I need a 5V step-up voltage regulator. Is that true?
Thank you for your time :)