9v battery used in at89c51

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This topic has 4 replies, 3 voices, and was last updated 10 years, 7 months ago by Ashutosh Bhatt.

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August 31, 2015 at 10:08 am #3948

HIFZUL
Participant

what happen if 9v battery is used in at89c51 ????

August 31, 2015 at 12:11 pm #13236

Prabakaran P M
Participant

Hi HIFZUL,

It is not good to connect 9v battery directly to at89c51 it may harm it, You have to use 7905 voltage regulator to reduce the voltage to 5 volt.

August 31, 2015 at 12:16 pm #13237

Prabakaran P M
Participant

You have to use 7805 to reduce the voltage to 5 volt.

August 31, 2015 at 12:25 pm #13239

HIFZUL
Participant

tq sir, but if I use voltage regulator then my microC can operate and load internal program as usual ?

September 1, 2015 at 10:28 am #13248

Ashutosh Bhatt
Participant

what is microC? is it a programmer? if it requires 9 V, u hv to apply
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