Powering with 3.3v - wifi not working

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hi all,

i'm connecting mkr1000 device has serial port monitoring. monitoring port of device has gnd, 3.3v, x , rx. use power th mkr via vin pin.

the sketch wrote communicates device on serial1 pins , communicate mkr on wifi. works quite perfectly, except arduino not respond http requests. still work when connected usb , seem work on device alone.

therefore i wondering if can caused fact provide 3.3v on vin? read should providing 5v. why did work before/sometimes?
is possible lean scripts still work on lower voltage , heavier ones dont?

one other thing mention can see mkr connected in router, rssi etc. wifi chip still something.

if power not ok, there other way use 3.3v? (since doubt i'll able 5v device)

thanks feedback!

its not "script" causes issues actual power requirements vs supplied.

a phone charger micro usb supply's enough juice.

i powered mine @ 3.7v on 3.3 line @ first because there slight voltage drop when wifi in use caused tx power consumption.

if can measure voltage during tx should notice slight swing.

not psu's deliver constant 3.3 @ rated current.

routers keep connected items in thier logs little while might see connected when isn't or struggling keep connection (some routers keep accurate log not all). if not sure if connected router has option delete connected item , if still alive come right in list again same ip


Arduino Forum > Products > MKR Boards > MKR1000 (Moderator: AndreaRichetta) > Powering with 3.3v - wifi not working


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