Have you tried disconnecting the batteries to see if it will start without them?
Sent from my iPhone > On May 21, 2021, at 5:45 AM, Cédric Hannotier via USRP-users > <[email protected]> wrote: > > Dear all, > > I bought some E312 lately. > Some weeks ago, one of them died: > - refuse to power on > - the led stays off even after plugging the power supply > > I thought it was just an hardware defect. > I was going to request for a repair and move on. > But, yesterday, another one died... > > I would like to understand and avoid a 3th death. > Has anyone ever had this? > > I am not even doing anything crazy with those ones. > They are used as beacon (transmit a payload periodically). > When I got them: > - I upgraded them to UHD4 > - set a static IP and enabled mDNS > - built a cpp program similar to tx_burst (read a file, send periodically) > - configure a systemd timer to start the program at boot as soon as > the radio is available (so that I never have to drop a shell) > > When I need them, the procedure is simple: > - power them on > - plug them if their batteries are empty > - go on with the rest of the experiment > - when I am done experimenting, power them off and unplug them > > They would rest in a lab until I need to do another experiment. > And twice, when I went back, one of them won't power on anymore. > > Regards > -- > > Cédric Hannotier > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ USRP-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
