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Fabien LETORT
Associate II
since ‎2018-07-19
‎2023-06-14

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  • 9 Posts
  • 1 Solutions
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User Activity

LSM303AGR Low ESR capacitor

2018-02-09
Posted on February 09, 2018 at 10:31Hello, in the LSM303AGR datasheet a low esr capcitor (220nF) is requested on pin5. But no more indication are given.On which frequency the esr must be < 200mOhm ?Thanks for the help.#lsm303agr

How update RTC in lrwan library ?

2017-11-08
Posted on November 08, 2017 at 15:48I don't understand how rtc library work in lrwan module.Some code (as the Utilities/timeServer.c) use tick (from rtc) value to get elapsed time.By using TimerGetCurrentTime then a little bit letter TimerGetElapsed...

Sometimes B-L072Z-LRWAN1 stop to send uplink after the first received downlink

2017-05-24
Posted on May 24, 2017 at 11:04Here the procedure : - Join -> Join OK - Uplink , a downlink is send by the networkat this point sometimes (near 25%), no more uplink is send after.I did not success to reproduce this problem in debug mode to understan...

I Cube LrWan Bug on CalculateBackOff (on Join procedure)

2017-04-27
Posted on April 27, 2017 at 11:23The CalculateBackOff method of teh i cuve lrwan is too old and contains a major bug for join duty cycle procedure.The calcBackOff.ElapsedTime is always now !.In case of a new Initiliazation of the LoRa Stack, maybe 1...

I-Cube LRWAN on stm32l07 problem with TCXO off timer

2017-04-24
Posted on April 24, 2017 at 14:43A lots of time, the timer used to switch off the TCXO of the LoRa Module seems to block the timer utility. As this one stay indefinitely on the head.Did someone see already this problem ?#i-cube-lrwan
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