About JHCarter

JHCarter · 2023-01-08

I have tried running the BLE_HeartRate application as generated by STM32CubeIDE v1.11.0 which used WB FV 1.15.0. I am running on a custom board (DK board is not available right now) that has a STM32WB5MMG module, the recommended capacitors, and a he...

JHCarter · 2020-01-02

I am running the above mentioned board about 3 meters away from two gateways, a TTIG and a RAK7258. I made two modifications to the stock End Node application - I modified Commissioning.h with the EUI, etc. for one of the gateways (have tried both)...

JHCarter · 2023-02-04

You are correct. I tied PH3-BOOT0 to ground through a 10K resistor and the current draw between advertisements dropped from 160uA to 3uA.Many thanks for your help.

JHCarter · 2023-01-23

I tried the BLE_HeartRate reference binary and the results are better but nowhere near as good as with the Nucleo-WB15CC board.When it starts up it is drawing about 420uA. After one minute the application increases the advertising interval to around...

JHCarter · 2023-01-19

Here is the schematic. R2, R3, and IC1 are not populated, so there are no peripherals on the board. Nothing is connected to J2 or J3 during the test.Thanks.

JHCarter · 2023-01-08

I have modified my test setup for the Nucleo-WB15CC board to remove all jumpers from JP5 to isolate the onboard STLINK. This brings the current draw between advertisements down to 1uA. The custom board with the STM32WB5MMG module is connected to th...

JHCarter · 2020-01-06

OK, I think I have this figured out. The bottom line is that the current LoRaMac does not handle an environment where there is only an 8 channel gateway very well. The end node keeps sending uplink packets on random channels from 0 to 63 until it f...

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BLE_HeartRate application consumes more power on STM32WB5MMG than expected

B-L072Z-LRWAN1, STM32CubeExpansion_LRWAN_V1.3.1, End Node application: 50% packet transmission failure to gateway

Re: BLE_HeartRate application consumes more power on STM32WB5MMG than expected

Re: BLE_HeartRate application consumes more power on STM32WB5MMG than expected

Re: BLE_HeartRate application consumes more power on STM32WB5MMG than expected

Re: BLE_HeartRate application consumes more power on STM32WB5MMG than expected

Re: B-L072Z-LRWAN1, STM32CubeExpansion_LRWAN_V1.3.1, End Node application: 50% packet transmission failure to gateway