Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx(the send length is fixed 10 bytes) ...
Dear nordic employee:
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
Hello,
there’s a section in the NRF9160 specification (11.1) that calls out that VDD_GPIO should be applied after VDD has been applied on power up and VDD_GPIO should be...
Hi,
I am sending firmware image using my DFU master. The image needs to be divided into data objects each of 4096 bytes and then those again into 244 byte BLE packets. So...
Hello,
I'm trying to connect to nrf connect with the nrf9160 DK. I am using an Irish vodafone NB-IOT sim to establish the connection. This sim has an access control list...
Hi,
I have a question regarding a DFU update via BLE. I am using mesh sdk v3.20 and sdk v15.30 with custom hardware (nrf52840).
I have the BLE DFU working as expected...
Hi all,
I am using mesh sdk3.20 and sdk15.30.
I noticed that with the buttonless ble dfu, it is not possible to perform a DFU transfer after the device was provisioned...
I did the program using examples of glucose. But I do not want to enter passkey from central. Because there is no LCD or UART in my device. Which part of the glucose example...
I am developing firmware for my Peripheral Device (nRF52840) using S140 (v7) and SDK 15.3. In my application, I will advertise (with advert payload changes) and support Smartphone...
Hi,
How much is the expected time period from the time VDD goes above 1.75V to main()? I am using a custom bootloader and am seeing a ~4.5s (yes seconds!) delay in getting...
i'm trying to configure the nrf to rx and according to the state diagram i realized that: as the nrf is supplied and the voltage goes over 1,9V the nrf goes in the power down...
Hi, i'm using the nrf24l01 with a zynq board to use it as radiocontrol; i'm trying to configure the nrf as receiver so that i'm able to send data from another nrf connected...
Hi, i'm using the nrf24l01 with a zynq board to use it as radiocontrol; i'm trying to configure the nrf as receiver so that i'm able to send data from another nrf connected...
I am trying to use the LPCOMP API, but I am having trouble with the following function:
nrfx_err_t nrfx_lpcomp_init
(
nrfx_lpcomp_config_t const *
p_config ...
I'm attempting to setup GPIOTE for an output that is set and cleared by different events. The GPIOTE driver doesn't let me initialize an output twice. Is there a way to do...
I have 2 objectives BT beacon and concurrent ESB with Thread using time slotting A. I would like my thread devices to broadcast BT beacons. As this does not require any reception...
Hello. We have product based on NRF51822 chip. 24 bit 4 channel ADC connected through SPI to MCU. Data rate is 250 Hz (4 ms). We send two ADC samples evry notification packet...