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)...
Hi,
I am sending data from Android phone in every 200 ms to nRF8001. But sometimes I found there is a 50 ms or 100 ms delay. It looks like nRF8001 spending some time in...
Hi,
I tried the nrf51_iot_sdk_0.8.0_f1f6187 and flashed the coap example (examples\iot\coap\ipv6\client\boards\pca10028\armgcc) with the s1xx-iot-prototype2_softdevice...
Hi,
In many places in the nRF51 documentation (e.g. developer.nordicsemi.com/.../a00081.html) the term "Master Control Panel" is used without clarification that this is...
Hi:
i use SDK7.0 , i write data in flash (address:0x0003fc00)and the data is erased when SDK run.
and is there any way to protect the page that i want to write or...
Any recommendations of power ic to be used in an nRF52 based system?
I am thinking of using DC-DC converter from LTC3553 . Is DCDC converters a good choice for powering nRF52...
Hello,
I am basing a design on the reference design from the nRF-DK (pca10028?). I am trying to understand the implications of using an SMA connector footprint for testing...
I tried to get the ANT background scanning example to work on a PCA10028 and it jumps to softdevice_assert_callback when opening the ant channel. Downloaded everything fresh...
Hi Guys,
I'm new to using the nRF51822 environment but I've used AVRs for years, so please be gentle...
I'm wanting to drive a strip of WS2812 RGB LEDs from an nRF51822...
So I have my nRF51822 updating the characteristic value and sending notifications once every time I receive a radio notification.
uint8_t readings[20] = { 0, 0, 1, 2, 3...
I'm trying to set up TIMER0 to interrupt the timeslot 500us before its end.
It doesn't seem like the NRF_RADIO_CALLBACK_SIGNAL_TYPE_TIMER0 signal is happening, I've put a...
When I try to enable SD having earlier initialized Gazell (SD resources variant) sd_ble_enable() returns 2 (SOFTDEVICE_NOT_ENABLED). If I remove the Gazell initializaton it...
I am trying to work with a custom 3rd party BT 4.0 peripheral device which uses an nRF8001 to transmit data as temperature values in the Bluetooth Health Thermometer service...
Hi,
Slight problem here with bootloader updates : right after download, I copy from SWAP (0x16000) to normal location (0x38000 in my case).
sd_mbr_cmd.command = SD_MBR_COMMAND_COPY_BL;...
I am wondering how to precisely measure my power consumption. Till now, I have been using INA216 on PCA10004 board + labView for acquisition, but it is not precise enough...