There is the board mark on the chip like n51822CEAAD01350A0, where DO is Build code, 1350 is tracking code(YYMM), A0 is lot code.
My question is how can I get those codes...
I'm trying to debug a randomly occuring Hardfault. In trying to trace down the source I read the CPU registers use the Nordic hardfault_implementation.c which grabs the register...
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...
Hello,
We start using of our BLE devices with more or less permanent connection with our central BLE device, it was needed for Alisa connection.
BLE peripherals are old...
Hi,
I am a beginner in nRF52840. I want to add a channel hopping feature in the 802.15.4 example .
As per my understanding of source code, we can set the channel number...
I am looking for a way only a known/trusted device can connect and write/read information from my device. Filtering by address(white-listing) is not feasible. So what is a...
Device:
Peripheral only
Peer Manager and Bonding working
S140 radio
nRF5 SDK 15.2.0
Rigado BMD-340 module
Central == iOS devices
Our nRF5 module is controlled...
Hi, I'm on last step of developing, but I have this critical trouble. For the project, I started from ble_app_buttonless_dfu sample of SDK15.3. I added some peripheral (one...
I'm using the ble_app_grs_freertos example. I'm trying to maximize its thru-put potential for Central devices which can support the high data rates. For this I've used the...
Hi, guys,
What I do:
Add freeRTOS into ble_app_hrs example project in SDK15.0
What matter I get:
When I set NRF_SDH_BLE_GATT_MAX_MTU_SIZE as 247, the device can not...
Hi Guys,
I am using Si7021 I2C temperature sensor and I want to read the temperature value using nrf52840-DK. I connected the sensor to the 27,26 pin.
I wanted to read...
DK version: nRF5_SDK_15.0.0_a53641a
Softdevice version: s132_nrf52_6.0.0_softdevice
I am using a Fanstel BT832X SOC, which has the SKY66112 PA, on a custom PCB. The...
Hello,
I am using UART to receive data on a nRF52840 DK.
I have written some code using the Serial Port Library.
I have attached snippets of the code dealing with the...
Hi,
I'm working on a tone library. I'm using timer2 and ppi channels to generate 50% pwm signal.
It's working fine.
Now i want to add another timer comparison ( timeout...
I am trying to see if there is a way I can generate a multi frequency audio signal without additional hardware. I am talking about something similar to DTMF. The audio wave...
Would you please tell me how to use the nrf52832 PWM interface to implement differential output to spkr?
Here is my PWM interface configuration code:
NRF_PWM0->PSEL...
I am working on a device which also needs to give audio feedback to the user.
The app on the mobile phone needs to send a wav (or similar) file (mono, speech) to the device...