I'm develping my application with nrf52832 and nrf SDK v17.
I'm testing SPI interface so that I can use the external flash.
When I using SPI without BLE stack,the waveform...
I'm developing with an NRF52832, using NCS v2.6.1/Zephyr 3.5.99
My custom hardware has three NXP PCA9538 GPIO expanders on it, to allow me to control various address and...
I think this code snippet is causing the issue, since I am able to make the device work by setting:
' NRF_SDH_BLE_PERIPHERAL_LINK_COUNT = 1' and 'NRF_SDH_BLE_TOTAL_LINK_COUNT...
I am working on a project where I am using the npm1300 with host nrf5340. The BUCK1 powers a sensor and BUCK2 powers the nrf5340. I have a SPDT switch connected to GPIO0 and...
Hi,
Is it possible in BLE channel sounding in ncs 3.0.1 to get some information about the quality of the distance measurement for each method? We have three ways to get...
Hi,
my name is Nick De Leenheer, and i am finishing my thesis on indoor localisation with CHANNEL SOUNDING. i currently got these outputs in my venv using SERIAL: so i...
Hi,
I´m working on a Zigbee-based environment sensor. You can find all related files here: https://github.com/Kampi/BeeLight
Now I have the following scenario: the whole...
I had a nRF81522 design that was working at 3.3V and I dropped the voltage to 1.9V. I didn't change anything else, but now I am getting periodic disconnects during interogation...
I have a PCA 10028.
This board uses Two microcomputers.
One is N51422.
Another is microcomputer on which the seal is put(Segger ID:).
What is the role of this microcomputer...
I recently discovered this article ( mbientlab.com/.../) and am trying to understand the data transfer type between the firmware ( ble_app_hrs_s110_pca10028 ) and an iOS device...
Hi,
Currently when I run the HRM demo I end up in the app error handler, unfortunately the error codes don't print to my terminal window. I'm using crossworks, and I was...
Hi,
I am new to using keil uvision. I am creating wearable solution, have enabled battery service indication, RTX support,bsp support, gpio,ble service.
When compiling...
Hello!
I would like to measure RSSI for different channels so as to decide which channel is the least noisy one (and more particularly, which ones are already used). I...
I am trying to choose a BLE device for my upcoming biomedical product design. Any help in comparing these 2 devices will be greatly appreciated.
Things I am concerned about...
Hi,
I am using the nRF51822 with an external chip. The nRF51822 has interrupts which trigger when one of the signals from the external chip goes low. When using BLE and...
My program does a lot of dynamic memory allocation and at some point "malloc" retruns NULL , which is cause the system running out of allocated heap memory (I am assuming...
Hi,
i am newbie to nrf51822 and want to know details of following stuffs:
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there...
Hi guys,
i asked a similar question [1] few days ago, but yesterday i stumbled over the "service_data" type when advertising packages.
I've written a custom service...
Is there a specific part code for the latest Rev 3 QFAC silicon for the nRF51822? We were trying to track down a source with stock of the latest chips, but most resellers...
I'm having trouble using the RTC1 COMPARE function to generate an event/interrupt when the processor has been put to sleep using sd_app_evt_wait().
My configuration is...
Is it possible to use the nRF51 dongle as a slave ?
I have a nRF51422 Eval board that I am planning to use as a central device. Can I use the nRF51 as a slave so that I...