Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello, I've been trying to get the nrfx_i2s driver working with Zephyr, on the cpuapp core of the nRF5340. After configuring the driver, setting CONFIG_NRFX_I2S in prj.conf...
I've been successfully creating custom services, but there is one case where a device has a service UUID and it's 2 characteristics have completely different UUIDs (all 128...
Hi,
How do I set ncs v1.5 to save the last open project path?
ncs v1.3 has the last open road
ncs v1.5 does not have a project path that was last opened
Here's the...
Hello, I have a question. In the HID_keyboard routine, I have already bound two phones.
Now I want to cancel the binding, and the function was called by key interrupt pm_peers_delete...
Hi,
I am new to the zigbee development and currently going through the documents.
My end goal is to develop a application that measures the level of a tank using radar...
Hi
We are using an external 32MHz crystal to generate the internal 64MHz clock.
As described in several examples, we start the HFCLK with
NRF_CLOCK->TASKS_HFCLKSTART...
Hi,
I am using nRF52840 and SDK 17.0.2. I used to write data using nrf_fstorage_write() at some address of Flash and I want to read the same data using nrf_fstorage_read...
Hi Nordic,
We created a firmware based on the eddystone example in nRF5_SDK_17.0.0_9d13099,
I modified the macro APP_CONFIG_ADV_INTERVAL_MS_MAX in es_app_config.h from...
Hi,
After connect, we add services/characteristics, and call sd_ble_gatts_service_changed(),but it also return BLE_ERROR_GATTS_SYS_ATTR_MISSING. I have enable NRF_SDH_BLE_SERVICE_CHANGED...
I'm struggling to get my nRF52840 DK to appear in nRF Connect (3.6.1), but I have no issues with connecting the nRF52840 Dongle.
I have been using this hardware for a couple...
My aim is to use a nRF52832 for a Bluetooth peripheral device.
- I just started with a fresh SES V5.44 and downloaded the nRF SDK 17.0.2 - I imported the example "ble_app_hids_keyboard_pca10040_s112...
My product needs HMAC using sha256.
I looked at the \nRF5_SDK_17.0.0_9d13099\examples\crypto\nrf_crypto\hmac
It has been written for nrf52832. My product uses nrf52810...
After the call is initialized and started (nrf_drv_pdm_init nrf_drv_pdm_start), the callback is executed only once. It needs to be re-nrfx_pdm_buffer_set each time in the...
