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...
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...
Dear friends,
I flashed a mesh serial example and fetched the Composition Datacomposition data by composition_data_get(), as below code:
I wonder the meaning about the...
I have implemented nRF5_SDK_17.0.2_d674dde\examples\ble_peripheral\ble_app_beacon\pca10040\s132\arm5_no_packs code for iBEACON.
I am able to run it and able to see the advertised...
Hello,
I was using the send example which is located in C:\v1.5.1\zephyr\samples\drivers\lora and trying to send a message to an Arduino LoRa gateway.
However, I found...
Hello everyone,
I am stuck at a problem that I cannot resolve myself but I see that other people in the forum don't experience such a behaviour of their nrf52832s.
I want...
Hello,
I've been using SES for ARM (Nordic Edition) V4.16 (64-bit). I am working with nRF9160 sample code. While attempting to explore the code, when I right click on...
The program flow of the slave is to sample the analog signal source through the saadc and then send it to the host through the nus. When debugging on nrf52dk, configure the...
Hi,
In my main function, I just call a acceleration_read function to get data from the accelerometer sensor and call a NRF_LOG_INFO function.
But there're something wrong...
Hi,
I try sdk 17.02 nRF52840 usb audio demo,I want to achieve 48KHz stereo music play by a I2S DAC.
I finished adding DAC for I2S to play the sound data of USB Audio...
