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~
I am developing door sensor system using nRF52840.
Currently for power consumption, sensor (nRF52840) is system off(NRF_POWER->SYSTEMOFF=1).
nRF52840 can wake up...
Hi, I have 8 peripheral devices each one has at least one sensor attached to it( peripheral will be nRF52xx), the sensor has a sampling period of 8ms. I will be using android...
Hi,
In BLE mesh v3.1.0 I see a file debug_pins.h. For what these debug pins are used and can I disable it for my custom board?
And one more thing related to PA and LNA...
Hi,
We are currently developing a Sensors/USB/BLE/LTE-M1 product for a customer. The board is equipped with one nRF9160,for cloud communication, and one nRF52840, with a...
Hello, I am using nrf5832 with SDK 15.3.0. I want to filter peripheral device based on mac address. I modified example code "\examples\ble_central\ble_app_blinky_c\pca10040...
I'm facing problem when I want to stop receive task, event EVENT_RXTO came at long time period. 4 to 5 baudrate bytes.
Is trere any documentation where could read time between...
Hello,
I want to develop a data transfer service which has a control characteristic that is used to write commands on the phone app and if the command matches any command...
In our application we have made a connection between two nrf52840 devices. with softdevice 6.1.1
normally we operate in 1Mbit mode and tx power on 8.
if we change from...
Hi,
After sending a few textmessages from the client to a server (8 bytes long approx. 10 messages/sec) i get a mesh assert on the client sometimes:
0> <t: 205648>, app_error_weak...
Hi, I'm using a PCA10056 DK board to start new development. I try to program DFU secure bootloader and SoftDevice using nRF Connect 3.0.0 My issue: - configure both hex files...
Hi All
I am recently working on CSAs (Channel Selection Algorithms) in BLE on nRF52840DK, and I am using Zephyr to develop them. I have 3 nRF52840DK, one as sniffer, the...
Hello, I've developed a BLE Mesh Network using the NRF MESH 3.1.0 SDK and the nR5F SDK 15.2.0. My network has 1 client node and max 63 server nodes: I'm using the generic...
I've been developing a solution that utilizes Mesh DFU along with the Mesh Bootloader. However, I've been seeing a frequent issue where the DFU aborts prematurely due to missing...
Dear DevZone,
I'm trying to use the Seeed CAN BUS Shield V2.0 (MCP2515) with the nRF52840 DK, but the library provided is written for Arduino One.
Do you know if any already...