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 using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi,
I have nRF52840 DK with Power Profiler PPKI. It was working for long time, but now it suddenly stops working.
Screen saved:
nRFConnect Dektop version 3.7.1, Power...
After I changed from SDK 17.0.2 to SDK 17.1.0 I get for the example project "blinky_FreeRTOS_pca10040" during the compilation with IAR Embedded Workbench IDE - Arm 8.50.9...
Hi, I had designed custom board using icm20948. i tried to get raw values from sensor and succeed then i had ported nucleo code for nrf53 zephyr. when i tried to run below...
Hello,
I'm evaluating nrf52840 and trying to use zigbee/light_bulb as a starting point. One thing I caught immediately and still trying to find an explanation for was the...
Hi DevZone,
I need help to understand the DFU procedure over the Mesh without any second BLE dongle/BLE serial device to populate the DFU packets.
The ask is how can we...
Hi
I am using the nRF52840 with an external sensor which I need to config (nRF is the master). after this, nRF is acting like a I2C slave (twis) and i like to trigger an...
Hi,
I'm making my own program to upgrade the nRF9160's modem firmware over SWD. So far, application note nAN41 has helped a lot, but I'm getting stuck when trying to get...
Hello.
I need to transfer files from a phone to a BLE peripheral device. I have a small FatFS filesystem on an external flash chip on the device, and I'm now trying to decide...
Hi,
I have just setup the nRF Connect SDK for the first time. I am running Ubuntu 20.04 in a Virtual Machine. I followed the instructions in the "Getting Started Assistant...
Hi!
I'm trying to prepare FOTA firmware using instructions provided by: FOTA upgrades but it seems not working.I have couple of issues and questions. Please help me.
My...
Hello,
I have been experimenting with the new VSCode extension for the last week or so and I've noticed some issues. I understand that this is a currently a beta release...
Hello,
Is it possible to receive a review for a board i'm developing??
This board is to be used as a Raspberry Pi Hat to be able to communicate using UART between RPi...
How to recover communication due sequence number. (Could be due of PYACI serial hardware changed/dammaged). Is there any command to reset or know sequence number of node....
Hello all,
I'm developing a BLE CGMS application based on the experimental example on the SDK folder.
Now I working in the timing characteristics and I could see that...
It looks to me like there's usage of the 32 bit milisecond timer in the mqtt client.
It seems to me that mqtt_elapsed_time_in_ms_get(...) could calculate an incorrect elapsed...
