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...
Hello I have a custom board with the following dts My zephyr app crashes in bt_enable() Note that uart0 TX pin 8 is used by gps_vrtc_en but uart0 is not defined. Same crash...
Hi
I have been using my out of tree driver for my BG95 module, which I have copy pasted from the zephyr's quectel_bg9x driver (drivers/modem/quectel-bg9x) and its required...
Today I opened VS Code to find all my Zephyr/NRF #includes have the red squiggly lines with an error such as "cannot open source file zephyr/types.h". Right click -> Go to...
Hi,
i acheived writting code that reconnects sequentially with multiple reflectors for my 1 initiator. When i am indoor i had good results, but yesterday i tried it with...
I found this in nRF5_SDK_17.0.2_d674dde/components/libraries/memobj/nrf_memobj.h :
/ ** * A memory object can consist of multiple chunks with the same size. Each object...
Hello,
We are developing a system that have the nRF5340 as a part of several MCUs, and we want to be able to upgrade both cores.
According to this: DFU for the nRF5340...
Hi,
I found that the NRF 54l15 can only estimate distance based on channel sounding and RSSI. On the bluetooth website it mentioned channel sounding accuracy being around...
Hello,
I'm looking to get XInput working on the nRF52840 so that our device can appear as an Xbox-compatible game controller. I'd appreciate any guidance or recommendations...
Hi all,
It is a common convention to configure the I2C SCL signal to be push-pull instead of open-collector if there are no other I2C masters in the system (saves a pull...
NRF52840
S140
App based on ble_app_multilink_central.
I have tried to build a bridge between BLE peripheral and PC.
I have spend so many time on PC side app.
The...
Hi,
I am building a Thread network ( www.youtube.com/watch with a Rasp Pi 4 as a border router, an nRF52840 DK as an RCP, and an nRF5340 DK as a child to be added into the...
Dear Forum,
I have an nrf54l15 device and I would like to send a pure sinusoidal tone and measure the phase difference, retrieve I/Q values at the other device. This is...
Hi! I am designing a nRF54 based motion tracker that has an IMU onboard which can take an external clock signal for improved timing accuracy. Initially I had thought of just...
Hello,
I am having an issue using GPIO P0.03 as a button input in my design. Unfortunately, I did not notice that this pin is marked as a dedicated pin for the GRTC peripheral...
Hello Nordic,
We have recently purchased an nRF52840 Dongle. We were able to sniff the BLE packets over the air. So it is found that all the packets that we are able to...