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 All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi,
I am looking for a sample programs for my use case, wherein :
1. I have to encrypt & store the DFU image which is present in secondary partition.
2. Decrypt the...
Hi,
I am trying to mount Fat FS using pm_static.yml instead of devicetree overlay fixed partition. I can generate a memory report, but when I try to mount file system I...
Hello All,
I have a very strange problem and i can not found any solution.
I have NRF52833DK and NRF52840DK where mi code is working perfectly. Compiled with OTA is ok...
According to the docs, when CEDRXS=3 is sent to the 9160, the modem disables eDRX and the unsolicited response code. However, this means there is no response code to listen...
Hello,
We found a problem with a device in mass production: nPM1100 doesnt start charging a deeply discharged battery.
Here is detailed information. This device was kept...
I downloaded the an saadc example here and tried to alter it to use logging as usually in Zephyr. But when printing to the console it does nothing. However, printf works fine...
Error when executing ble_nus_c_string_send
I am trying to achieve data transmission by connecting two nRF52840s to each other through an NUS.
I scan for advertisements...
Hi all, I have one program that starts and sets up a commissioner and another that starts a joiner and tries to join the commissioner's network. However, after starting the...
Hi
I'm currently using power configuration example nr. 4 for my custom board with nRF52840. Can I use external DCDC for powering my other components on the board (SPI and...
In the datasheet of the nrf52840dk board, for the port P4, there are freely available pins p0.26 and p0.27. If I use those two pins in the overlay file, I am getting "Pin...
Hi there!
I'm trying to make an SH1106 screen working with my Zephyr 3.7.0 project using an nRF52DK (nrf52832-based one). My project is straightforward:
proj.conf
...