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...
I've previously successfully done interval advertisements using a SoftDevice with Nordic's previous (non-Zephyr) sdk, but I'm having issues replicating it on Zephyr.
Our...
Hi, I am using the nRF52840 with the softdevice s140 6.1.1 with the SDK 15.3 with FreeRTOS. Sometimes after collecting data for a around a day the device sometimes crashes...
Hi,
It has been a while since I looked up on different resources to get SPI slave transaction example and I finally found on the `nrf / samples / tfm / tfm_secure_peripheral...
Hello,
I have three questions regarding FEM.
#1 According to the following URL, FEM function is supported only for nRF52 series.
Would the FEM function be available...
Hi We are working on a new product that includes NFC, When we measure the voltage level we do not reach more than 600mv. The matching was done by capacitors: using a 2uH antenna...
Dear all,
I could happily flash my firmware to my nrf52840 upon pressing reset button. When pressing the reset button the diode on the board started to beat red and via...
Dear Mate,
i need brief explanation about below mcu bootloader like 1. starting bootloader how this starting bootloader works and where from it prints starting bootloader...
I am looking to design a board with two microcontrollers, the nRF52840 will be the primary micro plus another that will be connected via UART.
The second micro can be updated...
Hi Nordic,
I am trying to test PER. I used MODULATED_TX_DUTY_CYCLE(with different duties) and MODULATED_TX types at transmitter. Used the same fireware at receiver.
The...
Hi,
i got a project which i need to know if a person put an object in it's place.
The project got 2 elements:
1) Beacon transmitter (@ 0 dbm) attached to the object...
Hello,
I have my s332 application working properly, I have an Android phone and never got any connection errors. Using nrfConnect app I tried to connect from iOS and an...
Hi everyone,
I'd like to check DEVICES (Light switch server) is still alive in the BLE mesh network through GATEWAY (Serial example) but I don't know how to check it. Can...
I am exploring the nRF52832 using nRF52-DK for a low powered BLE device. And for that I am making the System OFF example as my basis for measuring currents of different features...
