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...
Dear sir,
Sir I am trying to send an array of 40 values via nrf51422 to your andriod app "BLE SCANNER" by using the function "ble_nus_string_send ". But it is sending only...
I've tried ble_app_uart, nrf_serial.c etc. and none seems satisfactory.
I can write to the logger logger/uart during DEBUG, but it doesn't seem to succeed in RUN.
Question...
Hello,
I'm using :
- SDK 11 s132
- nRF52832
I want to protect my flash against dumping from swd but I'm working also with DFU from our custom app.
Is it possible...
Randomly on my nrf52832, sd_power_system_off() is returning NRF_ERROR_NOT_SUPPORTED and I'm looking for tips on how to figure out why. I'm using a Bluetooth soft device and...
Hello,
May I please check if the following is correct? On the nRF52840-PDK board (v0.9.3, 2017.47), the "VTref" pin of the "Debug In" header is connected to VDD. Should...
I need to upgrade and existing nrf51 S110 system based on SDK 8.x to something that supports the same functionality and also supports both a nrf51 (during the transition)...
I am working on a project where we are using a nordic bluetooth chip and connecting it to a RS485 Bus using UART with Baudrate 115200. The messages sent from the Bluetooth...
I want to experiment with BLE Mesh. I have several BLE400's with nrf51822's. I want to use these as mesh nodes. I want to get the nrf52-dk to use as an interface node. Can...
I recently downloaded Segger's Embedded Studio to compare its performance and ease of use with IAR Embedded Workbench. We have a kickstarter version of IAR for ARM which has...
hi,
i am using nrf5 sdk 14.2.0 ble_app_uart example with keil v5 IDE and i am doing coexistence with nrf5 sdk for mesh v 1.0.1 for nrf52832 mcu.
a have done all steps...
I use nRF52840-Preview-DK PCA10056 v0.9.3, SDK 14.1.0.
I would like update bootloader, but i have any problems.
I do these steps
1.eraseall 2.program softdevice 3.load...
May be I just did not fined a good reference manual for the software, but it really frustrating me to try and understand from examples.
Is there some guide which take a...
When P0.18 is configured as the RESETn pin, is there a pull-up enabled?
In our design we have an external CPU driving the nRF52 RESETn line.
We have a pull-down on that...
Hi all,
I was wondering if the information in the documentation is the right, I was looking for the Memory map for the nRF52 when using the SDK13 s132 v4.0.2, but on the...
