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 have a issue with the output regulation of REGOUT0.
I have a custom board based on the NFR52840-CKAA (revision D). I designed it in high voltage mode because I have...
Hi, I'm getting a crash when discarding an advertising packet.
Roughly what I do is:
Which crashes at advertiser_packet_discard().
GDB trace:
It looks like packet_buffer_pop...
When and by what logic Peer Manager performs garbage collection on FDS?
I have a single number stored also in FDS and I’m wondering if gc performed by Peer Manager will...
Hello,
I'm still just starting to deal with Zigbee and I have a question. I use 2 nRF52840 chips. One as a Zigbee Coordinator (CLI in SDK\examples\zigbee\experimental\cli...
Hello Sir
Sir i am try to sending the some text to nrf 52840 board,if you have any document please send it.
and how to do this process ? Sir please explain
Hi ;
If there is a ble message coming , but this time ble is getting data from sensor , what will happen ? Will it device reset ? Would you give me any idea to avoid this...
Dear all,
We have a question.
Did any body tried to make so that Bluetooth Mesh 4.2 works in PARALLEL with Bluetooth 5.
Some schedule reserved for BLE MESH 4.2 and some...
Hello,
I never used BT modules before. I'm going to buy some bluetooth modules to add wireless to an existing board.
I need module with following characteristics:...
Hi，I want to write the firmware to 52832 from android system by UART .I have readed the firmware into bytes, and then do not know how to compose the bytes to write into serial...
I have the following situation:
My device receives a number of RF packets, changes to TX mode, sends some data, goes back to RX mode and it should be able to access the...
Hi,
my application is normally a BLE scanner, listening for beacons. This runs OK.
Now, I tried to add a tested piece of connectable gap/gatt firmware, that runs fine...
Hi ,
in the RTOS example, you set
configTICK_SOURCE as FREERTOS_USE_RTC and configCPU_CLOCK_HZ as( SystemCoreClock ) .Since SystemCoreClock is 64mhz, why did you not set...
I am trying to understand why when I connect the nRF52840 Dongle using nRF Desktop I get this message in the log:
2020-02-26T23:12:13.293Z INFO Connectivity firmware version...
Hi Team,
We are using nRF 52840 chip for our development of product.
As of now the settings for BLE data transfer are as below.
MIN_CONN_INTERVAL 20 // which is the...
