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...
In GATT Packet transfer, is there occurs any packet loss and retrial?
I'm trying to connect about -90 Rssi dBm peripheral device with my nRF51-dk.
In this far range...
Hello,
when I was working on MSP430 I used to place the firmware version constant at a known address in flash so that it can be verified which firmware version is flashed...
I was having some troubles using the app_timer (RTC1) shortly after mesh startup, so I enabled the PIN_IN_CB and PIN_IN_TS debug pins, and saw some interesting behavior. ...
Hello all,
am trying to configure 3 adc channels in a way to have conversion in 3 differents pins, without usin timer and ppi. so I implement the following code, the problem...
Hi
May i know what would be the debugging procedure using segger-RTT for nrf52840 and what is the debugging Hardware Required ?
Thanks and Regards,
R Madhu.
I know BLE5 is the future of IoT. I also want to invest on it.
But how to setup a complete BLE5 environment? In China, IPv6 has not been supported. Therefore, 6LowPAN/Thread...
Hi,
I want to ask a few question for ble_mesh.
What do these functions do:
rbc_mesh_persistence_set(..), rbc_mesh_tx_event_set(..)
Who should do the set operation...
hi Dear Engineers!
Have a question about external TIMER counter input hw PIN.
as Known, all the MCUs have a timer with external pin as a counter / capturer ability.
how...
I use STM32F4+nRF51822 through the SPI interface. I want to achieve nRF51822 DFU with SPI operation, now upgrade the simple LED to work properly. But can not work when using...
What i need is , am collecting the data from the sensor(which acts as a ble peripheral ) , the data which has to be transmitted to the ble central and that data should be...
Using the nrf52 DK, I was trying for hours to setup Segger IDE on a mac, and the software doesn't feel good to me, its not clear where is your code, it has too many libraries...
The vivo phone sometimes cannot scan the device,
There are two devices embedded same program.
However,one of them can be scanned,the other one can not.
The advertising...
Hi all, I'm working on sdk11.0.0 signed bootloader and I made change in it. Due to these changes bootloader size increased and not fit in the memory allocated to the bootloader...