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 am trying to use the gzp_dynamic_pairing example in SDK version 16 with Segger Embedded Studio and the PCA10040 dev board. There is no project for SES so I copied what I...
Hi,
I am working on nRF5_SDK_17.0.0_9d13099\examples\peripheral\uart project.
How can I increase the UART buffer? like if I have to receive 100+ bytes data how can I read...
I am using a nRF9160 DK. I'm using a Windows 10 system and setup the SDK using nRF Connect.
I've started to experiment with the serial_lte_modem project -- version 1.3.1...
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrfutil%2FUG%2Fnrfutil%2Fnrfutil_intro.html links to two pages which cannot be found: https://infocenter.nordicsemi...
Hi,
I am able to transfer data from my custom peripheral device with nRF52840, but data is moving much slower than it should.
I am writing 244 bytes into NUS within...
Hi,
I am trying to use Cbor library provided the SDK version 1.3.0, I have added the module in my prj.conf file, however the documentation (at the top of cborencoder.c)...
This is the name that is advertised when the device is in DFU bootloader mode.
I've copied the bootloader_secure_ble from /examples/dfu/ but I cannot find where to change...
Hi every body,
My system was able to wake up on gpio on dev kit but after adjusting pin , my custom board is not able to wake up.
I'm in debug mode, it was also working...
Hello,
I am trying to send a single adv packet when a certain condition in the application is met. To do this I am calling ADV_start for the initial adv packet and then...
These questions are in the context of using an nRF52840 in a serialization application. But I don't believe this will impact the information I am trying to understand. The...
I want to program the firmware into a nrf52840 on our custom board to be the NCP and do the DFU over thread. I can not use the DK board and have the nrfutil load the firmware...
Hi,
Our application uses MQTT over TLS to talk to a MQTT broker.
The MQTT APIs used are like in the 'mqtt_simple' sample code.
When mqtt_connect is called with invalid...
Hi,
I'm designing an application using SEGGER Studio for the nRF52832. I have based my application on the template peripheral example.
What I want to do is to trigger...
Hi--
I tried to implement an internally managed RTC using the app timer library, but came to find the error on that is too much for an RTC (~25 min lost over a few days...
I want to know which pins serve the purpose of TX and RX in nRF51822. I suspect its the ANT1 and ANT2 but i want to confirm and also if the following would be a good way to...