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 have been looking at the Mesh library for BLE communication and wonder how much work it would be for me to use the same library for a long range 2,4 GHz radio?
Is the...
Hi,
now we use SDK17 "ble_app_hids_keyboard" example, we found after the moble phone connected to the ble keyboard, if the ble keyboard power off and power on ,the phone...
I am trying to to do adc reading from external 9V Litum battery.
In the PS document, I know nRF52832 can read adc until VDD(3.7V ???).
Then, in my case, do I have to design...
Hi,
I use the timestamp log in SDK17, and I find the time will auto clean at about 1min6-7sec.
Below is the code init the log.
/**********************************...
Hello,
I have a setup containing an NRF9160 communicating with another chip over UART at a 1M baudrate.
The following code is currently used:
I have configured the...
Hello team,
Greetings From Deepa. I need an manual installation procedure and building, compiling and Running the zephyr -OS with my laptop for learning purpose. I browsed...
I'm using nRF52840, PCA10056, and finding that if WDT is enabled (but not expired), after a soft reset (NVIC_SystemReset, or a debugger reset) the RTC no longer runs.
If...
Hi,
#define TIMEOUT_INTERVAL 2000 // Two second.
Sometimes starting app_timer_start(motTimeout_trigger_time_id, APP_TIMER_TICKS(TIMEOUT_INTERVAL), NULL), the interrupt...
Hi,
I'm wondering if I'm doing correct by following getting started guide of nRF9160 ( https://devzone.nordicsemi.com/nordic/cellular-iot-guides/b/getting-started-cellular...
Hello,
We start a new development in BLE and for this, we have to use the AVRCP profile.
Is this profile available with the Nordic BLE stack (SoftDevice)?
Thank you...
Hi,
my question might sound a bit silly, but I am certain that someone already faced the problem therefore I am wondering how it was addressed.
The question:
what is...
Hello, I've tried the "smp_svr" sample from the nRF Connect SDK on my new nRF52832 boards because I wanted to test Bluetooth advertising and DFU capability. They compile and...
Hello,
I'm trying to setup a TCP connection to a remote TCP echo server (echo.u-blox.com : 195.34.89.241, port 7), for testing.
The socket is being opened, and I receive...
Hi!
I'm trying to make a simple frequency meter with the nRF52-DK.
Actually, i'm trying to enable a simple timer, but my program freeze. I'm using mbed studio and I enable...