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 was trying to follow the guide to enable unit test of mesh SDK, but cannot get it through yet.
When I run the command
cmake -G Ninja -DBUILD_HOST=ON -DCMOCK_ROOT...
Hi,
I am using the nRF52 PCA10040 board. The memory settings are IROM1 - { start 0x1B000, Size 0x65000 }, IRAM1 - { Start 0x20004000, Size 0xC000 }. The board was working...
Hi，
my ble device mcu is 51822 with sdk11，when my ios app on frontend，it can search the ble advertising immediately，but when my app runs on background，it can't search the...
Hi,
I did some benchmark on internal flash access and found it takes more than 2 seconds for the device to write 16kB data. I timed by "nrf_fstorage_is_busy". Is this normal...
Hello,
I am using the sd_ble_getts_value_set() function two times in a row on two different characteristics. Both characteristics are part of the same service.
At the...
Hello,
I am really new to using the Nordic nRF51822 and I'm having problems making SPI work with the S110 SoftDevice. I was able to combine the sample codes spi_master_example...
I am using a nRF52840 PDK and trying to config 8 buttons.
(1) GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS to 8 (sdk_config.h)
(2) Add buttons define (pca10056.h)
Button...
I've been trying to run some of the examples provided with the SDK's. Blinky is the only one I've gotten to work for sure. I think I haven't set up the linker scripts properly...
I am looking at using two Nrf52840 on Custom PCBs to create a wireless link from my product to a PC one 840 would be the host and would be wired to the PC using USB (HID,MSC...
I know this has been asked a few times, but I am having a hell of a time receiving a ACK packet from my nrf24l01+ receiver (PRX). I am able to successfully send packets from...
Hi,
I just spend a day trying to get the nrf_sniffer tool working.
The
devzone.nordicsemi.com/.../
contained some very useful info but unfortunately it seems i am...
I have a USB host capable Android device running CentOS via Linux Deploy and everything is working perfectly except i'm unable to connect to my USB nRF24LU1+ Crazyradio PA...
Currently, I am trying to run the semtech lorawan code on nrf51822 with sx1276. I have successfully porting the ping pong code to nrf board and also able to send packets from...
I can no longer use the BLESniffer software with nRF51 dongle because it won't reprogram with Ctrl-R getting an error suggesting using nRFgo Studio to reprogram it. Which...
