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 get 0x2001 error in spi_master_close() at the following 2 lines.
/* Disable interrupt */
APP_ERROR_CHECK(sd_nvic_ClearPendingIRQ(p_spi_instance->irq_type));
...
I got my UART working just in basic sending and receiving.
Now I am trying to implement buffer feature and other non-blocking features. I have done this on other CPU's many...
I've been playing with the simple_uart example and it seems like it might be missing responses. Does it buffer incoming data until the simple_uart_get() is called?
Hi,
I searched through the devzone but I cannot find a answer on this question but the question has been asked before.
Some background. I have a working solution from...
Hello,
I am working with nRF51822 DK. For the development of my system, I want more BLE devices. So I am planning to buy nRF51 dongle. But I need to know how many times I...
Hi, I'm using mbed version nrf51-dongle. ( developer.mbed.org/.../)
It made an error when count it to the OSX Yosemite, so I tried to fix this error.
...and I gave up...
Hi,
I am try to read and write sd/sdhc card with file system with nrf51822 controller for that i need sd card library for read and write.But i read and write raw data into...
I want to graduate from hacking my own data through the heart-rate-service (hrs). None of these seem to fulfill my requirements. Is there a document or template from which...
I want to process queued sensor data collected at a fixed interval (every 100ms) via TWI in the background/main loop. In the example ble_app_hrs , timer expiration callbacks...
I am planning on using the Nordic nRF51822-QFAB-T part. It appears a discrete balun is used for the QFN package on all of the reference designs. Is there a reason that the...
Hey,
I just got my PCA10028 board was trying different examples to see if everything is working before I start with my own application.
As my application will be using...
I've had no success in updating the application through the NRF TOOLBOX for my Smart Beacon. I was able to load
ble_app_hrs_s110_v6.0...
And that successfully worked...
I am using NRF51 DK and I would like to try using the custom service so I download the nrf51-ble-app-lbs from github.
github.com/.../nrf51-ble-app-lbs
It stated that...
