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...
Hello,
I try to implement the BLE / Cycling Speed and Cadence Service and try to figure out, how to initialize the ble_cscs_init_t data structure. Currently I'm wonder how...
I am building a cadence sensor form the Cycling Speed and Cadence Service module.
Unfortunately the sensor I have built is recognized to have both speed and cadence when...
hi
i flashed s110 softdevice 7.1.0 then ble_app_beacon example application fron sdk 7.1.0 into nrf51822 beacon successfully.but led is not at all blinking in beacon.and i...
Hi
I have got two nRF52840-pdk for long range application design. After reading posts here I realized that the softdevice s140 can only change PHY to CODED after a connection...
Hii guys I am using an nrf51 DK board for my project and I am trying to find the number of advertisements send from the time the board was power up or reset. From my knowledge...
Hi,
I would like to be able to provide a visual indicator such as a blinking LED when the chip is in the Emulated System OFF mode. Note that if the chip is in DEBUG mode...
hi
i tried ble_app_uart from sdk 8.0.0 in pca10028 and it is working.but i want to run it in pca20006.i changed device to 51822 & board to pca20006(in preprocessor settings...
Hi. I'm using nRF52832, SDK13, S312v4 as peripheral.
I want to change connection parameter as below.
#define MIN_CONN_INTERVAL_FAST MSEC_TO_UNITS(30, UNIT_1_25_MS)
...
Where can I find the completed source code for the BLE Services, a beginner's tutorial
I keep having trouble advertising, so either I am missing something, or have incorrect...
Hello,
I used latest port_cmsis_systick.c from SDK13.0. And there is still xTickCount bug. Function vPortSuppressTicksAndSleep() adds correct vTaskStepTick(diff); but the...
I am using nRF52 S132 and latest SDK V11. I defined a custom service with a custom characteristic which is 509 bytes (based on your tutorial). Read operation is fine from...
when a particular line of my code is at line 54, the following compile error occurs:
error: #101: "assert_line_54" has already been declared in the current scope
line...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
