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...
Folks,
Simple UART communication shouldn't be this difficult. Embarrassed to admit it, but I'm having problems setting up and using the app_uart.c/.h module from the SDK...
Hi all,
I have a working prototype of a service which enables a number of characteristics for the control of motors and relays. The motors work great, and are controlled...
Is it possible for gpiote_event_handler interrupt to get executed while the program is executing code inside timer_event_handler?
These events modify same variables so...
I intend to keep a long running clock in the system and use the app_timers(hence RTC1) in a soft device enabled nrf51822 firmware.
I basically have a minute tick and update...
Hi,
I want to run the experimental_ble_app_uart application on our custom nRF51822 board.
However, I could not find a proper bootloader to start the application. Is...
Where can I find an example of using device manager? The SDK doesn't have anything. I am using S110 7.1.0 and SDK 6.1.0 on nrf51822. I am having lots of problems with iOS...
I try to use Android studio to build nRF Beacon project,but it didn't work ,and there are several error .
the error is
Error:(50, 35) No resource found that matches...
Hallo,
I try to use the s310 timeslot API. I open a "session" and then request a timeslot:
check( sd_radio_session_open( nrf_radio_signal_callback ) );
request_radio_slot...
I am trying to implement the pulse counting mentioned in a previous post of the same name, but the code is eluding me. I am using the heart rate service example with new code...
Hello,
I want to implement a firmware update over ble for my application and the SoftDevice 130. Which would be the correct boatloader.hex that I should use? I am working...
Hi,
I am using softdevice-7 and SDK 6.1 for our application.
If I connect using a passkey, first 「BLE_GAP_EVT_SEC_PARAMS_REQUEST」 event occurs, then the 「BLE_GAP_EVT_PASSKEY_DISPLAY...
I have a mature design with several hundred units built using QFAAE0 silicon. Code works. Hardware works. FCC is happy.
I'm considering migration to V3 silicon and maybe...
Hi....
I have PCA10028 DK and i want to make a profile that works both as central and peripheral. As a part of this i tried running S130 demo app found in S130_softdevice...
I need to remember the CCCD's of some service, e.g. service changed. A CCCD is according to spec 2 bytes long. The method to do this is by using sd_ble_gatts_sys_attr_get...
