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 use nRF52832 and move my project to SDK13.
I want to use debug mode in keil-c and try to find after ble_db_discovery_start function call why no csc_c_evt_handler_t call...
I'm working on an OTA firmware update process, using my own bootloader and application. To understand the process' limitations, I need to know to what extent one can update...
hello everyone:
how many timers can i open in nrf51822(QFAA) with SDK9.0? the APP_TIMER_MAX_TIMERS's max value
#define APP_TIMER_MAX_TIMERS 13 /**< Maximum number of...
Hello,
I am referring to this link
www.nordicsemi.com/.../3rd-Party-Bluetooth-low-energy-Modules
and I am referring to Xuntong PTR5518 11 15x15x2mm PCB China product...
I see BLE_GAP_EVT_SEC_PARAMS_REQUEST generated from SD. How to call this request for pairing state?
I can't find any peer manager in the project.
Explane, pls.
Following is a simple application that I have created. It has no softdevice and the configuration is very similar to blinky freeRTOS example.
Source code:
main.c
...
Hello ,
I'm working on custom board, I'm trying to disconnect from the Central (Andriod app) when the battery is below certain level and stop re-advertising.
Below is...
In s130 Soft device v2.0 document, it says it can have role with up to 8 Role concurrent with Central, Pheripheral, Advertiser, Observer.
I'm not sure i've understand all...
Hello. I'm using nRF52832, PCA10040, SDK13, S132 and "ble_app_uart" as reference.
When I connected board through by bluetooth, I couldn't see notification message which...
Hello,
According to the nRF Sniffer Guide 1.2, the sniffer is supported on a number of platforms (nRF51822/nRF51422 Evaluation Kits and others). All of them (as far as...
I am working on a project where my nrf51822 is on for long periods of time in lower power mode. Yesterday I made some updates to the code and the devices were working fine...
Hi Nordic team,
I print logs at each function in ble_bas.c. I used the App of nRF connect to test BAS. I can see on_connect, on_disconnect and on_write at enabling/disabling...
Hi,
The spec(nRF52832_PS_v1.3.pdf) said the peak current of TX/RX is 5.3/5.4 mA.
However, I use the PCA10040 board and the ble_app_template(SDK 12.2.0) sample code...
Hi,
I can see that Apple states that iPhone 7 supports LE Data Packet Length Extension forums.developer.apple.com/.../73168 . Anyone know if the packets per event and the...
Hi,
I have NRF51822 module with custom carrier board.
I trying the experimental ble app blinky (S130) with PCA10040 (master cenrtal board S132) works fine.
When trying...