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...
i find that the macro APP_ERROR_CHECK call the macro APP_ERROR_HANDLER
do \
{ \
const uint32_t LOCAL_ERR_CODE = (ERR_CODE); \
if (LOCAL_ERR_CODE != NRF_SUCCESS) \...
HI all:
Because the application code is relatively small, bootloader is used dual_bank_mode, but now the application code becomes large, OTA can not upgrade, I would like...
My PCA10001 board is getting detected in nRFgo studio and i can even program it but its COM port is not getting detected in device manager.
I dont know what happened but...
Hello Nordic--
We're most of the way through qualification testing on an nrf51822 and the testing house had a question about the PIXIT values for RF-PHY testing. I sent...
Hi,
I find three different states that is related to DFU and app_button libary.
1, no DFU(that is no bootloader), but using app_button libary, there is no 0.9mA current...
Hi. I use the 'sdk 6' and 's110_nrf51822_7.1.0_softdevice'.
I would like to add security.
I tried to passkey. If i enter passkey, it is possible to bond. but It is not...
Hi all,
I can control volume up/down, music play/pause with the ble_hids module.
static uint8_t report_map_data[] =
{
0x05, 0x0c, // Usage Page (consumer device)
0x09...
Hi.
I'm currently trying to buffer data from beacon interrupt.
So, I choose to use circular buffer.
Before implementing it myself, I could find that there's already...
Hi
I'm using the Adafruit LE Breakout with an MSP430.
I made my own drivers in order to have full ISR support.
My setup works well (no error) i can connect/set_local_data...
Hi,
I’m currently trying to send strings about Nordic UART Service.
In use are two nRF52832 Develop boards. One as Central and one as Peripheral.
The connection works fine...
I have a PCA10040.
I downloaded nRF52_SDK_0.9.2_dbc28c9.zip.
I want to use "ble_peripheral\ble_app_uart " sample program.
However, supporting it is PCA10036. (by readme...
I am modifying the ble_central\ble_app_hrs_c example to connect to a peripheral with an "Authentication Characteristic" that is used to initiate the peripheral-specific authentication...
main.c: Warning: C3912W: Option 'device' is deprecated.
main.c: error: C3903U: Argument '-D__EVAL' not permitted for option 'device'.
i am getting error. can you help...
In my application, I would need to use both RTC(function as a timer) and Watchdog(as watchdog). Is it OK?
I saw in the manual "the watchdog will automatically force the 32...
