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,
In my code, I have not started the HF clock. I call the ble_stack_init where "SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);" is called. Which HF clock...
Hi, all.
I tested ble_app_uart in example directory by PCA10040 board.
The ble_app_uart includes "printf("\r\nUART Start!\r\n");" and "UART Start!" cames out on the putty...
I have a scenario where I have multiple peripherals (nRF52) and multiple centrals (cell phone).
The user is going to use only one central with only one peripheral together...
Hello
In case a connection is disconnected locally by calling sd_ble_gap_disconnect(), no BLE_GAP_EVT_DISCONNECTED is fired even though the sd_ble_gap_disconnect() function...
Hello, I'm trying to optimize power on HID Keyboard app.
This post was helpfull but yet some questions remains.
If I use several services, and want central to be abble...
After S110 7.1 ble_stack_init(), any read/write to temperature register cause a HardFault.
Some sentences like:
nrf_temp_init();
NRF_TEMP->TASKS_START = 1;
...
Hi --
I am using the ble_peripheral/ble_app_hrs example project. And if I try to update the vs_uuid_count param to 2. It proceeds to fail the softdevice_enable with error...
Hello,
I'm currently looking into the secure bootloader from the 12.2.0 SDK, and wondering if there is some example code regarding implementing a uart transport?
I use the software S110 v8.00,and the NRF51822QFAA chip.
now ,I need add DFU Service support to an application.
I find the ble_peripheral\ble_app_hrs\pca10028\s110_with_dfu...
What's the best way to debug an application that is not starting after an OTA DFU update. The app said the update was successful but nothing booted and it didn't even seem...
I find the dfu sdk for ios in github ,but I only find the swift pods, did`t find the code for objective-c.
Did someone have ? Please share to me, Thank you !
Hi,
when developing I often use Google search to find documentation. I prefer using external search engines, since this includes results from StackOverflow and similar sites...
Hello I'm trying to setup i2c/twi communication between nrf52832 with oled driver SH1107 but i need to do it in hardware instead of software but on the register level.
...
