Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...
Hello,
I am using nRF51822 and an STM32 communicating over UART. I want to test UART communication without CTS and RTS so I did the configuration as shown below:
static...
I've been using the NRF24L01 transceiver to wirelessly broadcast data back and forth among 4 devices, where each device contains the NRF24L01 chip. Everything works great...
Hi, I'm using nrf51822 and ble_app_uart(SDK 12.3.0)
What I want to do is connect my board with nrf51822 and send data over UART
and send data to smartphone over BLE...
When I used keil, I set breakpoints to debug ble project used softdevice. And it was useful..
And now I'm using eclipse and gcc. It works well at first, but when step debugging...
Im using nRF 52 DK. I need to use BLE and ANT simultaneously, but the problem is most of the SDK v12,v13 examples use softdevice s212 for ANT,which does not support BLE examples...
Hello , i'm trying to implement the OTA DFU function in my custom designed board. I'm using NRF52 series. I started by flashing the flash I uploaded the softdevice132 v2 via...
I have a few nrf51822 modules powered up but why do they all have a uuid of 0x1234?
They are programmed for UART services (they just spit the data from an android app when...
Hi All,
I've got a nRF51-DK development kit, and I just compiled and downloaded my first example to it through Keil uVision. Problem is that nothing happens when the program...
what does the LG-MEB 300 mouse use for data streaming? Classic Bluetooth or BLE?
Can BLE support mouse data streaming rate? What data rate does BLE support?
Just curiou...
Hello everyone,
I'm usually on the cutting edge with Ubuntu Linux. I upgrade my development box frequently, because I like the precompiled binaries in the Ubuntu repository...
Hi all,
I have some questions regarding the use of FDS. I understand that every record is assigned a key and file ID. I manage to get basic delete, read and write functions...
Hello,
I'm starting to work with a new ADC that I need to drive with an external 4MHz clock that I will need to drive with my MCU. Is there a way to set up a pin to passively...
Hello ,I wrote a program that allows to control the LIS2DE12 accelerometer but I am reviewing a fixed result which is always X = 72, Y = 33, Z = 32, I find out where the problem...
In my nRF52832 base-board, I don't have any leds and buttons.
I use Keil v5 and I used ble_app_uart_pca10040_s132.
I copied pca10040.h as custom_board.h and replaced BOARD_PCA10040...
I Cant clear the RTC2 after a Compare Match. First Compare is Triggered. After that no more Interrupt is generated. Code:
static const nrf_drv_rtc_t rtc = NRF_DRV_RTC_INSTANCE...