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...
Hi all,
I have the nRF52 DK programming consistently without any trouble both on Kiel and using the nRFgo Studio.
My problems arise when I connect a 3rd party module...
Hi,
im trying to set up 3 PWMs for simulating a RGB LED with the 3 leds on the nrf52-dk.
I need the following behavior:
pushing on a button increases the width of the...
Hi,
I have implemented a custom application(Lets name that file app.hex) which works and sends the data to phone via BLE on my nrf51822 DK. I am using the s110 v8 softdevice...
Due to some constraints in the manufacturing process of my product, there is substantial mechanical variation in the BLE antenna. I can constrain this variation to a degree...
Hi,
I am trying to program MDBT40 with Jlink and having some problems.
Here is the scenario:
I have two versions of the MDBT40. One that I took off a BLE NANO (RedBear...
Hi,
I tried to get the sample ble_app_uart to work on NRF51422_DK with the S130.2.0.0 soft_device.
The compilation and programmation of the board is OK.
The soft run...
Hi all, i recently posted some topics about my application to receive support, everything went good but now i need to add a last step to the project, and i would like to have...
I am using nordic_sdk_10 for PCA10001. what are the BSP changes and config changes needed after replicating PCA10028 for DFU over UART.
I just changed CFLAFS & ASM FLAGS...
Hi,
I am storing data using pstorage module but when i power off my nrf51-dk board, the contents get deleted and not retained in memory. What could be the reason for that...
Hi,
For a new design with nRF51822-QFA, planning to use Johanson Balun and Chip antenna as shown in attached diagram. Not using any tuning components between Balun and...
Hi,
I was wondering why DFU_IMAGE_MAX_SIZE_BANKED is calculated as
(((DFU_REGION_TOTAL_SIZE/2) - DFU_APP_DATA_RESERVED))
and not
((DFU_REGION_TOTAL_SIZE - DFU_APP_DATA_RESERVED...
Hi, I'm using ble_app_uart application from latest nRF52 SDK on IAR compiler 7.1 and PCA10040 board.
It loads and runs debug code, but it does not add breakpoints on any...
Hi everyone
nrf51822,softdevice s130 2.0.0
now i used softdevice s130 establish two connection as a central with two s110 peripheral device,at the same time i establish...