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...
I'm using s120 v2.1, with SDK 9, on an nRF51 with 256K ROM and 16K RAM. With s120 I only have 6K of usable RAM for my application. I am running critically low on RAM, and...
I am using a nRF51 dongle as a BLE tranciever and using UART to communicate with an 8bit AVR. I used BLE_APP_UART peripheral example and mostly just changed the pins used...
Hi,
I am trying to update the battery level of my Battery Service but get keep getting an error. The error code is : 0x00003002. I cannot find any mention of what this...
I am trying to start programming in nrf51822 module with the waveshare kit. but the kit always shows the error as switch to boot-loader mode . how to solve this problem?
i am using nrf51822 wavshare kit with ulink2 debugger.
when ever i try to program the kit using keil the error pops like "overlapping of address in 00014000H".
then...
Hi,
I am using nrf51822 and SDK 8.0.0 , SD2.1.0 as an central and SD8.0.0 as peripheral. I am following ble_app_multilink_central and ble_app_multilink_peripheral example...
Hello,
We have a custom board using nrf51822.
In keil the board is detecting at 20khz clock for SW port in the debug window, we are able to program through keil.
...
This fork of the MBED CMSIS-DAP firmware seems to be the latest updated one. The title says, 'Interface firmware providing USB CMSIS-DAP for debugging, USB MSD for programming...
Hello,
I try to change a value by using sd_ble_gatts_value_set(...). If there is a connection, this works fine. But now I have to change the value also, if there is no...
Hi again.
I'm using nRF52 DK board in Ubuntu. I can flash the device with the blinky example (I haven't yet tried the softdevice tough), but I cannot really get any traces...
20160316_113235.jpg Hi guys,
i have 20 nodes and a central in my network, that are very close to each other except central device ( All of nodes are in a approximately...
Hi,
I'm wondering why are there scan parameters on creating connection? If I refer to SD130, create connection function , there is a note which tells us that if scan is...
I have 2 existing products, one using the nRF24LE1 and the other having a 2.4GHz ANT radio. Is there a way to have the 2 products communicate wirelessly? If it is possible...
Hi.
Quest to get the toolchain working under ubuntu continues.
I've done the eclipse and jlink config as explained in the nrf51 linux tutorial (with of course keeping...