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'm trying to get the FDS to work, but it's giving me a headache. I'm using SDK 13.1 and S132 4.0.2 on a NRF52832.
In the beginning I thought I had that issue...
Hello,
I am trying to figure out my problem related to this question .
I am writing just a couple of words to flash with FDS. The problem is that after writing, the...
I am trying to use nfc_t4t_lib in NFC_T4T_EMUMODE_PICC mode. After receiving an APDU I am doing some calculations and sending reply with nfc_t4t_response_pdu_send. If calculations...
What is the best way to store the values of my attribute data?
With my current code, from the tutorials, the read, write and notify works fine.
But I need to store the data...
Hello
I noticed that since S132 v3.x.x we can configure the MTU. Does all the posts referring to long writes in this forum apply to the situation before this feature ?...
Hi
on nrf52832 ble_app_uart how can change MTU size and LL payload size?
have any source ? or example ?
or any change MTU and payload example ?
( for BT4.2 ~ BT4...
Hi,
I'm using SDKv14.1 on nRF52810. I doing the DFU according to the ble_app_buttonless_dfu example. When I use sd_ble_gatts_service_add to add service UUID in the ble_dfu_buttonless_init...
By testing the source example of throughput example of S132, it is known that throughput is mainly affected by four factors.
1, ATT_MTU
2, DLE
3, Connection event...
Hi Nordic team,
Currently our company under developing the product using NRF52840 + S140 Softdevice.
Now we prepare to list our product with Bluetooth SIG but after...
Hi,i have some problems at fds in sdk14.1 ble_app_buttonless project.
1,fds_register() & fds_init();
2,fds_record_write();
3,fds_record_find();
4,printf the record...
Hi guys,
Right now, I'm trying to do some throughput measurements via the experimental ble_app_att_mtu_throughput example. This using the SDK 14.2 and S132 on two nRF52832...
Hi,
I have seen some curious behavior with the FDS module. I'm using nRF5SDK 14.2.0 with s140_nrf52840_5.0.0-2.alpha, with FreeRTOS. In short: In some cases it seems that...
Hi!
I want to get infinite advertising.
My advertising gets timed out in 180 sec.
I have set to Fast Advertising Mode.
Below is my code
static void ble_evt_dispatch...
Hello,
I'm following this BLE services tutorial . I have added the functions required to create a service.
In the our_service_init
void our_service_init(ble_os_t...
