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,
Im trying " https://github.com/NordicPlayground/fw-nrfconnect-nrf/blob/master/samples/nrf9160/gps/src/main.c " gsp example to check supl(AGPS) to integrate into my application...
Hi,
In-app when you scan for device and after it is found you press the connect and then the notification/permission to pair pops out. Our app developers are saying that...
Hi,
We are using nRF51DK for our development, we have developed Android app for Android smart phone.
When the Nordic BLE device advertising we are trying for BLE connection...
Hi guys,
I'm fairly new to this kind of stuff and I'd appreciate if someone could point me in the direction of how I would go about taking the data being transmitted by...
Hi nordic,
I am using SDK15.0 (NRF52840) to design a watch producation which needs pairing. I have a problem that if NRF52840 (peripheral ) has been paired with a smartphone...
I want to get the RSSI of a connected device. The sequence will be as follows:
int8_t *p_rssi;
uint8_t *p_ch_index;
sd_ble_gap_rssi_start (m_conn_handle, BLE_GAP_RSSI_THRESHOLD_INVALID...
Setup: nRF52840 DK nRF52 SDK v16.0.0 s140 v7.0.1 When I attempt to use the nrf_crypto library for AES 128bit ECB encryption I keep getting
NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED...
'm sending a publication set message (0x03) from an iOS app to an nRF52840 board using the light server example in the latest SDK. This works and I'm able to receive messages...
Dear All, I would like to know which is the better GPIO configuration to drive a LED for extremely low power consumption. We have a board with nRF52832 SoC with GPIO connected...
Hi,
I have Android (8.1.0), and installed nRF toolbox 2.8.0. To update firmware using .zip file.
The DFU Upload returns error:
Unfortunately, nRF Toolbox has stopped...
The 3GPP Release 14 introduced new, third power class of 14 dBm for NB-IoT devices. Is it possible to assign nRF9160 to operate at the lowest power rating class, the 14 dBm...
Hello everyone,
I am working on a project where I need to interface an NFC reader (trf7970a from TI) to an NRF52840.
I got everything working fine, but I have a major...
Hello,
I am running S140 on an nRF52840 custom board. While doing some power profiling, I noticed a spike of current of ~15mA when going from sleep mode to waking-up due...
I've created read onle characteristic called "log". In main.c i try to update it by calling : ulogd_characteristic_update(&m_ulog_service,Log_Data_arr)
But nothing happens...