Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
Hi,
I have serval questions about TX power settings.I wan to increase power to +8dBm,but the result is no effect.
1 Before reseting Tx power,call nrf_802154_tx_power_get...
Hi There,
Custom xamarin bluetooth app [using Plugin.BLE] is failing to connect to the device using ConnectToKnownDeviceAsync approach. User uses tap-to-pair and tries to...
Hi ,
We have a requirement to use the end device. The device should be an sleepy end device normal . When we want to transmit a large data to router , we want make this...
Hi Sir:
I am using SDK nRF5_SDK_17.0.2,the chip is nRF52810. Using the ble_peripheral\ble_app_uart.
The IO is using P0.6 as the BLE Uart's RX Pin,And P0.7 is used as BLE...
Hello, I was successful in using Arduino headers/ libraries to program my nRF52 DK, but now I am attempting to recreate the project in Segger V5.34 for MacOS for potential...
I want to use 52840dk to implement a file system to save some data. I am using NCS V1.4.99. I tried two samples , v1.4.99-dev\zephyr\samples\subsys\fs\littlefs and v1.4.99...
Hello,
I have just purchased a nRF9160 development kit and created a new account on the nRF Cloud website. I was following along with the getting started video for the development...
I have configure a authorized read from a service's characteristic as below .
void ble_band_ble_evt(ble_evt_t const * p_ble_evt, void * p_context) { ble_band_t * p_band...
Related to the following Q & A https://devzone.nordicsemi.com/f/nordic-q-a/70355/saadc_task_calibrateoffset
In the process of checking the operation, we created the following...
Hello, I have just purchased a nRF9160 development kit. I am using the following Youtube video to get things up and running. Unbox and get your Nordic nRF9160 DK up and running...
Dear Members,
I saw this example,
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.2.0%2Fserial_uartes_example.html
I can not find...
I want to encrypt with AES-256.
I want to use the following two functions.
mbedtls_aes_setkey_enc mbedtls_aes_encrypt
I want to add a library containing ncs/v1.4.1/mbedtls...
Dear Support team,
I used PPK2 to test the PSM mode current of nRF9160 is about 7.09uA (as shown in the figure below),but the eDRX mode current has not been tested successfully...
Hello everyone,
I am going tp establish a mesh network by using a devkit and two or more dongle. take as an example, turning off a led on the dongle boards by using a bottom...
Hi, I'm using code based on sdk/components/libraries/bootloader/dfu/ for ECDSA verification of the signature. But switched to Oberon crypto backend. The signature was successfully...