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, We are looking for a way to downgrade our apps OTA. Currently, the only way we have found is by "lying" on package creation (ie- to downgrade fw3 to fw2, package fw2 as...
Hi there, we use Adafruit Feather nRF52 Bluefruit LE - nRF52832 in a product. For CE radio testing the lab is asking to set the bluetooth to the first and last channel. We...
We have AD74413R and we try send 32-bits frame size using spi interface and try read results, but it return always zero or 0xff bit. Maybe spi interface nrf9160 cannot work...
In SDK 12.2, why is the SAADC #define NRF_DRV_SAADC_LIMITH_DISABLED (2047) set to this value? On a reset the register is set to 32767 according to the product spec and my...
I am generating a bus fault with the code
static struct cloud_channel_data *ccd=0; int i = ccd->type;
I wish to run the program under SEGGER debugger or any other debugger...
Hello.
I have trouble to run the nRF Connect SDK v.3.4.1 on my Linux Elementary OS.
First problem shows up when you try to clone the nRF and you want to insert the sourcecode_root...
There was a problem converting the structure to JSON. I have two structures
And their description:
I create a structure and initialize:
Code for getting JSON:
...
BLE 4.2 uses something called LESC (LE Secure Connection) for significantly enhancing the link encryption between 2 devices (using public private key pair model). But prior...
HI... I'm in the middle of understanding code line by line...I've taken classes of C/C++ for an year, but BLE programming by myself is so difficult ㅠㅠ I have a very simple...
Hi,
I am using the example above on a PCA10056 development board with nRF5_SDK_15.2.0_9412b96.
No changes have been made to the example code.
After 3 minutes approx...
Smoe android devices can not connect to ble while starting dfu. The android duf library i used was https://github.com/NordicSemiconductor/Android-DFU-Library ,but in some...
I'm trying to run nRF52840 as central to discover and connect to a sensor. This sensor advertises once every 5 seconds. I find it's time consuming to discover the sensor and...
Hi. I am starting design of anothe rproduct which will be on a flexi PCB wherein i'll use nrf52840 and nrf52833 in the two product variants. Nordic Semi has reference design...
The OOB data for LESC pairing contains the BLE GAP Address 256bit random and 256bit confirm value, and is generated by sd_ble_gap_lesc_oob_data_get using the connection handle...
