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,
I can't get my head around the cipher and auth used by SD132 in BLE (nrf52832,SDK12).
Could someone please explain which HW blocks and SW libs are used for encryption...
Hi, I'm trying to create a custom PCB that uses nRF52832-QFAA and a Meandered trace antenna.
The PCB's environments are 4 layered, FR4, 1.6mm thick, and green PSR ink....
Have built the HTS example and flashed to the PCA10040 board.
Using the iOS app HTM (within nRF Toolbox):
connect.
get notification from the Battery Service
...
Hello,
I have a low-level application that does bluetooth reading to find beacons, and I would like my application to read the battery level to display in my web application...
I have some keyword, want to save to UICR CUSTOMER registers.
Then, when I start he board, I can get the data from UICR CUSTOMER registers.
but, I donot know how to ?
...
Hello,
After a characteristic (with write and notify properties) is written, the nRF51 sends some data through the UART. Then it receives data, also through the UART, and...
I'm trying to program both Secure bootloader and application code using J-Link, preferably as a single hex file. After reset board is stuck in bootloader. UICR is programmed...
Hello,
Before writing here I made some forum search and didn't find the answer.
Previously I used radio notifications to sync ADC measurements with radio events. Now I need...
Hi team,
I am using nRF51822 dongle and SDK12.1.0.i want scans the advertise beacon from another dongle.please tell me which softdevice is used to scans the Advertisement...
Its stated in the Product Spec that one shouldn't place high frequency or high sink/source IO at GPIOs 22-31. My question is what is considered as high frequency for that...
We build our own board with nRF52832 and have problem with radio.
nrf52 Schema
We start with sdk12 ble_hid_keyboard project. I disabled scheduler ,start advertisement...
