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,
Our product is based on BLE 4.2 / 5 peripheral devices and PC application (windows 7 & 10 environment) as central device.
we try to use nRF52840 dongle and also other...
On a NRF52DK Board, There is an on-board programmer done with ATSAM3U2C seen as a Segger programmer or a Jlink Progammer.
By mistake, I erased the entire flash of this...
I was trying to update J-link firmware (using link [https://devzone.nordicsemi.com/question/170895/nrf52832-jlink-stop-working-after-entering-bootloader-mode/] ) into interface...
Hi,
The following vulnerability described as Bluetooth implementations may not sufficiently validate elliptic curve parameters during Diffie-Hellman key exchange in the...
I want to use the serial DFU. Do you have any examples? I tried with ble_app_buttonless_dfu, not UART DFU.If you have a detailed reference, please let me know.thank you very...
Hi,
I am using the MCU on a board with sensors that are sampled in a very high rate (~100Hz).
I am having issues when trying to send the data with notification on more...
Hi,
I am using sdk12.2 and customised nrf52 board.
I want to interface ultrasonic sensor with nrf52. In this I am enabling trigger pin as high and after sometime my...
Dear All,
I am working with SDK version 15 and softdevice 132.
I want the device to advertise for 1 minute. Then go to low power mode. Again wake up after 5 minutes...
I have twe NRF24L01 module,one set Tx mode with autoask,and another set Rx mode without autoask,
The channel and address are same.
Can I use this mode to communication...
I have problem flashing main program and SoftDevice on the nrf 51822 module. I have Keil version 5.24 and I am using SDK v12.3 .
I can flash SoftDevice easily but after...
Hi,
I init the UART pin with the AIN pin such as P0.05, but the program will run into __WEAK void app_error_fault_handler(uint32_t id, uint32_t pc, uint32_t info) every...
Hi Everyone
I have been trying to do some simple led blinking by generating events , however i need to do that if a button_0 is pressed for some duration.
Here is a code...
We are using SDK 15.0 and Softdevice 6.0, FreeRTOS 8.2.1
Is there a way to use softdevice and NRF_SDH_DISPATCH_MODEL_INTERRUPT?
If not, it means SDH task MUST be the highest...
Dear Sir,
I am using SDK15 and sodtdevice S132. I am testing on the kit BMD300.
I am using nRFConnect App in andoird to connect to the device and check the services...
Dear all,
I used SDK 12.3 buttonless functoin with PCA10028(nRF51422), and I occur some problem.
I did some testing as below:
case 1. softdevice+bootloader
case 2...
