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...
Hey
I'm using the softdevice s140 in my project (and the latest SDK 17.x).
I successfully enable the softdevice and am able to start an advertising (as peripheral). However...
Hi
The baseline current consumption running the azure_iot_hub is very high.
I'm using nRF Connect SDKv1.6.1. The sample connects and sends data to azure as expected. But...
Figure 4: Memory layout
Shows code RAM beginning at 0x0080 0000 but nRF52832 Engineering A Errata 33
"Code RAM is located at address 0x0800_0000".
Additionally 0x2100...
Hi,
I am developing a product based on nrf52840 soc as a central Bluetooth device. I want to connect to a Bluetooth device (as a slave) while it is advertising, but unfortunately...
Hello everyone, i'm trying to run the button sample with Pull_up on the pin P0.27 i did the wiring like below
power->VDD nrf-HV
GPIO->P0.27
i attached a resistance between...
Hi,
Does nRF5340 require any calibration in production line in terms of below items. If so could you share any documents on them
- Gain for the RF front end
- Crystal...
Hi, helpies
I am currently workibg on nrf52832 board and now there are some changes in the hardware and we are left with pin shortage,so we planned to upgrade to nrf52840...
Hi, I am implementing NUS which is based on example BLE_NUS & BLE_NUS_C. The connection is not 1-to-1 but 1-to-7. i.e. 1 Central connects to 7 Peripherals. Although ultimate...
I tried following the " Bluetooth low energy Services, a beginner's tutorial ", I ended up getting stuff to compile and run by making a copy of the ble_app_hrs example, and...
Can I write a J-link flash algorithm by myself? Is there any open source Flash download algorithm for reference? When I call west Flash --recover, I can skip the 4K flash...
Hi,
I am developing a product based on nrf52840 soc as a central bluetooth device. i want to connect nad pair to a bluetooth device (as slave) while it is advertising. ...
Hi,
I am developing using the SoftDevice s140 7.2.0.
I am trying to use the MBR function sd_mbr_command() to upgrade my bootloader with command SD_MBR_COMMAND_COPY_BL...
I followed all the steps from the readme instruction and struggle at:
## Compiling pc-ble-driver from source
Step 1. Install vcpkg dependencies is running succesfull ...
I have an example for board PCA10040 that I want to use on a custom board. It is described on nRF5_SDK_v17.1.0/nrf5/sdk_for_custom_boards.html that I have to (1) create a...