I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hello
I found a possible bug in NCS 1.7.0 which was introduced in PR #5353 .
1) False UNKNOWN event when disconnecting
The "invalid cell id" check leads to an false...
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 ...
