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...
Hi guys,
I'm on Win7 and I'm writing data from libusb to nrf51 board, my code is
usb_bulk_write(dev_handle, 0x04, data, WRITE_SIZE, 1000);
When the nrf51 receives...
Hello:
I tried to find this in the documentation but could not. Regarding the external trigger to the PPK (TRIG IN pin). Does this require a high-to-low transition, a low...
Do I need a custom 128-bit UUID if I delete one or more Characteristic from an Adopted Service
I do not modify the remaining Characteristics
For instance: Sniffing with...
I'm trying to program Sparkfun nRF52832 board using SWD (via nRF52 DK). I've erased original bootloader/softdevice/app and programmed S132 and my app. The app works, but only...
Hello,
I'm beginner for NRF51822. I have tried ble_app_hids_keyboard example on NRF51822 with s130 softdevice.
It is discoverable in smartphone as Nordic_Keyboard. Smartphone...
We have been using the DFU that came with the sdk 12.1 with a modification (essentially removing the button from the DFU code). We currently send an application command that...
Hardware:
I have an nRF52 device running the S132 running as a Central.
I have 6 iOS/Android devices running as peripherals.
Background:
I am attempting to have my central...
Hello,
is there any good example available, with whom I can simulate, that there are two devices are already connected and the host is scanning for some other devices?...
I am trying to use the function or any function with my BLE UART application. I have a timer that expires to kickoff reading of some sensors and then when I try to read my...
Hi all,
i m connect a sensor with Nrf51822 beacon and get the data.
so i want to transfer those data to Nrf51 dk kit continuously.
where i want to change or put my data...
Hi,
I use nRF51422 in Dual mode(SD310) with SDK10 Version.
The profile is CSCS.
I want to ask
How to just show Speed Sensor or Cadence Sensor.
Here is what I did just...
Hello,
I'm evaluating the feasibility of using the nRF52832 chip on a board with a microprocessor running Android and I like to know if Nordic has released or is planning...
I'm using SDK nRF5_SDK_13.0.0_04a0bfd and compiling the example ble_peripheral/ble_app_hrs/pca10056/s140/armgcc using Eclipse Mars 2.
Flashing softdevice s140_nrf52840_5...
Dear Nordic.
I cant found stack API documentation for study.
All company give it for user, for example TI.
User open doc folder and can reed API.pdf file.
Where your...
