Hi,
We're looking for a low-latency 2.4GHz solution (not BLE) and the nRF51822 is oft-quoted as providing low latency, but what are the typical ms figures we could achieve...
Hello all,
in my previous question (Switch between applications (multiple services.h)) I got the advice to merge my two services into one service, including a HID over...
I am trying to create an nRF8001 based application that will broadcast battery levels (pipes broadcast, set), and give out temperature data (pipe indicate - TX_ACK) to connected...
Hi,
I'm using redbearlab's nrf51822 board. It is a arduino compatible board and hence it is using 0,1 (mapped to 9 and 11 for nrf51822). How do I make printf print to this...
An external PA/LNA is used to extend range of nRF51822, and S110 is used for BLE, How to switch between PA and LNA? and how to disable PA/LNA when there isn't transceiving...
Hi...
Can anybody help me to run ble_peripheral example (ble_app_hrs for S130). I have build and load the code successfully but cant see the advertisement. But while debugging...
Hello,
I have read through all the posts I can find on this subject, but none has solved my problem.
- nRF5_SDK_15.1.0
- Example: Segger Embedded Studio Project: twi_master_with_twis_slave_pca10040...
I want to fully understand the use of RTOS in conjunction with the stack. As an example, I took an example ble_app_hrs_freertos (SDK v15.0).
Add a service, for example...
I need to count the pluse number use 51822, the frequency about this pluse is about 0.01Hz to 1Hz and is not fixed, I know use Time1 can achieve this funtion, but the problem...
I wriing softdevice ,aplication and bootloader by nrfprog tool.
But,the device works with the bootloader, not the application.
After writing, it is reset and flag is set...
Hi
I am using fatfs of nRF5_SDK_15.0.0_a53641a. Iam writing a program with keil.
I am trying to save data using SD card now.
By using fatfs example it was possible...
Hello all,
I wanna ask smth related to the use of the nRF52 as a HID keyboard (USB host).
I have already played around with the SDK example ble_app_hids_keyboard and tried...
Hi,
I'm developing a product with the NRF52832.
I have one Blue LED (APA2107LVBC) which is driven directly by a GPIO as shown below :
With a typical Vf of 2.65V, the...
Hi,
I'm trying to implement the following use case:
On the first button push a sensor advertise and bonds with a smartphone. I do it the following way and it works fine...
I tried to configure OTA in my application, but nrf toolbox stucks in "enabling dfu bootloader" and I can see "Starting DFU" showing up really fast, can it be a problem with...
Edit : I solved the problem. The problem was related to variable declaritions and pointer. None of the commands was not working except Write Register and Read Register. I...
Hello. For my application, I have written several functions related to sensor interrogation and work with some periphires of the controller nRF. I split these functions into...
Hi, I started development using a custom board with nRF52840 QIAACO. 1. The prototype uses Holyiot-18010 module ( listed on Nordic 3rd party modules). 2. I am using supply...
Hello. I am using the nRF51 Development Kit which is working well. I am using the examples\ble_peripheral\ble_app_uart sample project as it seems to have the features that...
Hi
I have an external board featuring an nRF52832 connected to the nRF52DK via the Debug Out port on the DK and a 6 pin connector on the external board. I can program the...