Hello,
I'm using the nrf51422 with 210 softdevice.
I'm trying to figure out a way for the receiving slave device to go to sleep when away from the master, but to wake...
To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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,
When I try to stop ADC sampling, the adc driver keeps on busy. The function nrf_drv_saadc_is_busy() keeps returning true.
I looked in other posts (like this one )...
Hi,
I'm new in Bluetooth an I want to try a "simple Project". I've connected 3 Peripherals (all nRF52832 Chips) with 1 Central (also a nRF52832 Chip) together.
With the...
Hi everyone, In the Power Management example, why the HFCLK still running when the uC is in sleep mode ? I see it in the HFCLK_STAT => State = 1 Shouldn't it be disable to...
Hello,
I have been using nRF development boards for a while, but recently I am currently unable to program my nRF52 development board, due to driver issues. The following...
I am trying to make TWI calls from an APP_TIMER event. However the TWI calls are failing. I can see that the twi message is sent on an oscilloscope, but the function never...
Hi,
I got the same error as the guy in this question: https://devzone.nordicsemi.com/f/nordic-q-a/26041/compiling-error-for-nrf51-development-dongle
I use another example...
Hi, I would like to use a nRF52 demo board, to test nRF BLE with a HX711 and screen. The nRF module is powered 3.3V but the HX711 and the screen are 5V powered. Is the bus...
Hello,
I am in the process of evaluating the '840's BLE and CryptoCell for a low power application. I am using a modified version of the ble_app_template example, with custom...
Hi guys,
I have custom MAC address that saved in the flash. I used the sd_ble_gap_address_set function to change the Mac address to my custom address.. I found out in phone...
Hello,
Is there any option in nrfjprog to force a Segger's JLink to power the target? I am able to turn the power-out feature on using JLinkExe buy I don't whether nrfjprog...
I refer to nRF52810 product specification v1.1 In all reference designs, C6 is N.C.
I would like to know why this is the case?
I would also like to know why it is included...
Hello,
I am using nRF52832 DK for my project which is to receive data from arduino and send it to a smartphone using BLE. My issue is that i make nRF52832 to enter Bootloader...
I have nRF52832 as my development kit. Currently I am testing various ble peripherals i.e Blinky , beacon etc. Now I have to test IR sensor with the Development kit .I aim...
Hello,
I used a the ble_app_template example to set up advertisements on the PCA10040 board and on our custom board. Both boards function and have good signal strength....
I build ADC example from SDK12.3.0 for nRF51822 QFAA chip from source. I used custom board and changed the pin configuration for UART logging in sdk_config.h file.
But unfortunately...