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,
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...
Hello,
I am struggling to solve 2 problems ,
1st :
I have 4 AAA cells (2 in series each ) to make a good power source !
The Problem :
I have to measure the battery...
Hello,
In the past few months I have tried to develop with the nRF52810 with Keil and SDK5 (15.3.0). The biggest problem I am having is that many example projects have errors...
Hi,
When evaluated under the following conditions, there was a temperature dependence (See the following Results ).
How mach temperature dependence of TX power?
Does...
I have looked at some other NRF_ERROR_BUSY questions and the answers seem to be very dependent upon the situation and not necessarily 'busy' in the usual context of busy....
I am using SDK 16, SoftDevice S140 V7.0.1 for nrf52840.
I am using the following settings,
and in scan_init()
Up till here the m_scan has the name saved to be filtered...
Hi, I'm trying to get nRF Connect 3.2.0 running (connecting to a nRF52 DK with a PCA10040) and keep getting a 'CouldNotLoadDLL' when starting the BLE app. I'm using Ubuntu...
Dear All,
I am trying to learn how to program via Embedded Studio by using the smaple code in ble_app_blinky_pca10056e_S112 file.
When I open the file via Embedded Studio...
I'm trying to make a "simple" change to the asset_tracker project so that it will send the reporting data to my own server instead of the nRF cloud. However, I am unable to...
Theranica current solution already has a printed MIFA antenna and an impedance matching circuit that they have tested and is working very well.
they would like to keep using...
Hello,
One of the devices I have could not connect to AWS cloud. While checking if the credentials exist, I got the following error :
NRF_KEY_MGMT_CRED_TYPE_CA_CHAIN err...
Hi.
I'm trying to use nrf52832 twis as twi slave.
nrf52 DK(pca10040) is TWI slave (data receiver) arduino uno is TWI master (data transfer)
My code. (examples/peripheral...
Hello,
When I include in my code (Arduino IDE) sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE) on E-Byte 52840 module (E73-2G4M08S1C) power consumption increases to 30mA instead...
