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 all,
i want to add a cts service to my project.
i started with ble_cts example of sdk 11.0, but it's not clear what is the correct procedure to do it.
I add the service...
I tried to add a dfu service to the SDK 11.0.0 ble_rscs_app by following the procedure here . I was able to successfully compile and run the application, and when Master Control...
Hi all !
I'm trying to evaluate the throughput i can have between a Motorola 4G and the nrf51. The nRF51 is the peripheral and the phone is acting as a central.
To do...
Hi all
We use the nRF51822 with the S130 V1.0.0 in the peripheral role and a Galaxy S5 in the central role. As soon as the S5 connects to the nRF, we send a connection...
Hello,
I have been working on a customised Nordic Board ,and I can't be able to do a DFU. The DFU App_dfu_dualbank doesn't display the DFUTarg Bluetooth profile on the board...
Yo man,
I use nRF52 with ADC fun in SDK11 and I want select ADC input to internal VCC.
I modify like below:
static nrf_drv_adc_channel_t m_channel_config = NRF_DRV_ADC_DEFAULT_CHANNEL...
Does the Bluetooth Peer Address of NRF51 Chips change randomly [every 15mins] or does it remain same?
When implementing whitelisting for secured connection, it is required...
Hi, I am unable to build this example in Keil Uvision5. I am getting following error:
"no source": Error: #5: cannot open source input file "......\main.c": No such file...
Hi,
I am trying to setup a testing environment using nrf51-ble-driver_win_0.5.0.
All of my job are:
Download nrf51-ble-driver_win_0.5.0, and program connectivity_115k2_with_s130_1...
Recently updated to SDK11 + s130 v2.0.1 on an nRF51822 xxAC LFCLKSRC=RC
BLE Advertising no longer works. Localized it to our use of TIMER2 for an implementation of systick...
Hi,
Im trying to connect MCP25625 via SPI on nrf52. I checked with the scope that CS, MOSI and SCK are correct, but I get no reply on MISO line whatsoever.
I perform a...
Every time I want to connect to Nordic ble device from my Phone, it ask for pairing confirmation and then it create bond. That's how it should be.
But if the device is...
I'm using nfr52 with softdevice s132.
I want quickly perform flash write during power loss.
When I realize write using fs_store() I obtain time more than 5 msec.
How can...
Just do
NRF_POWER->SYSTEMOFF = 1;
in main()
and found if it's boot by powerup
the current is 10.4uA~10.5uA
and if a re-flash the hex, the current is 1.4~1.5uA
...
