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,
we are using active voltage divider as battery readout circuit. It is controlled by MCU NRF52832 pin P0.09. Voltage from divider is read by integrated SAADC on pin P0...
Hello,
I'm working with the nRF52840 PDK and the SDK for Thread V0.11.0. The RTT Viewer shows that the program uses the Thread version OPENTHREAD/ga89eb88-dirty.
I try...
Hi,
I was trying to follow the guide to enable unit test of mesh SDK, but cannot get it through yet.
When I run the command
cmake -G Ninja -DBUILD_HOST=ON -DCMOCK_ROOT...
Hi,
I am using the nRF52 PCA10040 board. The memory settings are IROM1 - { start 0x1B000, Size 0x65000 }, IRAM1 - { Start 0x20004000, Size 0xC000 }. The board was working...
Hi，
my ble device mcu is 51822 with sdk11，when my ios app on frontend，it can search the ble advertising immediately，but when my app runs on background，it can't search the...
Hi,
I did some benchmark on internal flash access and found it takes more than 2 seconds for the device to write 16kB data. I timed by "nrf_fstorage_is_busy". Is this normal...
Hello,
I am using the sd_ble_getts_value_set() function two times in a row on two different characteristics. Both characteristics are part of the same service.
At the...
Hello,
I am really new to using the Nordic nRF51822 and I'm having problems making SPI work with the S110 SoftDevice. I was able to combine the sample codes spi_master_example...
I am using a nRF52840 PDK and trying to config 8 buttons.
(1) GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS to 8 (sdk_config.h)
(2) Add buttons define (pca10056.h)
Button...
I've been trying to run some of the examples provided with the SDK's. Blinky is the only one I've gotten to work for sure. I think I haven't set up the linker scripts properly...
I am looking at using two Nrf52840 on Custom PCBs to create a wireless link from my product to a PC one 840 would be the host and would be wired to the PC using USB (HID,MSC...
I know this has been asked a few times, but I am having a hell of a time receiving a ACK packet from my nrf24l01+ receiver (PRX). I am able to successfully send packets from...
Hi,
I just spend a day trying to get the nrf_sniffer tool working.
The
devzone.nordicsemi.com/.../
contained some very useful info but unfortunately it seems i am...
