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...
hai
i want to store a struct contains two elements . can i store it in flash using pstorage....?
if so how can i do that.........?
or
can i store a two dimensional...
I want at s132 use RT-Thread RTOS,but I see arm_startup_nrf52.s file defined Stack_Size and Heap_Size 8K, can define Heap_Size = 0? reduce the Stack_Size (such as 4K)?
so...
Hi,
I want to know that what is the different between RS232 and TTL.
I want to know that can we two RS232 to TTL converters back to back in the wire ??
Hi,
I'm using nRF52832 Software Development Kit, PCA10040, S132.
In nRFgo Studio, I erased all my SDK.
In nRFConnect, I selected serial port which SDK connected.
And...
hello there i am using nordic SDK 10. spi_master.rar (/attachment/5a7f162df5ffa9d40019ed2553d99f1d)
i am getting some compiler error. i have uploaded text file. can anyone...
I am able to run nRF5_SDK_12.2.0/examples/peripheral/blinky using the armgcc toolchain without any issues but any example with a soft device enabled (e.g. nRF5_SDK_12.2.0...
Hi. I'm using nRF51822, SDK12.2.0, S130 v2.0.1.
I'm trying to make a peripheral device using nRF51822.
Is it possible to define multiple Characteristic Properties? ...
Hi,
My code was working perfectly until yesterday, where the function "ble_nus_string_send" on my main loop started returning NRF_ERROR_INVALID_STATE because "p_nus->is_notification_enabled...
Hi,
I have found that the sdk13.0 is support 20 current connections , I test it by using example /SDK13.0/example/ble_central/ble_app_multilink_central , I change the central...
Greetings Nords,
total noob here,
I've got two preview nRF52840 devices (as well as the two normal nRF52 devices),
I want my two preview devices to be able to ping each...
Hi,
I am using nRF52 and SDK13 with SoftDevice 132 v 4.0.2 which is now supporting multi-peripheral connections.
I am using multi-peripheral example for reference. In...
How to make BLE examples working. for nRF52DK series (BLE_app_template)?
Hi, I tried for around a week. and I will describe what I did, and what I have found first.
I...