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,
I am trying to use the BLE v4.2 extended data length on the NRF51822 but the S130 doesn't seem to support it. Please can anyone let me know if it is supported with...
Hi,
I am trying to measure (and reduce) the current consumption of my board. I am using nrf52832 (64K RAM) for my development. The RAM layout is as follows: RAM (rwx) : ORIGIN...
Hello,
Is there any way to mitigate delay of redirecting interrupts from softdevice to application? Using nRF51 with S130 there is ~2us delay even with SoftDevice disabled...
Hello!
I have nRF52 DK and 1 custom designed nrf52832 PCB.
Is it possible to use the one of the nRF52 DK as the BLE dongle and run the ble_app_uart example code on my...
I am developing code to nrf52 and i'm using a sdcard with the adafruit MicroSD card breakout board.
When the sd card has no partitions I'm using the fdisk function (from...
Hi Hi, I am new and I am playing with
nRF5_SDK_12.2.0_f012efa examples in Keil
for some reason I need to use hex file. The files which is generate from those examples...
Hi. I have two codebases here:
A peripheral application on an nRF51822 using SDK 12.2.0, SD 130. It has a vendor-specific service with a characteristic that is write...
Hi,
I am having problem in installing Softwares and drivers required for NRF52.
Please kindly tell me step by step instructions of what software is needed to be install...
I am in the process of getting some nRF52832 based proto units and plan to use the nRF52 DK to load the code and maybe do some external debugging. I will be using P19 (debug...
Hi,
I'm new to embedded development and am trying to interface a 24-bit MEMS microphone (Invensense ICS-43432) using I2S with nRF52 Dev board (PCA10040, V 0.9.0, 2015.39...
Hi,
Basically i want my nRF52 DK should be able to transmit data to connected android device and also be able to receive data from android,data is kind of logs.
hi,
I would like to do some code profiling and measure execution time.
What is a lowest possible resolution for the counter is possible to achieve and how?
I am currently...
Hello,
I am using Bluetooth device "NRF51822_xxAC_s110". My Bluetooth is not advertising when i dump the HEX file to the Bluetooth device which is generated by the Keil Version...
