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 am using nrf51822 with SDK 12 and i am not able to find where All BAUDRATE Macro is defined for APP_UART.
so anyone can tell about that in which file it is...
I looked at examples and added identical code to my own app, specifically to a) set the gatt_enable_params.att_mtu to GATT_MTU_SIZE_DEFAULT, and b) to handle BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST...
Hi,
Is there an extensive documentation about programming process of a nrf52832 using keil?
I just spent hours figuring out that I had to use Softdevice erase flash algorithm...
I just followed "Testing the example manually (without bonding)" steps to manually update firmware by Master Control Panel.
But every time, I got log message, "SERVER:...
I am implementing mqtt client on Nrf52832 with the example provided in the IoT SDK. I am looking for the correct way to make the client to run with Non-Nordic socket stack...
I've just finished my first layout for nRF51822, and I need a help with the attenna design.
The RF part of the schematic and layout is a copy of your reference design, "PCA10004...
Hi
I'm using BLE400 board (from waveshare) which have a nrf51822 chip on it. When I want to program the softdevice with nrfgo I encounter the following error:
link text...
Hi, I got a problem.
I created a timer, interval is 30ms.
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(150, UNIT_10_MS) /**< Minimum acceptable connection interval (0.02...
Hey Guys,
I am trying to create a workflow for creating new project from scratch in eclipse, traditional way with nRF5 sdk provided make file is not scalable and it really...
We are using a MMA8452Q accelerometer connected to an nRF51822 via TWI using the twi_hw_master. Reading the WHO AM I register is the first attempt to get the TWI running but...
Hi,
let's say I program flash with SD, Booloader and merged App1&Ap2 images. I need to switch application (only once, after some self tests) using some command from application...
I am having an odd problem.
nRF52
softdevice S132 V2.0.0
I have a bootloader and application. when I program them directly to the device they both work fine and can...
I need to get three ADC data from acceleration sensor with nrf51822. I tested getting a ADC data using simple_adc_pca10028(Keil_v5/ARM/Pack/NordicSemiconductor/nRF_Examples...
Hello
We are about to move an old design based on the NRF51 to the more powerfull NRF52.
In this context we would like to use some of the new API’s that has been introduced...
