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...
Hello,
I am using PCA10040 and sdk12.2.2. I am trying to load ble_app_template code. But when I try to flash my code in pca10040 I am getting error as "No Jlink Device found...
I have a nRF51-DK and SDK8+Keil5.
I also have a module that sadly uses an old revision 1 nrf51822. It is connected via SWD to my nRF51-DK.
I could programm it with keil...
Hi,
What is the use of Tacq and the sampling rate in ADCCON2 (pg 169-170 in nRF24LE1 Product Specification 1.6)?
They seem independent of the sample resolution. What...
I have a requirement that in BLE Beacon Packets, I want to send the time stamp information with in Beacon packets . My questions are : 1. Is it possible to include time stamp...
Hi All ,
I am designing a project and having some doubts here.
Basically project is about tracking actual work hours of Laborers in the construction site.
I have already...
We are designing a product that allows multiple users to connect their phones to the same peripheral device. I wanted to check it out with this example:
infocenter.nordicsemi...
can somebody tell me where to find these error codes?
error = app_twi_perform(&m_app_twi, als31300_read_sensor_transfer, 2, NULL);
APP_ERROR_CHECK(error);
perform is returning...
Hello
I am trying to implement Device Information Service using the sample code "ble_app_bps_s110_pca10028" in nRF51SDK 7.2.0.
But I couldn't get any change when I edit...
Hello,
I'm using the openthread border router (wpantund) along with another end device running the simple_coap_server example that exposes a "light" resource.
I have connectivity...
The "Bluetooth Low Energy Characteristics" tutorial, a beginner's tutorial,
devzone.nordicsemi.com/.../ , uses a version 11 of SoftDevice. But I need a it in version 12...
Hello!
I use the NRF51228 board like this PICTURE
The ICs revision QFAAH0.
I use Keil-uVision 5.17 and ST-Link V2 from STM32F4 Discovery board to load firmware HEX as...
