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...
I use nRF51822 Model in my project that I need to run bluetooth advertising all time. And when I measured current, I found 1mA that is not enough to run for 1 year by just...
Hi,
My project include two MCU with n51822 and STM32. I expect upgrading STM32 application firmware by n51822 DFU function. Do you give your advice to implement it by modifying...
Hi All,
I am struggling getting my N548 module to transmit any ANT+ ...
I have tried the Cycling Power Sample Application (S310)
And the Cadense / Speed (S210) Sample...
Hello,
Is there any delay between when the reset pin is driven low and the actual reset of the chip. Would it be possible to sense the reset pin and perform some quick...
I am designing an nrf52 based device running at 1.8V. To debug the device I was planning to use debug out option of the nrf52 preview DK. However, I just find that, the debug...
I'm trying to follow the code from one of your examples, specifically ble_beacon in SDK 8.0 and eventually I get to a point where I'm not sure what's going on so I figured...
Hello,
I have question. I using examples with nRF51-ble-peripheral-bond-handling with bls_service (PCA10028) and i have problem with unnecessary connection. I want that my...
I'm referring this blog on getting started with nRF51822 and in this same blog, there is a link to a video by Nordic on Introduction to Bluetooth Smart and after watching...
I have two STM8s105 MCUs and two NRF24L01+ modules. Set one as transmitter:
CONFIG: 0x3A
EN_AA: 0x00
EN_RXADDR: 0x03
SETUP_AW: 0x03
SETUP_RETR: 0x00
RF_CH: 0x00...
Hi
I used the boot loader example successfully on the nrf51DK board.
Now I want to use it on my custom board. So I recompiled the boot loader code, with 1 difference:...
I don’t fully understand the nRF51 event NRF_RADIO->END. NRF_RADIO->END identifies the completion of a packet transmission or reception. My question is what triggers NRF_RADIO...
We have a project that involves both battery-powered 'slave' devices and a mains-powered 'master' device (which needs to support multiple slaves and support WiFi). We are...
Hi,
imagine that I have a proprietary characteristic that allows only READ operation (from a smartphone for example) that expose an internal value in my application.
I...
Hi,
I'm using nrf51822 and SDK 6.1.
devzone.nordicsemi.com/.../
I learned how to store data with using pstorage library.
but I can't register block more than 1024...
