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,
at the moment I try to add some more services to my BLE device. This goes wrong with err_code = 12 (NRF_ERROR_DATA_SIZE). With some search in the devZone I found...
I have the nrf51822EK and trying to make it report the speed/cadence of a bike. So far the design is to report the speed every 1 second as a BLTE peripheral device automatically...
Hi,
the ANT protocol defines the channel message rate in a range from 0.5Hz to above 200Hz, with the upper limit dependant on the specific implementation.
What are the...
I found a strange phenomenon with sdk 8.1.
If I use arm gcc compiler to compile code containing pstorage operation, functions like pstorage_clear will not return though...
Heads up for anyone using the IoT SDK (currently 0.8.0). This SDK has the TinyDTLS-0.8.1 embedded in it... and I believe that there is a bug in the TinyDTLS CCM functions...
Hi All:
I was wondering if it is possible to program this chip through UART->FTDI FT232?
Has anyone done this? I am looking for the cleanest solution for programming...
So I've added a DFU into the flash, now how do I actually access it from my application?
As far as I understand an example project ble_app_hrs in s110_with_dfu configuration...
Setup: Central app using serialized s120 (2.0.0) with connectivity app.
The connection interval is set to 10 ms.
Connect to a peripheral
From some sniffer data...
A new library/toolkit has been built that allows us to invoke the services of an nRF24L01 from a Java environment. Documentation and links to the Github project can be found...
Hello,
I am using SDK 7.2 with SD110 7.3.0 and I am having a security issue when an attacker is able to steal the BD address of a previously bonded device.
The security...
I'm running BLE and Gazell host concurrently using the timeslot API. I also have 2 Gazell peripherals transmitting all the time. Everything works just fine when I run Gazell...
Hi,
I am sending data from Android phone in every 200 ms to nRF8001. But sometimes I found there is a 50 ms or 100 ms delay. It looks like nRF8001 spending some time in...
Hi,
I tried the nrf51_iot_sdk_0.8.0_f1f6187 and flashed the coap example (examples\iot\coap\ipv6\client\boards\pca10028\armgcc) with the s1xx-iot-prototype2_softdevice...
Hi,
In many places in the nRF51 documentation (e.g. developer.nordicsemi.com/.../a00081.html) the term "Master Control Panel" is used without clarification that this is...
