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...
Just got the RF51822 PCA 1001 dev board and followed the instructions in SDK 4.4.1 and downloaded the Keil Lite tools from the ARM website.
BUT, didn't realize Keil has...
Hi,
how do I evoke Gazelle on NRF51422? According to specs NRF51422 supports both ANT and Gazelle although on SDK for 51422 the gzll folder is missing. It is present though...
Hi ,
I am using PCA10001 board.
Now i want create 4k buffer in RAM. Which is good way allocate memory to 4k buffer.
Can i use dynamic(malloc function) or static memory...
Assuming the system is composed of one device using nRF51822 and iPhone/PC,
If we want nRF51822 detectable by iPhone/PC so that iPhone/PC can connect nRF51822 when they want...
Hi!
I have been using Bluetooth 2.0 modules for years and now I want to take the step to 4.0/BLE. Previously I used Free2move modules with built in stack. Very simple, make...
I have the nRF51822 development kit (with the new hardware revision QFAA or something), and I am using the Master Control Panel with the new 0.9 firmware for the dongle. ...
Hi in my case,
i pressed gpio button for one time it will do one event.
and for double press it will do another event . how can i do this one,
Regards
Balaji
Hi
In my case i have both 3 gpio interrupts and 4 rtc1 interrupts and have some timer 0 and 1 interrupts
also. how to set priority for all these interrupts in both while...
Hi Guys,
I am planning on using the nrf24l01+ to send data with a payload which is larger than 32 bytes, I was wondering whats the fastest way to transmit these packets...
Hi,
In the nrf51822 SDK examples, there is an example of radio_example which is used for send data and read data. I want to konw that if one module send data and then...
Hello - I am trying to port code over from a development kit over to the WLCSP nRF51822 on a custom PCB.
I am able to connect/bond with my device fine, however I am having...
Hi,
we're using an nRF8001.
Trying to find the relevant Bluetooth Specifications, we found the following mess (pardon my french!):
Core Specification 4.0, 2300 pages...
Due to limited resources we are looking for someone who can help us with making a custom profile.
You are preferably in the Stockholm area and have done this before.
The...