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! I've never worked with bluetooth before. I am using a Blend micro arduino-based board to send to the computer some different values (for instance an array of 10 float...
Hi,
I have a question related to GATT Services in BLE, so not strictly a nrf51 question although it's related to one of the examples. The example for the (Human) Thermometer...
I have a BLE wearable (Pebble watch) that I wish to detect using the nrf51822 evaluation kit. I can use the Control Panel to see the pebble. I would like to be able to us...
When I put the ESB lib into my BLE Soft Device the MDK tell me that it have some error in it.
What's wrong in my project? if I need ESB+BLE what should I do?(NRF51822+SDK6...
So I installed the Master Control panel software, plugged in the PCA10000, whereupon I was advised to update the firmware in the PCA10000. The firmware update apparently failed...
Hi,
I am trying to get the s130 example to work on my PCA10028 board nRF51.
First I had to change the starting adresse from 0x1C000 to 0x1D000.
I guess that this is due...
There are only the last version nRF51822 Product Specification V3.1 on the web. However, I need a V2.0 PS. So, where can I download the nRF51822 PS V2.0?
Hi,
I wrote a very simple program which compare the analog reference input 0 (P0.00) with AIN0 (P0.26) and generate an interrupt on cross using Low Power comparator on...
Could you update the ble-app-lbs example for SDK 7.1.0?
github.com/.../nrf51-ble-app-lbs
I haven’t been able to get it work.
Since the led_char_add() uses these setters...
Is there a limit to the number of characteristics per (custom) service?
After some testing, it looks like 20 is the maximum (21 causes the device to stop functioning) ...
Hi All,
I am an electronics engineer but new to nRF51822 programming. I have used the PCA10000 & PCA10001 using Nordic SDK, using nRF Studio etc. In nRF Studio, you can...
I'm using SD110, and in my application I have an array of 64, 32-bit integers.
Typically, the client will only need to read 1 of the 64 values, or write to one of the 64...
I'm just getting started with the nRF51-DK, and I'm still confused about which SD I need to load, and which roles I need to support aka GAP and GATT.
My end application...
