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 to everybody.
I've buy a nrf51822 module with a motherboard.
i struggling to programming an uart over bluetooth example but i think something missing.
With nrfgo...
We configured nrf24LE1 as PRX and nrf52 as PTX and the packet sent out every seconds.
The nrf24LE1 will only received the packets every twice packet sent out and both packet...
I tried to use difference Data Rate for testing the transmit distance. Don't know why using the 250k bit is worse than using the 2M bit & 1M bit. The distance will decrease...
I am debugging a small program for the nRF52, which uses the App Timer and communicates over UART. I am trying to keep up with bug fixes, and so I'm using SDK 11.0.
The...
We have an application that requires a fairly quick disconnect (under 250msec) when the RSSI exceeds a threshold, for example -80db. Unfortunately, around 1 out of every 4...
I am trying to program a nrf51822 module using the nrf51-dk.I have made connections as per the nrf51-dk user guide, but sme is not working...
I am using the Vdd of the...
Hello all,
In a network of sensors with power constraints in a room which protocol is the best?
Newer devices seem to use BLE but I don't want to discard good old nrf24l01...
HI, I try to turn on the OLED.
I can not confirm that the lights turned on
I want to change background color.
What should I do?
Currently being output as shown...
I have installed Keil v5.18a
and have installed MDK for nRF51-DK.
Examining the basic LED blink examples showed that in some projects, the 'bsp.h' which would be the header...
I just setup Eclipse and trying to compile.. I was getting warnings.. I think I have installed all the relevant packages.. But still getting following warnings. Am I missing...
Hello! Developer,
Does anyone know how to transfer and store the value as big endian on memory address on nRF51 and send it over BLE to display value on MCP as big endian...
Hello!
I'm trying to get the 16 bit ADC value as 2 of 8 bit array from nRF51 development kit over bluetooth to MCP, but when it displays on the MCP the value is "swap"...
Is it a good idea to use nRF51 standalone as an Application Processor and also as BLE connectivity chip?
OR
Is it a good practice to use a separate Application Processor...
I have a question on - to me - seemingly weird behavior about copying data out of the event from the soft device.
Situation: I have a 32 bit integer characteristic which...
