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...
Could you rub my nose in Bluetooth SIG Core or just explain what does chip do when switching to very noisy channel? For example Wi-Fi working very close to our device.
Hello:
I have read the documentation but I cannot determine if INPTR and OUTPTR can be set to the same memory address? I will try it to see what happens but it would be...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi,
Everyone,
I found out on that ble_app_power_profiling application is developed for Lower power current consumption....as It keeps system in the system_off_mode until...
Hi,
I am trying to measure and minimize current consumption .....
Following previous question on this forum,I found way to measure current on NRF51 DK by cutting SB9....
Hello Everyone..
i am new to nrf52 and this community.
i am using nrf52 and android master control pannel.
in my code i define my custom uuid base to ..
//430Cxxxx...
Hi, I'm looking for an easy way to use the UART in blocking mode (or something similiar) with a receive buffer that is filled in background:
If possible using EasyDMA...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
Hi everybody
I am making a custom board which using ANCS (nrf51 sdk 9.0.0, softdevice 110 ver8.0.0). I saw on the original code have button_led_init() function to initiate...
hello,
I've encountered a problem with our own nrf51822 circuit not advertising.
Our circuit is exactly the same as what is given as the reference circuitry on the datasheet...
It's the first time i'm using the spi to connect various slaves, so is there any example how to communicate a raspberry with 2 or more nRF24L01 on the same bus?
Thanks in...
Today I have recieved the new nRF52 Development kit PCA10040. I did a update for the nRFgo Studio to version 1.21.2.3.
The softdevice s132_nrf52_2.0.0 will be flashed without...
OS: Windows 10
Target: nRF51-DK
Tried to connect with nrf51-dk with Keil MDK-Lite v5.18a.
The default Jlink version used along with this IDE was v4.98e
the 'download...
Hello all,
I'm looking at the example projects and ble_app_template in particular, and have noticed something that doesn't seem to make sense...
In main(), this project...
