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...
image description (/attachment/6196b4481c3f6fefbd0784b78d9163c9)
Hello.
I development education robot by ENTRY base.
PC(ENTRY base) + NRF51822 central
and
NRF51822...
How to develop nrf31512, is it same to the nrf24le1? why i use the same firmware download to the Nrf24le1, it can run normally, but download to the nrf31512 , it can't work...
Hi All,
In my application I have two analog inputs coming from two different sources that I have to sample using one SAADC present inside NRF52. As far as I know, NRF52...
Hi,
I'm using nRF5 SDK V12.0, I found a strange problem. That is the UART can send data to PC, but it cann't receive data from PC. However, this problem just arise on some...
Hi,
I need a bit of help to fully understand how ADC works on nRF52832.
I am using a Thermistor sensor like the following to measure temperature:
Epoxy Thermistor...
We would like to use the PPK for automating some of our tests. Is there any documentation on how to drive the PPK over RTT? If push really comes to shove, we can always read...
BLE UART This is a problem that I have discovered while checking
the cause of the connection frequently due to communication error.
It is normal... In the nRF52832,...
Hi,
I added following code in saadc example code to set GPIO pin high/low and monitor it in the terminal. The pull up looks ok, but when I set it to low, the reading never...
We created our own PCB for the NRF52 with a Johanson chip antenna but no matter what we do, we can't get a signal from the Antenna, not even a weak one to show up on the spectrum...
Hello,
I duplicated the project example "nrf51-micro-esb-master" under "proprietary_rf" and got it up and running. I now need to incorporate some timer functionality.
...
Hi. I'm using nRF51822AC, SDK12.2.0, S130 v2.0.1 as central.
As I've tested by using
err_code = sd_ble_gap_address_get(p_addr);
APP_ERROR_CHECK(err_code);
App returns...
hi
i am using nrf51822. i used the radio tranceiver example and it works well. I am planning to advertise the received packets so that the range can also be increased and...
Hi all --
I have a tricky layout "issue" where unfortunately, I've ended up connecting my I2C device to the BlueTooth module on the side of the module where my VDD isn...
