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 guys
I had to integrate a CLI module into a project I'm working on, that is running FreeRTOS
after quite a lot of work, I managed to get this working, but seeing...
HI,
I am using nrf52832 dk. I have a sensor that gives a negative voltage. I want to measure the value using saadc.
and can I use differential mode saadc for negative...
Hello All,
I am working on the N51822 custom board.
Using segger IDE, SDK 12.3
Previously i have worked on the sdk 14.3 on the n52810 board. It is working properly...
Hello
I am using pin 1.15 of nrf52840 dongle with transistor with enable pin of another chip. The other chip is a wifi chip which I only want to switch on whenever I have...
Hi All
I am using nRF9160 DK version 0.8.5, and I have gone through this link, downloaded and Installed all the steps, given there. All seems to be running good.
But some...
Hi I am using the custom_bluetooth_service tutorial from https://github.com/bjornspockeli/custom_ble_service_example with SDK v15 and nrf52840 DK.
I am now trying to use...
Win10 + Segger embedded studio
I can get the pca10059 blinky example to work. ( C:\nRF5_SDK_15.3.0_59ac345\examples\peripheral\blinky )
I use the NRF connect Programmer...
We are trying to receive high speed data using UART. Currently our source is set to transmit an 8 byte packet once every second.
I have initialised the serial port in IRQ...
Is there a public bug-tracker available (even better: publicly hosted repository)? I'm currently trying to wrap the SDK in way suitable for our internal processes (CMake,...
Hi,
i'm using "cycling speed and cadence" on DK to make a test run. However, my bicycle-watch(base on ANT) doesn't receive any "ANT signal".
Searching in the devzone,...
On the picture channel 2 connected to reset button on PDK.
UART channel drops to GND 4ms after button pressed.
How to prevent this?
Tried this: https://devzone.nordicsemi...
Hello,
at 3.3V the current consumption of my development kit is about 21.5 µA.
Due to the law of energy conservation, I would expect the current at 1.8V to be a little...
Hi,
i'm not getting any signal with a fresh DK and the latest modem driver.
entering AT+COPS=? will make it unresponsive forever. (nordic LTE Link monitor times...
I am combining several of the examples along with my own code. Specifically, I'm taking the Event Manager sample and combining it with some custom UART code and modified GPS...
