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...
Greetings,
During a connection between two nrf51422s running on S120 (2.1.0) and S110 (8.0.0) with a connection interval of 7.5 ms I get only a maximum RSSI of -42 dBm...
Hello,
I developed a firmware on nrf51422 with nrf51. I use a development board PCA10028.
With this firmware I control the directly the radio registers (Soft Device is...
I have a nRF51822-EK evaluation kit (so, PCA10001) and am trying to get DFU working with an S120 SoftDevice as per the answer posted here:
devzone.nordicsemi.com/.../ ...
nRF51822
I'm interested in setting up the the POFCON to enable me to get a
POFWARN interrupt when the battery voltage drops below 2.7V.
The softdevice is enabled at...
I have a nRF51422 dongle, and I want to know the power/current when an UART event happens.
I've read nRF51822_Development_Kit_User_Guide_v1.4 p.29 for Current Measurements...
Hello,
I am experiencing some CC register issue in Timer of nRF51822. I am trying to setup TIMER1 for 16 seconds. But I see, that when I try to write to CC registers, the...
The "Intermediate Temperature" characteristic is not coded in the ble_hts.c file.
How could I do to implement this characteristic and maintain the compliance with Nordic...
Hello,
I want to rewritte SEGGER_RTT_vprintf to use sprintf Inside (because it's already linked in my application and allow float display).
The problem is that i don...
Hi
We use the nRF51822 with s110 active. As long the s100 isn't active, we can debug, set breakpoints, stop, continue like it should work.
When activating the s110 and...
Hello,
The question is about CUSTOMER area in UICR. After locking chip wirh UICR.RBPCONF.PALL I noticed that I still able to read UICR.CUSTOMER data.
Could I enable readback...
Hi all,
Google launch uWeave Library project.
uWeave is an implementation of the Weave protocol intended for use on microcontroller based devices.First demo project is using...
Hi,
As first stage of planning our next generation of wireless sensors at my workplace, I must carefully consider which radio protocol suits us best. We don't need sub 1...
HI,
Hi,
I have been working on nRF5 Development Kit where Basic configuration is working i.e. blinky program and when I load peripheral program(PWM,UART), its also working...
