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 all , when I run and debug my code , I frequently encounter error :
I think it's related RAM configuration on KeilC .
Please show me what is error ? And how to solve...
Hi there,
So I'm going through that complicated step of setting up the IDE for the first time to get started programming and I'm having issues doing it with the SES and...
hi everyone ,I want to ask you a question, I use the SDK12.3, when the device from the application transformation to the bootloader, when DFU is failed, why the deice is stays...
I am using nRF51822 (PTR5518A) with SDK v12 and s130 softdevice. To dump the code I am using nRF52 DK segger (PCA10036). With that I am able to dump the code but there is...
Hello ,I hope the speed of NUS can be achieved 7K Byte/s. The data form phone to uart is ok,but the data form uart to phone is not.I tested the Bluetooth part separately.Loop...
Hi,
I am able to connect nrf51822 with nordic app but now i want to receive data from nrf51822. For Example -
If nrf51822 detects some voltage at pin no "1" then it should...
Are there any Segger Embedded Studio examples for the nRF51 dev kit?
All the examples supplied with the nRF5_SDK_14.1.0 seem to be for the nRF52.
I only bought a new dev...
How do you do
E: \ Nordic \ nRF5_SDK_12 _f012efa 2.0-3 d \ examples \ peripheral \ pwm_driver pwm_driver routines of the path,
1.How to configure reverse polarity...
In all the SDK examples all the source is in main.c. Is there a good reason for keeping everything including timer initialization, UART config, BLE setup, etc all in one file...
Hi,
I am using nrf51822 (pca10004) with SDK110 softdevice programmed through j-link LITE SEGGER. After programming the custom code (Basic I2C code) and when we try to debug...
Is there any documentation as to how to connect a nrf52 chip (as found on the nRF52832 BT Module with Header Pins ( www.analoglamb.com/.../) or the nrf51 on the Adafruit bleFriend...
Hello,this is Lee.I have a problem about nRF51822.
When I turn on/off the power 2.8V to it ,it hangs up
frequently.I check POR function,I found that the residual
voltage...
hi,
i'm using the 32KHZ external crystal and i didn't find any free space in my PCB to put the crystal in the same side with the nrf chip, so the only solution that i found...
I am trying to implement a bootloader with rewrite protection on nrf52840 with SDK: 14.0.0.
But it seems that there is no flash write protection registers in nrf52840.
So...
UPDATE: Corrected language.
Hi,
While experimenting with BLE mesh networking using S130 on nRF51 devices and S132 on nRF52 devices, we have a problem with deafness while...
