Currently we are considering whether we should use external Flash Memory or NRF52 Internal Flash.
External Flash memory has a lot of drawback in comparsion with internal...
Suppose there are 10 BLE peripherals in a room and one BLE Central,then is there any way i can get the list of available peripherals[name or id.. etc]?
I am using NRF5182...
I am using SDK_11 s130 on nrf51-dk. When err_code is any value other than NRF_SUCCESS, APP_ERROR_CHECK(err_code) will cause nRF51-dk board to reset. How can one get APP_ERROR_CHECK...
Hello All,
I have problem with ble_app_uart which are not support DFU services.
When I am implement both services device will not advertise. and when ble_nus uninitialized...
[symptom]
I want to update my application/bootloader/softdevice by DFU.
Steps are shown below.
bootloder/softdevice update
if 1 step is done, application update...
Dear Developer Zone,
I am new to ANT and am looking for someone to help me to setup an example 15 channel (14 devices) ANT network using the S332 soft-device to test communication...
Hello,
i am working with the Enhanced ShockBurst proprietary protocol and i am wondering where I can find the sources of this protocol, so that I can do some changes. ...
I found this website.
link text
curve is shown below.
There are app_utils.h information below.
@brief Function for converting the input voltage (in milli...
Hi, this is kind of a basic question.
So please forgive me if this is too easy...
This picture is from nRF51822_PS_3.1.pdf.
Also these pictures is from the...
I am trying to use a differential antenna with the NRF51422 and I do not want to misunderstand the datasheet. It says that the optimum differential impedance at 2.4 GHz seen...
If, how can I change the order of the descriptor? I would like to have the user_desc at first.
Most likely by changing their UUID but how to do that? I can't find any trace...
Hi every body,
i try to use 10 bit ADC resolution instead of 8 bit in the ble_uard_adc example, the problem is the ble_nus_send_string is configure to 8 bit, how can i...
Before I order the NRF51-DK I want to make sure, is it possible use it to program other nrf51822 modules? Can I use the Segger on board for flashing firmwares on other modules...
Hello,
Let me first try to describe my whole project I just started with today (Hardware just arrived).
I want to use the nRF51-DK as a central device to handle 4 peripherals...
I have these nrf51822 modules, bought them from this company Wireless Tag , it's a chinese company I guess but I just noticed that the modules only have a single 16 MHZ oscillator...
I using github code.
SDK is 7.0.1
SD : S110 7.1.0
Channel : 4 ch
Period : 20ms
Width : 1-2ms ( RC )
Sometimes the width operates at 18-19ms.
ex : PWM2 was...
I'm working with the ble_app_hrs_s110_with_dfu_pca10028 (nRF51 PCA10028) example and am wondering what will happen if I attempt to send more than one sample at a time. Will...
It looks like APP_TIMER_INIT changed in v8 of the SDK. I do NOT want to run the code for timer callbacks in the IRQ, I want to run in the background loop. How should I properly...
Hello,
Our application board uses two NRF24L01P and two microcontrollers, so we have total four quartz generators on board. To simplify things we would like to use a single...
I have a project which measures temperature and humidity. After measurement the data should be send trough BLE.
I have one service for the sensor and two characteristics...
Hello,
what do I need to pay attention to calculate the consumption of nrf51822 in low power mode (sleep).
I make this simple program :
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