It is good practice to prefix the includes from one's C libraries with a directory so that they are all part of the same 'include namespace'. Unfortunately the Nordic SDK...
Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...
I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
I was looking at this PA/LNA example: here . I noticed something I'm not sure about, so I was hoping someone could shed some light on this.
In the diagram shown in the...
I've been working on a project, which requires data transmitted through ble to cell phone app. The user could acquire the data from the sensor when he sends a specific string...
Hi
We use the NRF51 in a mesh sensor network. We noticed in a trailer suited for cold chain transport (double metal walls with thermal isolation between) that the radio...
Hi,
I have problem with ble_nus_c.c in SDK v11...
Normal operation is:
Connecting to target 57E19A190FDF
Connected to target
[DB]: Starting discovery of service...
When I used the demo of ble_app_hrs_rscs_relay,I cannot write the bonding information to the flash.
I connect to the board by my phone.I cannot find the information about...
what I am basically trying to do is only allow a single bond and any new bonds disallowed until the user selects and option to allow a new bond and then and only then delete...
If I have 10 slaves and one master in a bluetooth low energy network, and the connection interval for all 10 slaves are set to 7.5ms, how would the master manage this?
...
I intend to use RC oscillator instead of external crystal oscillator .
I modified code :
from
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);
to
SOFTDEVICE_HANDLER_INIT...
Hi,
I want to identify different kinds of center in a device product. So I have 2 questiones:
1) Can a center (running S120) set its own name?
2) Can a device (running...
HI,ALL
There are such statement in the CORE SPEC 4.2
"
If the Link Layer connection supervision timer reaches 6 * connInterval before
the connection is established...
Hello, i develop with nrf51 recently. There are a lot of examples that helps me, some of them i repeated, now i can make a lot of interested things. I also read this forum...
Hi,
I am programming the NRF51-DK on mbed compiler. I have compiled some code below for using an analog to digital converter. I was able to print a voltage measurement...
HI,
I am facing some serious issue in 51822. It consumes more power than 51422 on a same custom board. I am using same software for both with s130. Surprisingly the 51422...
