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.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
I've got a strange problem with updating my Magnet-Characteristic.
I use a service with 4 characteristics (Gyro, Acc, Mag and Temp Values) and update them on a timer base...
Hello,
Two issues want to ask, after tried the BLE_NUS example code.
From other posts, still does not exist clear solution (example, pictures) ?
Sure has an application...
Hello,
I am working with the uart module. While configuring the uart I encounter 2 issues.
First when in the uart_init function the pin for uart output is configured...
Hi,
I am using nrf51822(128k), SD 6.0, SDK 5.2.
I found that nrf uart v2.0 app will add a "0x0A" at the end of data that I want to send.
How can I remove this?
Thank...
Hi all,
I have a few questions:
How is that ADC's common mode rejection capabilities? Rejection for 60 Hz interference, etc...
The datasheet has "typical...
I've never used Gnu's GCC before, but after 20 hours of trying and failing to install it on my macbook, I'm finding a shining hatred. I've downloaded their exhaustive list...
I migrated to nrf52 and countering some problems.
I am trying to sample 4 pins every 2ms with SAADC.
I started with Example here .
I simply changed
uint32_t ticks...
I've got a gyro I want to read some data from, but I don't know the values and can't verify if they got read correctly. When does nrf_drv_spi_transfer start to read?
i...
Hi, i;m trying to build the "nrf52-ble-app-lbs" example which i downloaded from git hub github.com/NordicSemiconducto....
I followed the instructions in the README file...
I'm thinking about changing ADC resolution during operation.
What I want to do is:
start
・Operate in 8bit ADC(normal time)
↓
・Operate in 10bit ADC(particular...
I want to use NRF51 DK to sample 2 analog signal continuously (300Hz) and send it to a smartphone using BLE.
I need advice on
Which nrf example to use to code my DK...
I've run out of space in my attribute table. No problem, I'll just make it bigger with ble_enable_params.gatts_enable_params.attr_tab_size .
The easiest way to do this...
Hello,
I am trying to implement a clean shutdown process, but running into some issues. The flow of the SPI use is as listed here:
Initialize SPI instance and...
