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...
Hi!
I've been using PCA10028 for a long time and I had some bricking issues but I've managed to un-brick it with "nrfjprog --recover" and everything would work again. ...
I want to build nrftoolbox app in android studio. I downloaded the zip file from the github website and also the required dfu library. I unzipped both the files in a folder...
Hello,
I am using a nRF52832 DK(PCA10040). I am qurious about the output impedance at RF connector "J1" on the PC board. Does it provide 50 ohm output impedance so we can...
Just two questions regarding the new nRF52840 to make sure I've understand it correctly;
For the NFC, this is passive only? So it acts like a tag and is not able...
I've been trying to for two days. Using nrf52DK, SDK12, no SD, Keil5.
All I want is to get printf() to work over ITM/SW/Debug, I'd even accept RTT if I had to. I can't...
Hey I am trying to create a blinky project from scratch on
System: MAC OSX
Eclipse Neon
GCC 4.9
I am trying have it eclipse managed make.
I am at a point when after...
Hi, I was wondering If I need to wait for a response from the server that a command was executed before executing another command or if the BLE stack takes care of this under...
Hello
i m searching for a method to send a big buffer with TWI to a slave. The Buffer is read from flash. because its a soundfile its needed to send the buffer without delay...
I am trying to set up a nrF52 -> Rpi v3 -> Exosite through CoAp as in the nrF5 iot sdk. The nrF52 to rpi works as I am able to ping the nrF52 through its global link address...
Hi,
I am writing a code base on the reference manual of nRF51422. In section 29, UART, I don't understand the differences between TASKS, EVENTS and REGISTERS. Aren't they...
Hello!
I'm trying to use the ram_retention in sdk 15 alpha to retain RAM in system off mode and do some power profiling.
The default code seems to retain 8 kB of RAM...
My project needs to use 2 different TWI instances and 1 SPI instance. I knew that it is not possible to use three instances at the same time in nRF52.
To implement 2 TWI...
Hi Nordic,
I am trying to enable the DC/DC converter on a PCA20006 rev 1.3.0.
I am using the softDevice S130.
1. Using the sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE...
Hi.
I am using saadc example code or SDK V13 with the following requirements:
Voltage input up to 70mV,
Resolution: 50uV
So I did some modification to support...
Hello,
yesterday I got a Thingy:52 device at an event held in Frankfurt/Germany. At home I've tested the DFU for the latest firmware and observed that the image was transfered...