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...
I connected up +5v to the external power pins of the nRF52dk. I see +5 at TP14.
When I set the power switch to 'on', the board does not boot.
Is there something else...
Hi:
Looking in both SDK12/13 I cannot see any examples related to an HID Joystick/Gamepad.
It looks like somebody asked a similar question here: devzone.nordicsemi.com...
I am using nrf51822(pca10028)
i used the timeslot API tutorial in devzone..and it worked fine but i want to integrate the radio receiver example along with this.
nrf_radio_signal_callback_return_param_t...
Hi
In the SDK13 release notes and even in a few posts in the DevZone the new S140 5.0.0 Alpha2 Release is mentioned. I looked for the download link in the product page...
Hi all
I'm using the GATT server on the nRF51822 with the SoftDevice S130 V2.0.1. I've implemented a service and a characteristic which supports only write requests (including...
Here is my question.
I always disable uart after I send data.
NRF_UART0->TASKS_STOPTX = 1;
NRF_UART0->ENABLE = UART_ENABLE_ENABLE_Disabled;
this was write in the...
Is there a compiler/makefile flag that allows for 64bit printing?
I have included inttypes.h, and tried both %llu and "PRI64" as shown:
char scrbuf[30];
uint64_t time_alive...
Hi
We are using NRF52 and SDK 11 and S132.
The nrf52 acts as a central and selectively connects to the closest phones (ios) that are acting as a pheripheral.
For this...
hello,
nordic's engineers, need your help.
(1) the first problem : can not set VDD output to 3.3V
From nRF52840_Product_Specification_v0.5, it says:
High voltage mode...
Hi all! I am attempting to download a file from a web server to an NRF52832 using the Nordic IoT SDK version 9.0. Are there any good reference librarie? I found a few for...
Hi. I'm using nRF51822, SDK12.2.0, S130 v2.0.1.
I'm using nRF chip as Multi-connection Central and 1 Peripheral as well.
My event function is
static void on_ble_evt...
I've tried everything I can find on this topic and I still cannot get P0.09 to behave as a GPIO pin. Does it have something to do with the way I'm attempting to initialize...
Hello,
I am working on a custom PCB with a nRF52832 and I've been unable to get the ON IDLE power under 480uA. Here are the basics regarding the setup
nRF52832 Rev...
Hello! I'd like to know if S132 v3 implements the frequency hopping scheme defined by BLE.
I've read some documentation on Gazell, but from what I understood, that is a...
