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 have my project up and running using the "nrf51-micro-esb" project. I can successfully set my device to PRX mode and have it receive payloads just fine. Similarly...
Hi,
I have an issue about power consumption with a board nrf52 10040. The consumption should be 100µA but is 500µA. I found an errata about that in ' infocenter.nordicsemi...
We're using nRF52 to read two sensors data: one is an ADC chip using SPI; the other is a PPG sensor using I2C. MCU sampling rate is 250Hz, meaning every 4ms, MCU will poll...
Hi all!
I'm a beginner developer.
I start my work with nrf51822, download examples e.t.c
Now I try to download my code in real PCB with external 16MHz crystal.
Code worked...
-----------------------------EDIT--------------------------------------
I've changed topic name, because not buffer overwrite is the problem.
I need some mechanism for...
I am working on a project for college in which I need to build my own PCB. The code works fine on the Dev Kit but on the PCB, the bluetooth is not showing. I have tried looking...
Hello,
I am using nRF UART v2.0 android app and I have added my custom logic above it. I am using this phone as the central device and nrf52 with sdk 12 as the peripheral...
hi
i am using two dongles.one would be sending sensor data from gpio to other through ble.i need a example code for those two.could you please tell me which example i can...
Due to limited budget, I have to use STLINK/V2 to flash code into nRF51822. I have been through steps of how to setup OpenOCD/STLINK/V2/nRF51822 in Ubuntu. After mass erase...
Hi. I'm using nRF52832, SDK13, S132v4.0.2.
I'm making peripheral device using nRF52832.
And I can see it gets BLE_GATTS_EVT_WRITE event as below when central sends WRITE...
I'm having a difficult time getting my project to link to the nrf_serial module
._build\nrf52832_xxaa.axf: Error: L6218E: Undefined symbol nrf_serial_read (referred...
Hi
From my understanding of the softdevice API, the maximum packet length is set using sd_ble_opt_set(BLE_GAP_OPT_EXT_LEN, &opt) , but the actual change to the packet length...
Hello,
I would like to build a sensor array that communicate with one master in a star topology.
I have played with the Gazelle protocol example ( gzll_ack_payload examples...
Hi,
I am working on a project where I have 4 advertising beacons which will have to trigger some functions in the central side when it gets the advertising data.
Now I...
Hi Nordic,
During DFU tests i had weird issue. If i compileed bootloader using your makefile everything works fine, instead of compiling with Eclipse IDE.
With Eclipse i...