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...
Hi ,
I have designed a beacon using nrf51422 nordic chip. But when I checked the antenna frequency , i came to know that its above 2.45 Ghz. I tried by the changing the...
Hello:
I open nrf51-ble-tutorial-service-master\SDK 11.0.0\nrf5-ble-tutorial-service\pca10040\s132\arm5_no_packs\nrf52-ble-tutorial-service.uvprojx and compike then find...
hello:
I open nrf51-ble-tutorial-service-master\SDK 11.0.0\nrf5-ble-tutorial-service\pca10040\s132\arm5_no_packs\ nrf52-ble-tutorial-service.uvprojx, and compile ,the result...
Hello,
I am developing custom driver for TWIM. I am facing a problem with DNACK and ANACK which hangs my application. SCL and SDA lines are monitored through Saleale logic...
hello,
again, sorry for the begginers qustion(probablly i will have 2-3(hopefully) in the next few days). I got today the nrf52-dk, and on the back of the nrf52 is written...
I ask the questition yesterday ,maybe i have not expressed clearly.In my project , I have to use three spi in master mode and three twi in master mode to communicate with...
Hi!
In my teamwork we are developing an application for use a sensor module via spi, and share data and comunicate with other devices via Bluetooth.
I've taken care...
Dears,
We are working for a dongle solution to exchange data.
Have any BLE SDK solution via Uart to exchange data between host & client? and that the host is no need...
Hi,
I am using nRF51822xxaa and s130 and SDK 10.0. nRF51 connects with the app(notifications enabled), then bonds with it. Subsequent communications between the app and the...
I connected with RTT Viewer 5.12f with nrf51 DK board.
while I donwload firmware to the board, I got bunch of error message from RTT viewer..and it stop..sometime the download...
I am having two issues with the following code:
When I run this sample code on my NRF52DK (there's external hardware connceted but that does not affect this operation...
Hello, everyone~
I used to see nRF51802 in an official document but cannot find it in the official website. Is there an nRF51802? If so, what are the differences between...
Hello Everyone,
Can anyone give me recommendation of a BLE App for Eddystone TLM (with temperature)?
Till now, I used the Beacon Manager. But I think the App has a problem...
The gpio specifications table lists 3mA for VDD greater than 1.7V and 6mA for voltages greater than 2.7V but what about in between?
Would a linear approximation between...
Hello,
I am trying to fix the UART communication error in a peripheral side.
First of all, the setup that I am using is as below.
[SDK] nRF5_SDK_11.0.0_89a8197
...
