My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hello,
I use the arm-none-eabi-toolchain and have a problem when I am linking.
When I make my project, I get the next errors
path/to/spi_handler.c:180: undefined reference...
Hello,
I am trying to test the BLE example named "Current Time Application" located at ble_peripheral\ble_app_cts_c folder. But i can't find the cts_central.ncs file in...
hai
i am using mbed to program my nrf51822. in my project i need to store some data in flash memory . now i am able to store it using pstorage.h . but when i enable bonding...
I am developing a mobile apps using Nordic . I am seeking for Nordic Semiconductor nRF51822 SDK documentation for objective-c(iPhone) as well as Android too. Is there any...
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...