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 have a problem when I try to use cheaper Android phones to communicate with our 52832 chip.
I can discover the peripheral and then connect, but when I device...
Hi,
I flashed softdevice and ble_app_UART_c code. But after searching bt device, i could not find bt nrf52 device in mobile.
Do i need to something more..
hi,
i am using nrf52840. with sdk 14.1. i am trying to broadcast my dk as beacon. with your neccessary examples. i have created my own services and started advertising. when...
I want to transfer data using UART to BLE by Baud Rate 460800 up to(using nRF52832).
I need to send a file, its size is 100MBytes
However, the use of examples(14.0vesion...
I would like to establish a BLE unencrypted link to send text messages. I have nRF52480, nRF51 USB dongle, and a mobile phone. I run Ubuntu 14.04 and Win10. It is not clear...
Is it possible to program the Atmel SAM D20E chip (based on an ARM-M0 cortex processor) externally using the P19 debug out header on the nRF51-DK?
Thanks.
I am trying to understand the Passkey LESC pairing on S140 soft device using the latest SDK 14.0.2.
The message sequence charts has a block "App starts DHKey calculation...
Hi developer, sorry to interrupt and ask. How to use an ultrasonic sensor with nRF52? Since I search a code for nRF52 are not exist and see ultrasonic sensor can connect with...
I modified TWI_SENSOR_PCA10040 example from 14.10 SDK to run on my NRF52832 device, and it reads from the device address perfectly. However when I wrap reading inside a FreeRTOS...
Hello ,
What is the preferable way to flash code into NRF52832 IC during mass production? Flashing the code into custom IC with NRF52-DK in time consuming process.
And...
Hi,
All of a sudden (isn't it always the case :) the JLink debugger fails to flash the app code to the dev kit (PCA100028)
The Project's softdevice is flashing well without...
I have configured 3 differential ADC channels
to sample with timer/PPI/DMA buffer.
When I turned everything off, I couldn't get below
20uA current (with only LFCLK running...
2017-12-07 22_28_04-D__Users_Eyal_myWorkspaces_KeilMDK_ble_peripheral_ble_app_hrs_rtx_pca10028_s130_.png
Hi,
I've developed a BLE Central app based on the SDK HRS collector...
Hello,
I am using NRF52 TWI master to read data from my sensor, I have read the twi_sensor example but it doesn't make use of nrf_drv_twi_xfer() .
My question is quite...
Dear nordic employee
1、when I use the spim to send 1 byte address to read it's value(4 bytes)，like this：
nrf_drv_spi_ transfer(&spi,headerBuffer,(uint8_t)headerLength...
