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...
Dear
I need to make a BLE start network with bidirectional communication with up to 50 peripheral devices
And central and perapherals will be communicating with computer...
Hi,
I am having one nRF51822 to act as central and two nRF51822 to act as peripherals. I want the central to connect to both the peripherals and communicate with them. Is...
hello iam using nrf52832 and just started working is there any spp profile available for the same where i can send and receive the data btwn my smartphone and device wirelessly...
We are close to the manufacturing stage of our device and our beacons(based on nrf51 beacon reference design).
We are "virtually pairing" beacons with our device by entering...
I am currently working on a project that uses an nrf52832, SDK V11, and the S332 soft device. I am in the process of migrating to SDK 12.2.0. With the release of SDK 13, I...
Hi,
IOS example code
How to import CorePlot correctly in Xcode?
I always get this error message:
~/IOS-nRF-Toolbox-master/nRF
Toolbox/HRS/NORHRMViewController...
I am trying to use optiboot-ble with the nRF8001 and an atmega328p to allow application update over bluetooth. I have successfully compiled the bootloader and flashed it to...
Data sheets
Where is the data sheet for the
NRF51822 SoC located?
I am also looking for the ARM
Cortex-M0 data sheet, where is
this located?
I need to find...
When I try to program an example with nRF go Studio from the new SDK12 or SDK13(fresh download) I get the following error:
It does not show up if I don't program the...
Hi nordic guys,
I used the ble_app_hids_mouse demo to build my generic hid device(no mouse and keyboard) project.Now i modified the hids_init() function according my hid...
Hi !
I work for about a year with a nRF52832 custom board without problem and recently I add a bootloader (with success) on the firmware.
Now I can't connect through...
My application is based on ble_uart_app. I want to integrate the DTM so that the nRF51 will be in RF test mode when it receive command from UART. However, I found that the...
Hi all,
We're going to implement floating point agorithms on the new chip which has a FPU (cortex M4F). with the 64MHz system clock, how many flops can we have? I could not...
Hello.
I use nRF52 & mpu9250.
I want to use dmp.
But now it's not going well.
Now, there is no error,but fifo_count doesn't change after fifo_count became 512.
I...
Hi,
sometimes not always, the function peer_id_is_allocated return false and this causes an ASSERT of device, because a NRF_ERROR_INVALID_PARAM is returned by pdb_write_buf_get...
