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...
Hi,
I have designed a custom PCB using NRF52832 IC.I have followed Sparkfun NRF52832 breakout board for placement of NRF52832 IC core part(including antenna) which is similar...
Hi,
I am using nRF52832 with NUS and buttonless DFU running well next to each other (SDK13). Instead of the standard way to jump to the bootloader (writing a 0x01 to the...
We have a device running SDK 11, without a crystal. It was using:
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_RC, \
.rc_ctiv = 16,
.rc_temp_ctiv = 2}
...
Background:
In a previous posting I had asked if anyone knew of BLE connection parameter guidelines for Windows 10.
The general response was, yeah ios has BLE connection...
Hi all,
I have a use case where I have about 40 buttons that can be pressed anytime. I need know when these buttons are pressed on multiple receivers devices. So every...
Hi ,
I would like to know about Bluetooth 5 compatibility with smart phones having Bluetooth 4.x
The observation is-
a)the android application scanning for BLE device...
Hi,
I'm trying to setup 3 server and 1 client.
Currently, I encountered a problem that a successful provisioning to 3 servers happened only when the power of client is...
I tried importing the Keil 5 SDK 13 project from github.com/.../nRF5-ble-timesync-demo into Segger.
I followed all the directions from devzone.nordicsemi.com/.../ However...
Hi,I have trouble when I try my nRF51822 board with example program of hrs. I use nRF Master Control in my phone to connect with my board.scanning is ok.But when it try to...
Hi guys,
I'm investigating on a problem we found in our system. It seems not related to our custom pcb or firmware, you can replicate it with the following setup.
Setup...
I will need to store some data (and edit it again later) and fetch it later in the nrf51dk even after turning it off and back on.
How can I store such persistent data in...
Some situations like heavy ble activity causes the nrf52832 to restart without hitting breakpoints in the NVIC_SystemReset.
Assuming there aren't any hardware issues, is...
Can I use J-Link EDU for nRF52840-PDK , nRF Connect , please?
Is it sufficient?
What the J-Link PRO provides for nRF52840-PDK, nRF Connect that the J-Link EDU does not?
