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 all
i am working on Student Response System in which there multiple Transmitter and one Receiver and i want Receiver(nRF24lu1p) to behave as HID device.
Can any one provide...
I just buy a set of nRFgo starter kit . One pin of the display module (nRF6350) was destoryed, and the correspoding hole of P6 in the motherboard was inserted with short pin...
Hi,
I have some questions about how BLE scanning works that haven't been answered clearly anywhere I can find, (except no-doubt the Bluetooth Spec/Tome):
What...
You can not build out " the arm c c + + compiler has stopped working " in Keil uVision5.
PC of lenovo made in (Windows7 environment ) ,
By introducing development environment...
Hello everyone,
thx in advance for answers.
there is limitation written for 6.0.0 as follows:
Synthesized low frequency clock source is not tested or intended for use...
Hi everyone,
Is there any information about the (approx.) amount of erase/write cycles the nRF51 flash memory can handle?
I'm using the NVMC to store large buffers that...
hi:
when use the gzll for host, the power consumption is large, about 12mA , but the device mode just 38uA. I find in host mode the main loop always be awakened even if there...
Hello,
I am using nrf51822 for couple of my projects and most of the time doing OTA device firmware update using development dongle connected to my Macbook Pro and running...
Hello!
I'm trying to make timers run in my application on NRF51822, with Keil RTX-RTOS.
RTX-RTOS seems to be correctly configured in my project: tasks run without any...
Hi I have some questions regardning the crystals needed for the NRF51822 chip.
I know that I can remove the 32kHz external clock and use the internal clock.
But can I...
Hi, Thank you for your kindly help.
I have get the result from the register RSSISAMPLE. The result I get from RSSISAMPLE is like this:0x00000050. As you known, the result...
SWI*_IRQ is using by softdevice to send event to application, I want to know which priority does softdevice set for them?
Does sd_nvic_critical_region_enter() disable...
I'm looking to use the nRF51822 as an iBeacon transmitter for iOS, reading the docs it appears that I need to know the proximityUUID of the sensor that I can set the OS to...
