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,
We have Nordic custom board. flashing simple c program to custom board is done fine.
cant able to get expected result. so we tried for step by step debugging. but...
Hi,
Is it possible to use button press(button on slave) as an authentication key to establish the connection. Since our device does not have an display or keyboard, we are...
Hello,
I've modified some of the gazelle sample code and I've been testing the throughput. I am basically using all the default settings and I'm seeing throughput of 43Kbps...
I try to ACK payload mode by nRF24L01+,but not work well. show me a typical config register setting.
My target is transmit 10bytes and ACK payload 5bytes, as soon as possible...
Hi,
This error happend when I tried to install nRF51 SDK(nrf51_sdk_v4_3_0_27417.msi). The step is that. First of all I installed keil-MDK4.72 and than I installed JlinkARM4...
Hi,
I want to know how to do the OTA,so I refer to the device_firmware_updates project in SDK.Now I can use the command
line to program the bootloader.hex to 51822...
Hi, when I plugged in the PCA10000 USB adaptor the software said it had to update it. It ran through the whole process and then said it was restarting. That was it... it is...
Hi all,
I heard that S120 can work as the master for BLE some months ago.So When will the S120 be released?Could you have something that I can know the S120 share with...
Hi,
we are interested about the nRF51822 BTLE chip. We already wrote a BTLE stack (slave side only) for another chip (icytrx) and we would like to port it for this chip...
In my design, I have a SPI flash connected to the NRF51822. Additionally, the NRF51822 is connected to a separate microprocessor that needs to be able to access the SPI flash...
Hi,
I am trying to program the sample application given in sdk_nrf519_addon_v0.2.0-1.beta.zip file, and following the instructions in the readme.txt. However, when I try...
Hi, I'm just starting to learn my ways around the nRF5182 SDK, my goal is to implement a device with HID profile using this device. The device must work with Windows 7 (until...
I would like to profile some code execution time (moving between floating point and fixed point arithmetic). On the last Cortex-M3 I used, we had the DWT_CYCCNT register at...
