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
my customer want to add DFU funcation to their APP(ios and android),i give them nrf toolbox source code ,i hope they can separate DFU funcation from that source code...
In my application I have to advertise and scan, I know these two actions are multiplexed and there are no problems when there is no BLE connection (I use s130, sdk 9.0.0)...
Hi all,
I'm developing little project on nrf51 dongle(pca10031). After few succeses now I have big failure which stops my work.
How my environment looks like: Ubuntu...
I built the GCC bootloader from source based on the suggestion of another user in this forum instead of using a precompiled hex file. The Softdevice is 7.1.
It shows DfuTarg...
I have a min connection interval of 200ms and max of 250ms. I have set slave latency to 10. These parameters are set both on peripheral and on central. Still, after connecting...
Hi! I am working on a project that uses the Multilink example. On the client (nRF51422 w. SD 120) my program crashes and starts the main loop again after a few seconds. I...
Hi,
I'm developing a device that will be powered by two AAA alkaline batteries.
Since the operating voltage of nRF51822 is 1.8 to 3.6V I was considering to connect them...
Hi,
the example ble_app_uart_s132 from the SDK 0.9.2 is not longer working with the new release of S132 ( s132_nrf52_2.0.0-7.alpha). I had to go back to s132_nrf52_1.0...
My setups are:
RBL BLE Nano
nRF51_SDK_9.0.0_2e23562
Keil uVision V4.74.0.22 or gcc-arm-none-eabi-4_8-2014q2-20140609-win32
My design is to advertise a manufacturer...
I'm using nRF51422 with SDK 9.0.0 and S310 ver 3.0.0.
First, I program softdevice and dual bank bootloader by nRFgoStudio. After that it is possible to program my application...
Hi all,
first of all thank you for such a great knowledge base and community exchange.
I am pretty new in the development for nrf51822 devices.
I managed to run the...
The comment above app_button_init says, in part:
* @note Normally initialization should be done using the APP_BUTTON_INIT() macro
This macro is also mentioned in the...
I'm using the s130 SoftDevice on the nRF51 dongle and writing a PC app in python. How can I declare an int8_t in python for use in the sd_ble_gap_rssi_get function? The function...
Hello there, I am already guessing that by the question alone it seems like what i'm asking is silly or wrong but I have no formal education here so I will need some help...
Hey guys,
I'm building a remote control (similar to TV remote) and I'm using nRF51. I am trying to figure out optimal connection parameters so the battery would last as...
