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 been having a lot of problems communicating with an Atmel SAM D09 as a slave, and an nrf51422 as a master.
I seem to have two problems, hopefully solving...
Hi all,
I design the kb based on the SDK6.1 and SD7.1 with 51822, and doing the PTS certification now, but meet some problem on TC_CON_BV_01_C, ATT Write error, such as...
the error messages show following:
compiling system_nrf52.c...
RTE\Device\nRF52832_xxAA\system_nrf52.c(92): error: #136: struct "" has no field "A0"
RF_TEMP->A0 = NRF_FICR...
Hi guys, I use old project try to build again in Keil when I installed nRF51_SDK_8.0.0. But I get the:
.\Objects\ble_knob_detection.axf:
Error: L6200E: Symbol
GPIOTE_IRQHandler...
Hi guys,
Has anyone encountered following warning message when using nRF51 SDK v8.1.0 or 9.0.0 and compiling project by GCC arm-none-eabi (I'm on V4.9 2015q2 which is the...
Hello,
I have a peripheral that manages several bonds to known centrals. Assume I want to pair with some fresh central, yet I need to do that within physical reach of another...
Hi, This is Venkatesh. This is my first question posting here. It is great pleasure to use this product. I have installed SDK of NRF52832. but I am not getting "boards" folder...
Hi..... This is Venkatesh. I am using nRF52-DK Evaluation kit. This is my first question posting here. It is pleasure to have an account to share my knowledge and get the...
Hello, I am using RedBear Lab Ble shield v2.0 having nRf8001, with Arduino Uno as peripheral and sending data to my mobile.
But now my application needs to receive data from...
Hello,
I would like to ask you guys whether it is possible that one Bluetooth master device (smartphone) can control and collect data from two Bluetooth slave device (some...
Hello all
I'm struggling with link errors, "undefined referencce atan2" as well as all math library.
I still dont know why it is occurred these errors.
I configured the...
Hi,
I'm trying to move my code from Red Bear BLE shield with Arduino to nRF51 dongle.
Is there any possible method?
(ex. share the same library or SDK helping)
I just read the S13x migration guide .. have some work to do :(. I'll have to read it a few more times to get my head around the bandwidth configuration but it looks super...
Hello, I started with NRF24L01 + Arduino and that works fine for me. Then I saw the nrf24LE1 and I thought that would be smaller and cheaper. I ordered the NRF24LE1 development...
