Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
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 everyone,
I successfully compiled and loaded the experimental_ble_app_uart onto my pca10028 board.
I downloaded and installed the nRF toolbox on my nexus 7 tablet....
Hello everybody,
I want to do something very simple: Read some data from my Bluetooth peripheral. I know the UUID of the data I want to read, but I do not know the handle...
Hmm... this should be a simple question. But I haven't found a direct answer yet in the online SDK docs, the ARM NVIC docs, nor in this forum (and have only been confused...
Hi All,
I have a following setup :
The peripheral BLE device is supposed to send **(time critical )**data packets to Central device but the transfer is very rare (Can...
Hi,
I have modified slightly the OTA bootloader sample in SDK6.1 and SoftDevice 7.1.0. After flashing the bootloader code to the nrf51822 it works like charm, I can update...
when i use BLE_GAP_ADV_TYPE_ADV_DIRECT_IND mode,I can see the device advertise (MCP) but i couldn't able to connect with it (advertising_start at BLE_GAP_EVT_TIMEOUT)
i...
Hi,
I'm a beginner with bluetooth.
I'm actually working with nrf 51822 Evaluation board.
I want to realize a transparent mode of communication with your kit. Can you...
I never worked with Cortex M0 before so I wonder how it's possible to jump to correct IRQ handler when I have my own bootloader and application which are using e.g. UART IRQ...
Hi.
Where i can find some information and guidelines to do a good RF PCB with nrf51822?
thank you for your support
EDIT 02/02/2015
Where i can find " nRF51822 Reference...
Hi, I'm using my custom board with NordicSemi nRF51822-QFAA and J-Link.
(Softdevice S110 7.1, SDK 7.2, and using IAR for ARM 7.1)
I was testing the NUS example using...
Hi,
The examples provided seem to indicate that the NRF51822 needs to be attached to an application processor / CPU (e.g. - Raspberry Pi). How much resources (CPU cycles...
hardware:pca1001
software:s120 v2.0.0 sdk 6.1.0
i will get rssi value by connected by s120.so i update the s120 to v2.0.0. but when the app run, an error occur.[APPL...
Hello,
I am using the Sd130 (v0.9 alpha-1) and do experience a reboot with NRF_ERROR_INVALID_STATE.
I start advertising, then use another device to connect to it. After...
Hello,
where do the SD130 limitations come from. Is it the Bluetooth standard that limits a device to 3 connections as a master and one connection as a slave or is it a...
