Hi,
We've been seeing an intermittent connectivity issue in Yosemite in discovering BLE services, namely scanForPeripheralsWithServices does not return anything. The same...
Hi there is a problem in github.com/.../nrf51-UART-examples
any one can help?
I put empty loop in main, and comment off all ble related int. and I process uart_evt by...
Hi,everybody！
When i install master control panel 3.10.0.14, i can't find nrf.exe in " C:\Program Files\Nordic Semiconductor\Master Control Panel\3.10.0.14\nrf ". Only nrfutil...
Hi,
I've been using the nRF51 dev kit, and today it stopped mounting when I plug it in. It doesn't show up as MBED or BOOTLOADER.
I use both Mac OS X and Windows, though...
SDK_9.0.0
I was trying to implement 2 different UART connection parameters so I decide to use re-initialization.
My initial parameters included APP_UART_FLOW_CONTROL_LOW_POWER...
I'm trying to use the nrf8001 (and arduino) to send MIDI (musical note data) to Mac OSX. According to the Apple developer site the midi profile requires that the characteristic...
I have a custom made board that has an EFM32WG360F256 communicating to an nRF8001, verified that the ACI protocol works with repeated echos, however when I run the efm_ble_my_project_template...
In nRF51 SDK 7.1.0, there is a c header file using c++ keywords operator .
Here is a snippet of components/ble/ble_racp/ble_racp.h using the keywords.
/**@brief Record...
Hi all, I m new to Bluetooth Low Energy. I have to develop an indoor positioning project based on Bluetooth Low Energy 4.0 in which i have to locate person's current position...
My ble device try to notify a data to my android mobilephone after phone connect it,but sometimes,phone can't receive the data and error 8 occur .this happend frequently when...
Hi,
pstorage_raw_store() API fails as p_src address is not 4 byte aligned (i.e. 0x20002b1a), as p_src is RAM address and also as its "SOURCE" address is it necessary to...
Hey Folks
I wonder to design my own simple circuit based on NRF51422, the circuit should connect to a mobile app. By the way I'm I wonder to follow these steps:
visulaised...
Hi all,
I have one question about the deep sleep wakeup process in NRF24LE1. I want to realize the function that "when I press the button, it will cause rise edge on the...
Hi,
I'm testing doing a soft device update (v7.0 to v7.1) over DFU, but I consistently get OP_CODE_SYS_RESET sent to my device after 4 packets(80 bytes), at which point the...
Just want to know how acknowledged message works.
ANT document says there is no retry logic for acknowledged message.
According to ANT protocol, acknowledged message should...
Hi all!
I've been trying to OTA firmware using iOS nRF Toolbox App. I'm able to read.hex files in the App, although, after trying to send the file to the device the format...
I have a "heartbeat" LED which flashes for 10mS every 2 seconds. I was doing this with one of the HW timers and a PPI channel, but I have discovered that just having the HW...
How would I go about changing the connection event packet length?
I have an 8 byte characteristic setup with notifications enabled, but it still looks like it is transmitting...
Hi,
I have the following code with SD110 7.1.0:
static void uart_init(void) // device inter-communication
{
// Configure RX and TX pins.
nrf_gpio_pin_set(0);
nrf_gpio_cfg_output...
Hello,
I am building a sample protocol using nRF51822 DK. I am using S130 soft device. I have a few BLE nodes communicating with each other. The nRF51 DK acts as these nodes...
Is the nRF51822 pin-for-pin compatible with nRF51422?
I can't find any distributor stock of nRF51822-QFAC.
I see the eval kit has nRF51422. I don't need ANT functionality;...
