I'm running into a weird timing issue with a nRF24L01+ which I'm not quite sure how to work around in the general case. The basic setup is two radios, A and B. Auto acknowledgement...
I am using mbed library to get leg up on development.
This is the first time I am writing any MCU application and it sure makes things a lot easier.
I am using nRF51822...
I've recently began experimenting with the HID service and connecting to iOS devices in order to achieve lower connection intervals with Apple products (as described in their...
Hi
I have a question about using gazell link layer and paring library with concurrent timeslot api. I try to do this but i have the hard fault handler after invoked nrf_gzll_init...
HI,
I want to use PWM to control various hardware (LED's, etc ..) so I started off from the suggested PWM code example, found in this forum + modified it as I want to use...
hello,
the function ble_stack_init () in the example of ble_app_uart are quite different from that in the example of ble_app_proximity in my first sight.
ble_app_uart :...
Hi,
For providing OTA function , I add dfu service into my own application APP1. and create another application App2 to copy the new firmware(named APP3) and cover the flash...
Please help me !
(spi_maseter_config.h at line 29)
#define SPI_PSELMOSI0 20u /**< SPI Master Out Slave In GPIO pin number. */
nRF51822 QFAA Package pin no.20 = P0.14...
I'd like to use 'Direct Advertising' to get the attention of a Central (a specific one or any in range) when an event happens on the peripheral. Is this mode supported by...
Hi,
I hooked up an nRF8001 (Olimex) to my logic analyzer and am observing the behaviour of the RDYn pin.
After resetting the nRF8001 through the RESET pin, the RDYn...
Hi All,
Just got my NRF51822 development board today and cannot get the heart rate demo from SDK to work. Two issues:
1> The PCA1004 board (the one without antenna)...
Dear Sir, We are intending to develop wireless UART- BLE module for our wearable product (Cable replacement profile). Please, help me to get to know about UUID and cable replacement...
Is sd_ble_uuid_vs_add available over the serialzation interface? How can we add a custom vendor ID over the interface if there isn't a serialzation function for it here ?
Hello,
I have made some current and timing measurements on the nRF51822 Development Kit (connected to a nRFgo Starter Kit) running some of the example applications provided...
I would like to drive an LED from the nrf51822 gpio
How much current can the nrf51822.
How much current can the nrf51822 gpio supply?
Is there a recommended LED for...
Hi. I am using a nRF8002 DK, and i am working with nRFgo Studio for 64 bits, in a windows 7 and windows 8 computers (for testing of the error purposes). I am having serious...
How to set READ property to a characteristic pipe through nRFGO studio.Actually i am not able to set READ property to any pipe.How can i do this?
Because i want iPhone...
Hi:
I use TIMER compare function, I open four channels and every channel produce interrupter.Here are some of my code:
NRF_TIMER1->TASKS_CLEAR = 1;
NRF_TIMER1->CC...
Hi. I've never asked a question here, and I'm a complete beginner to embedded programming, so I apologize if I break protocol in anything I do on here.
My setup:
nrfgo...
HI,all!
I have a question about downloading program into nrf51822 MCU.
That is:
As you konw, using the nRFgoStdio to download the code, you have to download the softdevice...
