hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
It was mentioned before that the compiler_abstraction.h file for gcc produces this error sequence when -std=c99 is selected:
In file included from /prj/arm/nrf51-sdk/components...
Hi everyone,
I have a nrf51-dk. I am running Master Control Panel app on my win7 computer. However, I cannot see my nrf51-dk in discovered devices section. Log says, Loading...
Hi all,
I've been wanting to start this project for awhile now, but I am having trouble figuring out where to start. I want to be able to make an iphone application which...
I try to optmize my code so it can run on the 128k chip.
My issue is with pstorage: I have 7 variables (from 4 bytes to 20 bytes) that I store in individual blocks. But it...
I have the nRF51 Dongle and an nRF51822 BLuetooth Smart Beacon kit. For software tools I have IAR's EWARM 6.7 for a complete IDE or command line GCC/GDB.
Are there any...
Hello,
my idea is to turn on a GPIO-Pin of the NRF51822-Beacon-Kit when my smartphone found the beacon. Of course if the smartphone is out of range or far away the pin...
Hi all,
I am trying to figure out how to change the LEDs blink rate on the go.
I have set up the timers_init() and let say every 500ms sensor data is read on dev kit...
I want to make sure I'm far from ever having a stack overflow event. Is there a way in the IDE or elsewhere to monitor this risk? The map file produced after a build?
Hi,
I'm trying to get the actual connection interval used between my nRF51822 device and iOS device.
I have read this article , but I cannot get it worked.
I used sd_ble_gap_ppcp_get...
Hi,
I want to disable the softdevice (S110) in order to use the "flash_page_erase" and "flash_word_write" functions. But, when the sd_softdevice_disable() is called I get...
Hidden in the guts of this answer is:
Please be noted that not all central
stack have full support to
automatically discovery secondary
services (e.g S120 stack)...
In the code for the bootloader in dfu_dual_bank.c and the function dfu_init , I currently get an error code on timer start: 4 ( NRF_ERROR_NO_MEM ).
err_code = app_timer_start...
The device name is set in the usual way at the start of gap_params_init():
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
err_code = sd_ble_gap_device_name_set(&sec_mode,...
Hello,
I am new to BLE profile development. I searched in web but could not find out a useful guide for this in terms of actual implementation(coding). It is seen that all...
Why is the "old" EK "not recommended for new designs"? Will the old EK work with the IOT SDK?
(Maybe it is chip rev dependent? I don't have the my EK on hand so I don't...