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...
Hy world,
I can update my device with FOTA, but the first time i do:
1 I put: "ble_default_bootloader.hex" on board;
2 i open nrfMasterControlPanel app
3 i write characteristic...
I have a feeling I am missing something completely obvious here. That said, this problem has cost me enough time today that I'm willing to risk embarrassment to see if someone...
I'm trying to implement a simultaneous broadcaster observer by calling ble_gap_adv_start() and sd_ble_gap_scan_start() and waiting for respective events.
If I call advertising...
Hello,
I'm trying to use Eclipse with a Nordic SDK (managed build mode) but it seems Eclipse (latest Mars edition) fails to invoke the assembler. Here is what I found in...
We are looking to use the DCDC to reduce the maximum current during radio operations, but minimize the overall current by enabling it as late as possible before radio use...
I have added button in my project and used bsp_init() to initialize it. All functions in bsp_init() returns NRF_SUCCESS but if I push my button even gpiote_event_handler(...
Hi Folks,
i have implementet a sleep mode by using only the RTC timer with the 32KHz OSC and the WFI instruction. The current consumtion is around 1.7µA (all peripherals...
Hello,
We have some problems with nRFgo Studio on the one of our computers.
Firstly, it takes a long time to flash firmware - about 15-20 seconds:
Secondly, we...
I have interfaced a vibration switch with nRF51822 Pin 19 using external pull-up. When there is no vibration the switch is either at open position or close position randomly...
UPDATED WITH IMPLEMENTATION
Is there a way to know what is triggering a chip boot :
Power off (battery replacement or deffective electrical connection)
The watch...
I have an old project I am trying to recompile for nrf51822 but have been programming with the most recent MDK on my station. The project is asking for old Device Family pack...
Hi all!
I just tried to compile the DFU example from the nRF51_SDK_7.1.0_372d17a and I keep getting the building error:
Referred Memory Range 'IRAM2' is undefined
...
Hello,
Does nRF51822 has a MAC adress when we buy it ?
If yes, is it possible to have two nrF51 with the same MAC adress ?
If yes, can we buy a MAC adress range and...
The new tutorial points to this github repository.
Then there is this instruction:
Download the NUS central example from github.
Open it in Keil by opening the file...
