Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
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...
I am currently developing iOS applications related to Nordic ’s nRF 52832. So, I have some questions and I will ask you a question.
Send the electrocardiogram waveform obtained...
dear friend,
in document S132_SDS_v0.5 page 67,there is a table as followed.i have some problems:
1，what work is done in stae (A)-(I)? can i get a detailed description...
Is there a way to workaround bluetooth unstability for Sony Xperia Device?
Device : Sony Xperia - different models
Android Version: lollipop
Background:
Bluetooth...
I am trying to connect my android mobile with nRF52DK. At the first moment it gets connected and then I am able to access service and characteristics but once it gets disconnected...
Hello,
Is it possible to run CMSIS-DSP library on nrf51822, I would like to use the FFT function for analysing the accelerometer raw data on nrf51822. Is anyone have already...
Dear all,
We have designed prototype with BL652 (nRF52832) and would like overwrite smartbasic with softdevice, we have Segger jlink connected by SWDIO and SWCLK how we...
Dear Devzone,
When working with the nRF52840 I had implemented an ethernet connection using the W5100 chip. I used some examples and libraries from this blogpost
I had...
Hi all,
may be it is just my misunderstanding, but I think it is must be fixed...
SDK12 ble_db_discovery.c\ble_db_discovery_start() never resets ble_db_discovery_t.services...
what happens when USB supply is powered but VDD isn't powered?
The internal USB LDO is working ? DECUSB go to high or not ?
Is there a leakage current from usb to nRF? ...
Hi, all!
Is it really possible to timestamp 4 GPIO edges in parallel with the nRF52?
It would need to be as fast as possible and some edges might be simultaneous so...
hello:
I'm looking for a bluetooth solution for our equipment. We need a chip that simulates a serial port, what we send by SPI port, it is received in the mobile and the...
Hello,
I would like to understand how can I make use of the macro ERR_TO_STR_TWI in order to know what error is being given by my TWI module function.
I have tried something...
I am attempting to run the SoftwareSerial example on the Arduino Primo.
The example code does not work and I am wondering whether the pin assignments are correct.
Example...
If I use PWM "nrf_drv_pwm_simple_playback"
and that will go to "start_playback"
How can I catch end point after it finish entire function?
BTW, the process will keep...
