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...
My program does a lot of dynamic memory allocation and at some point "malloc" retruns NULL , which is cause the system running out of allocated heap memory (I am assuming...
Hi,
i am newbie to nrf51822 and want to know details of following stuffs:
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there...
Hi guys,
i asked a similar question [1] few days ago, but yesterday i stumbled over the "service_data" type when advertising packages.
I've written a custom service...
Is there a specific part code for the latest Rev 3 QFAC silicon for the nRF51822? We were trying to track down a source with stock of the latest chips, but most resellers...
I'm having trouble using the RTC1 COMPARE function to generate an event/interrupt when the processor has been put to sleep using sd_app_evt_wait().
My configuration is...
Is it possible to use the nRF51 dongle as a slave ?
I have a nRF51422 Eval board that I am planning to use as a central device. Can I use the nRF51 as a slave so that I...
Hello we have developed a few products which have required (costly) RF/RFPHY testing.
Is there a reference design that is qualified that can be used to avoid the RF/RFPHY...
Suppose a BLE central needs to get sensor data from 10 peripheral sensors. Given that there is a limit to the number of connections a BLE central can have, is it better for...
Has anyone managed to get this revision of the nrf8001 IC working?
i bought 280 of them and none of them seems to work as it should.
When i reset the chip i get no interrupt...
I tried to download softdevice 8.0 and the example code of SDK8.0
(\nRF_Examples\8.0.0\dfu\bootloader\pca10028\dual_bank_ble_s110\arm5)
to PCA10001.
First I Copied the...
I'm devloping application on nRf51 for that i'm using... SDK : nRF51_SDK_7.2.0_cf547b5 Tool chain : GNU tools arm Embedded [arm-none-eabi version 4.9.3] Dev Board : PCA10028...
Along with S110 BLE stack I programmed my application, which I managed to do without any conflict.
My application is not working properly and neither control is transfered...
how much time of keep level HIGH/LOW can make nRF51822 detected the HIGH/LOW level and generate an interrupt?
how width of impulse need to generate an interrupt?
