I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
When use the "nRFBeacons" app to update the info on my beacon the following happens:
Go to update tab.
Select "Connect"
Press "SW2" on beacon and see the LED begin flashing...
I am using s110 and nrf51822. I've set up up a long characteristic of 154 bytes.
Sending between 1 and 154 bytes works as expected.
Sending 155 - 160 bytes gets rejected...
Hi,
I tested the nrf beacon application, it allows only the beacons with company identifier 0x0059 (nordic's id). But i need to modify it to support all the device, how...
I use a app_timer_create() function to create a task(200ms once)
when in the task_timeout_handle() ,
I do something more than 200ms,
what will this timer going ?
Hi!
I use nrf51-pwm-library ( github.com/.../) to control brightness of LED RGB light source and it works ok till I don't want to adjust brightness slowly (dimming function...
hello,
are there any completed sample code of using pwm0, 1?
just 2 or 3 word can working like following? or need other config?
pwmcon=xx;
pwmdc0=xx;
pwmdc1=xx;
also...
I'm developing using a nrf51822.
as a investigation of map file,
It seems that use the only block0 ram region.
Name Origin Length
RAM 0x20002000 x00002000
so,I suffer...
Hello all.
I have simple question.
The nRF Master Control Panel, is in this URL:
www.nordicsemi.com/.../nRF-Master-Control-Panel-for-Android-4.3
has requirement of...
I am developing using a nrf51822. I want to save and calculating year,month,date,hour,minute.
so.Is it possible to use the time.h of c statndard lib?
If it is impossible...
I would like to update nrf51822's firmware from a different microcontroller. Would that be possible? Can I emulate the serial wire debug, and program the flash directly? What...
Hi there!
I'm trying to run the 2014 arduino example code on a Teensy3.0 arduino variant. I need to know if the example file will run on the ARM core.
Right now I'm...
Hello,
I use PCA10001 v1.0(nRF51822 QFAACA).
But, S120 example is supplied with "nRF SDK v5.1" which support only PCA10001 v2.0 over.
When I tested S120+"nRF SDK...
Hi developers,
I am having a strange problem:
My nrf51822 will only start-up when USB-powered.
From no power state (battery removed and usb-disconnected):
---When...
I do not have a product (i.e. I didn't by any of the boards from Nordic) but we've built our own board using NRF51822. How do I get access to SDK/API files? The SDK is locked...
Hi,
I have Bluetooth4.0 modul and I want my dongle working just like a bluetooth adapter on my PC. that is to say: my dongle searching BLE device automatically and connecting...
Hello
I need help with 128 bit UUID for BLE.
Could you explain me how to specify my own 128 bit uuid?
Whether it should be unique?
Bluetooth specification refers to...
I am planning to write a simple OS for nRF51822 based on framed loop principle.
Nothing fancy, just bog standard 10mS frame and optional round robin scheduler.
The questions...
Hello,
I am designing a circuit using the nRF81522 chip.
I was wondering what should I do with the unused I/O pins.
Would it be OK to leave them unconnected, or there...
Hi
Could I use 3.3V to the C3 capacity in the application example,datasheet?That is to say,C3 doesn't connect to VDDPA pin and 3.3V connect to the C3.I found that it is...
We have developed our custom nRF8001 board and connected with Arduino UNO bord. we have used nRF HRM demo application from Github . We are using nRF utility application from...
