Hi,
I am sending data from Android phone in every 200 ms to nRF8001. But sometimes I found there is a 50 ms or 100 ms delay. It looks like nRF8001 spending some time in...
Hello,
I'm starting a new nRF51 project on mbed for a custom board. I wish to know what is the "cleanest" way to define pinout (what file to edit) ?
Thank you
I have enabled data ready interrupt bit and also enabled the fifo bit and also enabled gyro_fifo and accel_fifo bits in mpu6050 so that when data ready interrupt occurs the...
I will be selling various ble products. My customers can connect to and program the devices using their bluetooth smart phone or tablet.
I want them to have the option...
Hi,
I am trying to run nRF24L01+ in default configuration using simple ping-pong examples using RF24 Arduino library.
The problem is that while ping-pong is getting through...
Hi,
I want to send data from one peripheral(nRF51 DK) to multiple Android Phones. This will be a one way connection from the peripheral to the smartphones. I red on the...
I 'm developing using a nrf51822
and use 256kb rom 16kb ram.
I met ram overflow frequently.
so,I want to calculate the ram size at the map file.
could you explain how...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
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...
