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...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
Folks,
Newbie here with mbed, using nRF51-DK, but old hand with nRF51822, S110, SDK, J-Link, Keil MDK, etc. Trying to figure out how the mbed SDK API maps down onto the...
I have 25Q64 SPI flash chip connected to SPI bus. Unfortunately it works too slow even with using IRQ routine via SPI0_TWI0_IRQHandler (everything done like in example spi_master...
I was wondering if its possible to do a "Create new user" function, so the new bonded devices are accepted only if the first connected master tells the peripheral to.
For...
Hello,
I have taken the ble_app_beacon example and added a few things... I am looking to do something very simple like light up an LED on connection. So i added the on_ble_evt...
When is the S130 going from alpha to beta or release?
I understand that what ever answer is subject to change...just hoping to get a "ball park" date/plan.
hello,
I recently purchased a NRF51 dongle and NRF51 DK. I was working with older version of NRF51 development kit. I did n't get any information in the user guide provided...
Hi,
I am using NRF51822 BLE. I wanted to know that when we put this BLE ic in sleep mode then, is there VDD_PA voltage is still 1.6V or it becomes shut off internally.??...
Is it possible to generate useful documentation from the provided .dox file ?
If I run doxygen.exe ble_api.dox I get some Latex and HTML output but looks incomplete because...
What would be the best way to go about sampling and transmitting a signal at 60 Hz? I am considering setting up notifications and a characteristic, but I don't think that...
Mac OS X 10.10 Yosemite rejects the format of the file system and puts it in a read only mode.
This issue was raised last October 24, 2014 at https://github.com/mbedmicro...
Hey guys,
Sorry to a basic question here, but it's been a few hours and I still can't get a connection to either of two brand new nRF51 dev boards, trying both on WindowsXP...
Hi Sir,
I’m working in an application with the demo board A to communicate via Bluetooth to the demo board B and send data between them. In the module I have to do send a...
I have a 51822-DK board. I have followed all of the instructions to set up the environment. Loaded all NRF tools, Keil v 5, install SDK. I began working on the examples. I...
Hello.
I need to hold 64-bit timer value. I store the 32-bit hardware timer value in one variable (low DWORD) and use an additional uint32_t variable as a an upper part of...
