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...
In my application I have to advertise and scan, I know these two actions are multiplexed and there are no problems when there is no BLE connection (I use s130, sdk 9.0.0)...
Hi all,
I'm developing little project on nrf51 dongle(pca10031). After few succeses now I have big failure which stops my work.
How my environment looks like: Ubuntu...
I built the GCC bootloader from source based on the suggestion of another user in this forum instead of using a precompiled hex file. The Softdevice is 7.1.
It shows DfuTarg...
I have a min connection interval of 200ms and max of 250ms. I have set slave latency to 10. These parameters are set both on peripheral and on central. Still, after connecting...
Hi! I am working on a project that uses the Multilink example. On the client (nRF51422 w. SD 120) my program crashes and starts the main loop again after a few seconds. I...
Hi,
I'm developing a device that will be powered by two AAA alkaline batteries.
Since the operating voltage of nRF51822 is 1.8 to 3.6V I was considering to connect them...
Hi,
the example ble_app_uart_s132 from the SDK 0.9.2 is not longer working with the new release of S132 ( s132_nrf52_2.0.0-7.alpha). I had to go back to s132_nrf52_1.0...
My setups are:
RBL BLE Nano
nRF51_SDK_9.0.0_2e23562
Keil uVision V4.74.0.22 or gcc-arm-none-eabi-4_8-2014q2-20140609-win32
My design is to advertise a manufacturer...
I'm using nRF51422 with SDK 9.0.0 and S310 ver 3.0.0.
First, I program softdevice and dual bank bootloader by nRFgoStudio. After that it is possible to program my application...
Hi all,
first of all thank you for such a great knowledge base and community exchange.
I am pretty new in the development for nrf51822 devices.
I managed to run the...
The comment above app_button_init says, in part:
* @note Normally initialization should be done using the APP_BUTTON_INIT() macro
This macro is also mentioned in the...
I'm using the s130 SoftDevice on the nRF51 dongle and writing a PC app in python. How can I declare an int8_t in python for use in the sd_ble_gap_rssi_get function? The function...
Hello there, I am already guessing that by the question alone it seems like what i'm asking is silly or wrong but I have no formal education here so I will need some help...
Hey guys,
I'm building a remote control (similar to TV remote) and I'm using nRF51. I am trying to figure out optimal connection parameters so the battery would last as...
I am using nRF51 SDK v10.0.0 and running simple_uart application on nRF51822 Evaluation Kit(PCA10001).
Added CFLAG += -DBOARD_PCA10001.
after flashing with nrfjprog...
