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...
Hi,
I'm currently working on an Android 4.3 app who must communicate with a model of a specific device.
This device contains a Bluetooth low energy chip nrf8001 and there...
Hi,
I have a problem when running 51822 with Nrf toolbox on android 4.3 Samsung S4. The problem is that the BluetoothGattServer disconnect itself after 30 seconds. The...
Hello all currently i am setting a Client Characteristic Configuration value to indicate to retrive value from device. but in some device refuce to give value . so first i...
I'm using the nRF51822 with the S110 soft device. When specifying the maximum size of a variable length characteristic notify property (the max_len field of the ble_gatts_attr_t...
now,I want to know how the process that application invoke the method to send or recieve the data,but I did't find it in the source code ,and when I want to find the definition...
I want to read a line of text from a UART peripheral. I'm using app_uart.c, not the "simple UART" example code.
My main() looks something like this:
uint8_t line[MAX_CHARS...
Hello,
I've been working on the SPI module for the nRF51822. I used the sample spi .c file as a starting point, but I got rid of the timeout (not sure why there is a timeout...
Hi,
We have nrf51822 evaluation kit and some custom board with nrf51822 chipset(works fine). And also we have tested the nrftoolbox application with the proximity service...
I use the example "Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\led_radio_example" and "Keil\ARM\Device\Nordic\nrf51822\Board\pca10000\led_radio_example" to communicates...
Hello, I think there's a mistake in page 35 of the specification, it says that if Auto Retransmit is disabled (that meaning Auto Retransmit Count = 0 in SETUP_RETR register...
Hi all,
I am using an nRF51822 Development Kit and I would like to create a simple test code that allows me to send data (no matter what kind of data, also a sequence of...
Hello, I am working with both QFABA0 devices as well as a QFAAC0. Because of the outdated silicon I am constrained to SDK V4.x and SD V5.x
My current test setup is
I...
Hello,
which profiles are available currently to the S120 protocol stack? In the nRF518 SDK V5.1.0 I could find only one example profile for Heart Rate. However, this is...
HI,
I am the beginner of develop bluetooth le device, and test the sdk 4.x examples and it's work correctly,
then i updated the sdk to 5 , but i can't get the example...