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...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
I'm attaching a function where I use the sd function :
void edit_speed_ID(uint8_t speed)
{
uint32_t value;//, err_code;
value=5 * speed;
while(sd_flash_write(address...
Unfortunately it seems my post devzone.nordicsemi.com/.../ has been lost.
This is a re-post.
I am trying to manipulate Flash data in CODE_SPACE one page at a time. Currently...
I'm using nRF51822 for ble.
For my application, I need to increase rf power.
( My application needs +10dBm)
In case of CC2540(TI ble chip), there is application note...
Hello,
I have 2 nRF51822 with S130. One is central, the other is device.
I want to exchange custom data between these 2 devices after connection. What is service best...
Hello,
I do communications between 2 nRF51822 (one central and one device). Once they are connected, cant i do a kind of deep sleep and freeze stack state for 1 minute...
I'm getting a hardfault on some float operations that I wasn't getting before I upgraded to SDK 6.0.0 and SD 7.0.0. At least, I wasn't getting them at all before that and...
Hi:
I use spi0(0x40003000) to wirte data to external flash(W25Q64) with SD8.0(sdk8.0.if I write data without sd, it is OK), and when program run to rx_data[number_of_txd_bytes...
A friend of mine asked me to help with thinking about a solution to create a RF communication between 8 robots and 1 access point. Not a lot of traffic, just to signal that...
Hi everyone,
We are making a BLE peripheral that measures some data and keeps it ready for the mobile phone to connect & poll the data.
The data should be private and...
I am trying to use the template to create my own application. In two places I have read, that to add my own services, I just "Double-click the Serives folder in the Project...
Hello everyone,
I had some troubles some time ago with Softdevice s120, and finally solved it to work with nRF51822 thanks to Aryan .
The problem is that, when I upload...
I'm following the official tutorial for using pstorage and this the simplest test code I've come up with:
static pstorage_handle_t base_handle;
static void test_pstorage_cb_handler...
Hi
i started some time ago with building a simple peripheral device, and started form the led-button service example.
In there, device manager was not used. However, in...
Hi,
My application receives assert error from stack. Source file name is src\ll_master.c, line number 831 and error code 0xDEADBEEF.
What this error signifies?
R...
Hello,
In my application I'm using SDK 8.1 with the s110 SoftDevice. In the new version, the pstorage modules have been separated and you need to choose between them.
...
