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...
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...
Hello,
I want to generate different UUID for service and for characteristics with different base address for both.
I am updating base address in characteristics_add...
8Q BTLE issue.pcapng BTLE connection failure.log
Hi guys,
We have an issue with some iOS devices that are disconnecting with reason 0x08, the connection timed out. The...
I have used NRF52840 and SDK 13.0.0. Module SPIM.
Nrf driver does not support frequency more then 8 MHz(enum does not have constants for 16MHz and for 32MHz).
But I have...
Hi,
I tried to use fstorage to store some data in flash.
From now, I was able to read and write data before advertising starts, but when I try to write data to flash after...
Hi,
I am currently trying to perform DFU update over BLE, I am working on SDK v11.0, and Softdevice S130 v2.0.0. My traget is an nRF51822-QFACA1.
When I enter in bootloader...
Hello everybody,
I'm designing an app to track the position of the smartphone using six beacons and, in order to do that, I made some measures both indoors and outdoors...
Is there any example combining the Serial and Over the Air DFU for the SDK13?
Or the posiblity to combining the two features into a single bootloader?
What steps should...
Iprogram the bootloader.hex to 0x78000 with jlink.Then in my application program,I set the NRF_UICR->NRFFW[0] register as belew:
static void write_uicr_customer_register...
When power on,run app first at 0x1f000,then reset and run to boot loader at 0x78000,how to set UICR registers to make this come true?I try to set the NRF_UICR->NRFFW[0] in...
Hello,
I want to build a system which will use 2 nrf8001 to communicate. 1 nrf8001 will act as a client by continuously transmitting its UUID and another one will act as...
I am working on RTLS project. I want to perform DFU in beacons but not getting proper information .I went through ( devzone.nordicsemi.com/.../) but i think it i for SDK 13...
I have a hex string like this 58FF1CE5.This is corresponding to One date time 16/09/1955 .(ie in MM/dd/yyyy).How can i do this in ObjectiveC, I am getting this date in didDiscovercharacterstivc...
After some search I found that accepted values for tx power are -40, -30, -20, -16, -12, -8, -4, 0, and 4 dBm.
So my questions are
once I set the tx power using ...
I will code 1 to 2, however, was not successful
code1 :
u8 IICwriteBytes(u8 dev, u8 reg, u8 length, u8* data){
u8 count = 0;
IIC_Start();
IIC_Send_Byte(dev);...