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...
Hello,
I am working with S130 softdevice. I am using SDK v6. I want to send multiple data as a single characteristic value (possibly as a structure). But it is seen that...
I'm playing with open-source IoT over Bluetooth and recently was told about TI's new SensorTag product line which uses a CC2650 multi-sensor bluetooth base platform with pluggable...
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...
I'm having a weird issue where the stock sdk 8.1.0 DFU software is not timing out properly and getting stuck in the bootloader, advertising dfuTarg forever.
Our iOS app...
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...
I want to add a battery level characteristics to a custom service. Here is my approach:
In main.c, I add a timer to update battery level periodically
void data_update_timer_timeout_handler...
So I've been having issues with my debuggers where occasionally Keil will crash and I won't be able to reconnect to the debugger interface without a power cycle (might be...
Hi, My project is that when a button is pressed on a slave (nrf51822ek), a central (another nrf51822) gets to know which slave has triggered and sends its status 1/0 to a...
Hello,
I am using ISP130301-Development Kit 1 for nRF51822 from insightsip.com which consists of postimg.org/.../
There is used a button on PCA10028 for deleting bonds...
Hello, every:
I have success to use sd_ecb_block function to encryption data. But I am not find how use this function to do decryption. Please teach me how to use this function...
I am trying to perform a simple ADC measurement using polling rather than using an interrupt. I have looked at examples and read the ADC section in the reference manual, but...
Hi Team,
Is there any way to enable/disable all interrupts?
Will BLE connection get disconnected because of this? If yes the what are the possible ways to
maintain the...
Hi,
I am new to all this,
I have just started using the nRF51822 evaluation kit.
I have manged to run the blinky example, however, eventhough I managed to download the...
After implement PWM (using pwm example at nRF51_SDK_8.0.0\examples\peripheral) into my BLE based nRF51422 project using SoftDevice S110, it has been working fine; however...
I want to add a command ordering by uart to make MCU entering Bootloader mode in app.
To achieve this function, I plan to use the two following example in SDK 8.0
ex1...