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...
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...
I was wondering if anyone has done any extremely high speed UART work on the nRF51 (or the non-EasyDMA module on the nRF52). I need to improve performance for an existing...
Hi,
I ran the ble central example code on nrf51822 16KB ram version without any problem. But when I run the same code in nrf51822 32KB version, the program flow goes to 0xFFFFFFFE...
Working on my first project in mbed using the Nordic nrf51-dk.
The project utilises a TMP112 temperature sensor and attaches the reading to the service data to make it...
I'm trying to rename my device using s130, but the name doesn't get applied.
I went back to the "roots", ie the HRS sample.
Just before entering the loop, I add a name...
Hello,
I am working on a custom board with NRF52832-QFAA-R7 and trying to run ble_app_uart_c on it. I am using uVision 5.23.0.0
The first trouble that I am facing...
I'm trying to implement usb function on the nrf52840. The moment that I connect the usb to the computer the chip resets.
With gdb debugger i found out where the fault happens...
I have some question about ANCS ,when we trun off the IPhone and turn on the IPHONE.
The notifcation is disabled. I have to turn OFF the bluetooth and ON bluetooth form ISO...
Hi All,
I am a beginner,Can you please explain me what is the role of this line?
APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, m_tx_buf, m_length, m_rx_buf, m_length))...
Hi All,
I am using nrf51422, SDK 12.0.0, an SPI OLED display 128x32, and an SD card.
I want to interface an OLED display and an SD card onto the nrf51422. Although my...
Hi all,
I like build a smartwatch-like device that can receive notifications from my android phone. The bluetooth device has a oled screen and displays what notification...
I need to turn on and off one pin around every 100 us. Time between must be 1 cycle (couple of ns) and can't be interrupted at any circumstances.
Without a softdevice I disable...
Hi All,
I am a beginner in nrf52.
I need to get the client device address in ble_app_hrs_central, because I have more than one devices connected.
There is a hrs_c_evt_handler...
After spending half a day on this solution, I found out it wasn't really a solution - it devolved back to the same issue after trying to connect - please advise!
Description...
I'm trying to connect to a ST LSM6DS3 via SPI on the Nordic chip. I have used SPI on Nordic with other peripherals but couldn't seem to get it to work with this ST chip. Eventually...
