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 have some question about nRF52832 Bluetooth Firmware upgrade problem:
1. I have a device with nRF52832 in my hand. If I don't use the JTag interface, how can I confirm...
Hi,
We are using Nrf51 with SDK nRF5_SDK_12.3.0_d7731ad
We based a UART bridge on the BLE_APP_UART example
The UART connectivity is Rx/ x only (RX_PIN_NUMBER 0; TX_PIN_NUMBER...
Hi,
we've noticed that after performing an OTA DFU, the Bluetooth Address of the device changes as follows: new_address = old_address - 1
Example: Address before OTA DFU...
Hi there,
I am a beginner to the nRF series and I had the following question.
For a battery powered system, is it better to run the nRF52840 at a lower voltage such...
Hello,
i'm trying to program on 51422. The BLE signal,which runs well on 51DK, doesn't trigger any signal on my own PCB. i've successfully light the LED on my PCB. i think...
Hi,
I'm using nRF52832 and I'm trying to switch from SDK15.0 to SDK 15.2. While I've been able to install micro-ecc library in SDK15.0 and use OTA DFU, somehow I'm stuck...
Hello.
I want to integrate UART and SPI ,I am using SDK15.2. The problem here is i am not able to add app_uart.h to main.c(spi).
My question here is how to add it to main...
My working platform is nRF52-DK, and I want to execute DFU firmware upgrade
1. How to create a Bootloader Image? Which Source-Code of SDK_15_2 is used to build the bootloader...
The RTC documentation states that the LFCLK source needs to be explicitly started by the software.
Is this step necessary when using the SoftDevice? As far as I know, the...
I'm not sure about how does the ble_app_att_mtu_throuthput example works exactly, i supose the throughput test runs as follows:
1 tester defines a service 'populated' with...
Dear all ,
Working with nRF52832 (currently without SoftDevice), and there some issues regarding the project current consumption that we need to understand:
1) In the...
Hi,
I am having a trouble trying to make a custom service from SDK 15.0 ble peripheral template example. I have followed the tutorial from : https://devzone.nordicsemi.com...
Hi i'm a newbie, Got Thingy:52 (Keil and J-link) and want to develop HOGP keyboard application. Where can I find Tutorial or example ?
Is there a step by step guide on how...
