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...
Hi,
I working on a project that need to communicate with other mcu by SPI, the communication is work, but I have question about the start and stop of communication.
...
Hi,
I just met some difficulties to implant more then one service into my project. The project was developed based on hid_keyboard.
The project can work normally when...
I am using 2 nrf52832 boards to talk to each other through UART. One is programmed to the central SDK example and other other is peripheral. In the code, i incorporated 2...
Hi, I got the issuse about the connection with nRF52810. I used nRF connect to connect the nRF52810 device via Android,but it isn't easy to connect successfully.The nRF log...
Hello,
I have a question about the nRF52840 device and the supporting documentation. I am trying to figure out the current ratings for the GPIO. On page 198 it states that...
Hello,
I have an issue with the function sd_flash_write which ends up in a hardfault when returning to the function calling it. I know there are many Q/A on hardfaults...
Hi,
I have some questions about UART:
Currently I am developing software on our PCB with nRF51822 chip. When I was implementing and testing software on the Development...
Hi,
I am a beginner to BLE. I am using the nRF52 DK and i want to try out the advertisement and connection features.
I basically want to know how to send out an advertisement...
HI
when I use nrfutil.exe to generate .zip file on win10 64bit, I got the UnicodeDecodeError.
And :
Python version 2.7.9 (default, Dec 10 2014, 12:28:03) [MSC v.1500...
In my current project, I am receiving multiple indications from peripheral device. After 25 indications, I need to pause the indications or disable the indications. I am using...
I have a question about "LE Secure Connections (LE Security Mode 1: Level 4)".
I recognize that it is impossible to realize "LE Security Mode 1: Level 4" when adopting ...
I want to realize "LE Security Mode 1: Level 4". However, there is no IO capability in both devices.
I tried the following. 1) Set the IO capability of both devices to ...
I have a question about "LE Secure Connections".
I recognize that "LE Secure Connections" includes the following security modes and levels:
・ LE Security Mode 1 Level...
I run eraseall but the following error shows up. how can I fix it?
nrfjprog -f nrf52 --eraseall --log ERROR: JLinkARM DLL reported an error. Try again. If error condition...
Hi,
We have a requirement of reading the BLE Advertising name from flash instead of predefining it in as a MACRO. I saw in the notes it says to use ble_gap_cfg_device_name_t...