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 succeeded to port s110 & sdk9 to s140 & sdk14 which was a problem before.
What we need to do now is to compare the performance of BLE devices with s110 & sdk9...
Hi, I am a beginner programmer and I have the next problem.
I am working with nRF52832 SDK 12.2 trying to send AT commands to an ESP8266. I send the AT commands byte by...
Hi all
According to errata 146 of the nRF52832 Rev 1 errata sheet V1.5, the LFRC oscillator has a frequency tolerance of 500ppm instead of 250ppm.
What are the consequences...
I have a bootloader compiled from SDK 14.0, and when I try to upgrade to 14.1, the new linker script (secure_dfu_ble_gcc_nrf52.ld) does not contain the UICR_BOOTLOADER memory...
Hi,
I'm using the nrf51822 and I want to merge Server and Client roles in one Peripheral device. I am already able to send a history of temperature and humidity measurements...
Sometimes when the method RequestData is called after receiving a notify on the characteristic, the Master Emulator seems to hang for a set amount of time before throwing...
Hi guys,
I have troubles with MCP 3.10.0.14 but the device (PCA10031) cannot be detected in my laptop (Win 7 enterprise). I actually checked it on other PCs and everything...
Hi, I have just taken on responsibility for maintaining some firmware written for the nRF24LE1. One file, radio.c, contains the copyright header:
/* Copyright (c) 2008...
Can a proxy node also be a client and server node (a controller node)?
What are the key differences between a server and a client in BLE mesh?
Can a server relay a packet...
Hi,
When I try to download code to my nRF52832 from Keil with the example "BLE ATT_MTU Throughput Example", I get this error: Error: Flash Download failed - "Cortex-M4...
i want make delay funtion by timer?
in the other MCU like PIC, AVR, stm. i find register that hold value counter and i cant set this value
for example:
timer 8 bit will...
Hello
Just to confirm:
is it OK to use 2-layer PCB with nRF52840?
In case a 4-layer is needed, when do you advise the use of a 4-layer pcb?
Basically we...
I am trying to build the project which I downloaded from github for the "A beginner's tutorial: Advertising" but I get errors for missing files when I try to build it both...
How the ble peripheral knows that ble central was disconnected?
if i trying to send continuously some packets to ble peripheral some times peripheral is not responding?
...
Hello, everyone~
As the title, is there a complete tutorial for that? I even don't know if I can download the project directly without flashing SoftDevice additionally...
