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 would like to ask you guys whether it is possible that one Bluetooth master device (smartphone) can control and collect data from two Bluetooth slave device (some...
Hello all
I'm struggling with link errors, "undefined referencce atan2" as well as all math library.
I still dont know why it is occurred these errors.
I configured the...
Hi,
I'm trying to move my code from Red Bear BLE shield with Arduino to nRF51 dongle.
Is there any possible method?
(ex. share the same library or SDK helping)
I just read the S13x migration guide .. have some work to do :(. I'll have to read it a few more times to get my head around the bandwidth configuration but it looks super...
Hello, I started with NRF24L01 + Arduino and that works fine for me. Then I saw the nrf24LE1 and I thought that would be smaller and cheaper. I ordered the NRF24LE1 development...
Hello Everyone,
I was taking a look at the PCB in Ditto . It uses an nRF51822 and supports firmware updates from their app which means they put a bootloader on it.
I've...
hello guys,
I'm working in a project & I'm debugging using nrf15822a development kit, I want to implement the DFU & security feature to have a secured link and to be able...
Hi guys..
I try to figure out how to connect nrf 51df , raspberry pi (ble enabled router), COAP client which is on the external network. Trying to figure out it, I found...
I noticed the following compile time issue in the SDK - both 10 and 11:
The file ./examples/ble_central/ble_app_hrs_c/main.c
needs:
#include "app_uart.h"
For...
Hi,
Could anyone give some advice how can I let 51822 works in RFID mode.
Can RFID work together with BLE? Or is there anoter HAL support like Softdevice? Where can...
Interrupt_Sleep.txt
Currently, I'm trying to use external interrupt that generated by ADXL345 to wake up the nrf51822 after sleep but not working as i want. Kindly check...
