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 know it is not recommended to use SD8.0.0 and SDK8 on revision 1 ( QFAAC0 ) based modules.. But as it is for testing purpose only and would save me a lot of time...
When not programed bootloader,my own 51822 module can work without Development Board,i supply the power through the button cell to my module.
But when programed bootloader...
Hi,
I want to use ble_app_multilink_central example for my own application. Here are my problems:
Setting MIN and MAX CONN_INTERVAL to more-less 20ms or lower (both...
Hi.
In my program I need a frequency at 2 MHz (a square wave with duty cycle at 50%), it should just run a frequency in a short time, under one second. Also the code must...
Hi,
I'm using a simple timer with interval set using "APP_TIMER_TICKS(1.4, APP_TIMER_PRESCALER)" alongside softdevice. Now i'm trying to get it to go faster but it would...
I got this error when programming the Development Dongle. The dongle is recognized in the
Master Control Panel as a COM4 - xxxx, and when is connected a green led and blue...
Hello,
We are French students in a school of engineers. We are developing a project based on the nrf51822.
Actually, we implemented RIOT OS on this SoC and we would...
I am currently using softdevice 8.0.0.
I am curious if the nRF51822 will be upgradable to be 4.2 compliant with a new softdevice release in the future? My understanding...
Hello,
I see when you import an example from the pack installer ( for example pwm, ble, timer examples ) it arrives with the misc controls --c99 on by default , so I cannot...
I am trying to allow 2 peripherals to bond to a central, and would like to be able to use 2 push buttons to delete the bond information for either device. Is it possible to...
Hello, Nordics :)
I am trying to develop ANCS device with SDK 8.1, but I have some problem.
This are my environments.
Board: custom board.
chip: nrf51822AA...
Hi,
Function call to > err_code = ble_advdata_set(&advdata, NULL);
returns always err_code = 7 (NRF_ERROR_INVALID_PARAMETER) for a 128 bit UUID type (BLE_UUID_TYPE_VENDOR_BEGIN...
I am using pca10001, SDK6, SD7.1.
In my application i want to send a large amount of data to central(ios).
So im sending data as a packet of 19 bytes and each packet with...
I have NRF 51 DK.
I adjusted the toolchain path to arm-gcc 4.9 2015q1. This version works fine for the NRF 51 SDK.
I get this error:
lto1.exe: fatal error: bytecode...