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've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hi. I'm curious if there's a way to filter devices in the "Discovered Devices" list while scanning with MCP. We have a lot of BLE devices in our office, so the list is fairly...
Hello, I am looking for the way I can use PWM to control duty cycle of connection. I am really novice and my understanding about programming and Bluetooth protocol is really...
I'd like to use the pin sense function as the power switch of my NRF51822 device. That is to say, after the very first power cycle (reset or battery change), the device goes...
Hi everyone,
I am trying to learn nrf51822 using Keil,
I need a very simple program to learn such as:
function bluetoothhandle(value)
{
if(value=="test1")
{
bluetooth_write...
Hi,
I tried to combine BLE HRS & UART together on nrf51822. The service initialization code is
void advertising_init(void)
{
uint32_t err_code;
ble_advdata_t advdata;...
Hi,
I am trying to get the PWM example ( github.com/.../nrf51-pwm-library) to work with a Softdevice (S110) that advertises.
There have been several Questions on the...
hi hakon, you told me to do " Try using the variable, for instance by setting "rx_info.rssi = rx_info.rssi;" in the callback and see if that helps." in the question i have...
I'm trying to perform communication between my device and iOS and I ran into some problems. For tests I'm using iPod touch 5 with nRF Toolbox and LightBlue apps and nRF51822...
Hi, for some reason ADC_IRQHandler is never called for me.
It's fairly simple and a direct copy of the battery sensor example, so not sure what happened here.
is there...
I've been using Master Emulator API 2.1.3 in Visual Studio 2010 Express, and have spotted a fix I may need in 2.1.5 so I've switched to using the 2.1.7 API. However, I've...
I am trying to get the proximity example to pair with Windows, but it fails, requesting me to refer to the manufacturer.
I am using gcc in Eclipse on Windows 8.1 desktop...
sd_softdevice_disable before flash_page_erase and flash_word_write ,
after i want set sd_softdevice_enable ,but system is error
how can set sd_softdevice_enable after set...
Hello,
I'm using: nRF51422-QFAA E00 and SDK - nRF51 5.2.0
My problem with ADC is that I stucked when waiting for event - end of conversion.
I used the code from Nordic...
Hi everybody!
I've plugged my NRF51422 as a slave on a STM32 through a SPI bus. I would like to be able to send to the NRF an unknown amount of data. I also need to read...
Error happened in pstorage_init() when sd_flash_page_erase(), return value 0xF.
I use S120 examples. So I guess maybe my device don't support S120 ?
My device info:
nRF6310...
