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 everyone !!
I have this hardware mapping, and I'd like to detect pin state change with an interrupt.
My problem is that it seems I can't configure an interruption...
I'm new to Linux, new to embedded code but 15 yrs experience in Windows development. So, I got this project where I need to interface from BeagleBoard-xm running Ubuntu Linux...
Hi, I'm using my own custom board.
MCU : NordicSemi nRF51822-QFAA
SDK version : 7.2 (I use IAR 7.1 for ARM.)
Softdevice : S110 7.1
Each 3 examples does work with...
i am sending data with the advertising, and the Dongle receives the data. It only receives the data at certain times. 20 sec receiving, 30 senconds nothing...and so on.
...
Good afternoon,
I want to get date and time from the RTC1 and working on the S110.
As the RTC1 counter is just 24-bit long, final counter value (overflow) has to be taken...
Anyone had any success get uCXpresso.NRF working with the latest nRF51 Dongle. I can't seem to get the BLE stack working.
Trying to run this example but the device is not...
Just starting the external LFCLK needs a considerable amount of energy. With my evaluation board it takes about 340ms for the XTAL to get started, which is well within the...
I am only interested in one max bonded device at the moment so I want to replace the old bond with a new bond. Is there an easy way to do this? I only want to replace the...
Hi,
I am try to manage situation when a wrong PIN code is provided from Master control Panel.
Using an NRF51822 with S110 I receive this code:
BLE_GAP_SEC_STATUS_CONFIRM_VALUE...
Hi,
I'm trying to communicate between a stm32f4 (spi master) and a nrf51822 (spi slave). I have configured the MISO, MOSI, CS and SCLK of the nrf. I use the spi_slave_example...
