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 am performing "just pairing" using peer manager ( SDK 11.0 ) in my custom board which uses nrf52 chip.
I am getting this events
PM_EVT_CONN_SEC_START,
...
Hi, I'm using nrf8001 nordic chip on my project. With some time on the nrf8001 chip begins to send the HW_ERROR with failure on ll_lm.s0.c and line 571. This not crash the...
Hi,
I am using the nRF52832 and I have been trying to meausre the centre frquency on a specturm analyser. But, the centre freq on the specrum analyser is 1.81GHz when it...
Hi,
I have a beacon that uses 4 AA batteries, each has 1.5V and 2600 mAh. When connecting the board to the PPK I get the attached measurements when doing a lot of scanning...
Hey guys. We are using the NRF52 with SDK 13.0.0.1-alpha.
If we connect the NRF52 to our own android or iOS APP we have some timing problems with notifications. When the...
I would like to reduce current consumption on my beacon and I wonder if it is possible to disable sending scan response. I know that it is not a huge difference in a single...
Firstly，the RedMi Note3 DFU failed used by dual bank，however Xiaomi3 Phone can DFU successfully.As the question link text mentioned,the process of the RedMi Notes3 Phone DFU...
Hello Nordic,
i am trying to interface BME280 with nordic nRF52 and SDK v 12.02 using twi_peripheral but i am unable to do it. here in example they are using ls75b whereas...
How do you setup "immediate Service Alert" Client on iOS, in order to get notified when an action is taken on the bluetooth peripheral ? (eg. Button press)
Hi all, I have an nRF52832 which is woken up every 15 seconds by an RTC to check for ESB broadcasts. The nRF52 will be powered continuously until the battery runs out, so...
I want to use AES ECB block present on nrf51 and nrf52 boards for resolvable private address (RPA) generation.
Are there any measurements about how much battery the...
I have an iot/coap environment setup and i want to read input voltage connected to p0.01.I can read the input in terms of resolution(0-1023).I can convert this values to voltage...
I have a project where I need both TWI instances as well as an SPI instance to be used with sdcard and fatfs libraries. When I try to compile I get the error: SPI1_TWI1_IRQHandler...
hi,everyone,I want to ask who know why sdk11.0 ble_ancs push message without push App Identifier?I look at the print, push the news started with tittle ,and the "p_attr -...
