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...
I'm running into an issue in which I cannot initialized the I2C drivers on an Arduino Nano 33 BLE (nrf52840). The output from error logging is
I have this prj.conf file...
Hi. I am using timers and PPI to do frequency counting.
The basic process is for 1 PPI channel to incriment a timer, and then a second PPI on a second timer to stop the...
I build device based on Fanstel module BC833M with pcb antenna.
Communication with this device is very bad. I have test the same code in BC833M and origin Nordic devkit...
Hi,
First off, I'm very new to the nRF52 development so I'm suspecting to have done something wrong...
The datasheet of the nRF52 832 states a current consumption of 0...
Hi,
I have been tryring to identify the characteristic who is requesting a read. To do so, I implemented the read authorization request. Here is my code:
Basically...
Hello,
I'm trying to receive an inverted UART signal on the Arduino Nano 33 BLE (NRF52840). I've been able to invert the transmit signal okay using two GPIOTE channels and...
in ble send data period ,nrf 5340 CPU seem to be shared only by ble send
data ready and data read in ble not send period can equal ,this mean every data come from ecg chip...
Excuse me:
I'm testing the maximum rate of ble_app_uart。
1、Can the nrf connect app on IOS initiate the update of MTU and PHY?How to update MTU and PHY on IOS nrf connect...
I use nordic5340 SPI read ADS1298R ecg data, using nrf5340 p0.13 to connect ADS1298R data ready pin . when ADS1298R data ready pin high to low mean ADS1298R data ready .i...
Hi guys I am new to Nordic, just made a DevZone as the technology isvery interesting to me. So far I have been playing with ESP series but I know nordic is in a class of its...
Hello everyone,
I have been working for a few days with nRF52833DK building a BLE mesh where one of these microcontrollers is a client node or a server node.
However,...
Hi,
I have several questions about the dongle board.
1. Why should the p0.19,20,..,25 be connected to the reset pin?
2. what is the difference between the reset button...