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 want to know what is the different between QFAAB0 and QFAAD0. The IO of QFAAD0 version seems to be broken down easily.Maximum 4mA current flows into IO.
public class NotificationActivity extends Activity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; // If this activity...
The SDK version is 16.0.0. I am using NRF 52840 DK and testing the BLE data transmission with the example project BLE_APP_UART. I am using NRF Connect Desktop to communicate...
Hi! Some prerequisite info:
We are using nrf52840 boards as our peripherals
We are using v16.0.0 SDK
We are using the s113 SoftDevice, more specifically s113_nrf52_7...
I expanded the button events based on example ble_peripheral ble_app_hrs by
and everything works fine (button press and button release events for all 4 buttons) till I...
Hi
We found abnormal current waveform when running GPS as 120s fix interval and 10s fix retry.
As below pic, the first plus is A-GPS seraching, from second plus is the...
Hi,
When I used nRF52840 dongle (connectivity_5.1.0_usb_with_s132_5.1.0.uf2 firmware) to receive peripheral device notifications, nRF52840 dongle can only receive 20 bytes...
Hi,
I'm not sure if SES support C++ compiler in nRF9160 project, I did add C++ source in CMakeList:
target_sources(app PRIVATE src/xxx.cpp)
It won't work, Does anyone...
hi,
I use the SDK16.0 ,to develop BLE touchpad on nRF52833,which is should set non-zero value for feature reports . And now,i have a problem,how to implement the FEATURE...
I made a custom board using nRF9160 and tested a very simple program.
However, it consumes high current compared to nRF9160 DK. I measured current flowing on VCC line of...
nRF52832 / SDK 14.2 / SD5.1.0
There might be two configurations to setup a PPI channel to assign some peripheral event to both timer capture & clear task:
nrf_drv_ppi_channel_assign...
Hello all,
Having a smallish problem seeing printk() output on my board. My board is an NRF9160 PCA10090 inspired board. Long story short, I can't see printk() stuff showing...
My application implements a beacon with services, and a buttonless BLE bootloader.
The application can start the bootloader in two ways.
The first method is executed locally...
Hi,
I am in the process of provisioning and configuring a 2-element light switch server node and a common light switch server. I am using the orginal exemple for the provisioner...
