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 trying out the FOTA feature on the nrf52840 dongle. I managed to build the SMP server example and flash it using mcugr. However when i reset the device, i can't...
We are evaluating nRF52832 for our next product. One of the requirement for us is to interface 3 set of sensors with nRF52832 over I2C.
Because our sensors can't share the...
Hello, I'm modifying the ble_peripheral/ble_app_hids_keyboard example on a custom board. When I pair my board with the first phone, it works fine.
But I can pair it with...
Hello, I would like to implement an acceleration interrupt in the asset-tracker2 program (SDK v1.7.1) that is executed immediately on movement. This should be executed in...
Dear, I defined Port1 pins as in attached overlay file. The binding of pins is done as in lcd.h attached file. When, build is started, the error written in title is displayed...
Hi,
for a last year I was developing any apps for nrf52840 in Keil IDE. Now I'd like to migrate my projects to VSCode but still do not understand some curcumstancies:
...
Dear NCS experts,
I'm working with NRF Connect SDK (1.7.1) on a proprietary Bluetooth Mesh model. When the model receives its configuration, it stores it in flash by calling...
Hello,
I am evaluating the DK52 board and have a problem with the reset button. Before the problem occurred, when I powered up the board connected to my windows 10 host...
Hello,
We have designed a product with NPM1100. With the NPM1100 set to output voltage of 3.0, we have measured the output across multiple devices to be in the 3.1 to 3...
Hello everyone , I am interfacing and trying to process GPS data received over UART port. The GPS outputs NMEA based sentences at a rate of 10 Hz. I started using the example...
I've tested two scenarios using a hardware loopback to test UART functionality. The double buffer approach does not work as expected.
SDK version 1.6.1
CONFIG_SERIAL=y...
Hi,
I used nRF91DK for almost 2 months non stop to debug the final nRF91 based board for our air quality monitoring hardware to fight the propagation of Covid virus.
But...
I tested various copy methods in terms of instruction cycles, that I determined with DWT.
For that I copied an uint8_t array size 70 by
for Loop --> 63 Cycles
memcpy...
Hello,
I am using nRF52840 dev kit with sdk 17.0.2, s140 softdevice and dfu bootloader also implemented.
When I download the firmware to dev kit it works as intended...
