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 using the following snippet in my application. it is working fine sometimes but the other times it's not coming out of the while loop.
can anybody point out the...
I have been struggling to reduce the current on the Nordic Dongle to the sub 3 uA levels that the specs suggest I should be able to achieve.
I am stuck at achieving a 9...
i am trying to determine the current consumption of the nRF9160 when in sleep mode but running LPUART and TWIS.
I see that the Sleep mode (MCU IDLE, MODEM off, RTC on) shows...
Hi all, i want to use CMSIS DSP library for vector/matrix computation.
In NRF connect SDK, there is a "nRF CMSIS DSP examples solution" in the dashboard, however it fails...
Hello,
I have an external flash w25n01gv, I am using this simple spi loopback example to test the spi functionality of nrf9160. I want to read the jedec id of my device...
Does doing DFU again and again on same controller can cause misbehavior of code? I am using BLE + UART + EEPROM in my code and sometimes I face the issue with UART event handler...
Hi,
I'm using NRF52840 to connect my mobile.
I'm using whitelist, following the example. It used to work perfectly for about 1 year.
However - in the last couple...
After starting the program, I do the first calibration and read the data 30 times. The standard deviation is between 2.0 and 2.3. Perform 30 "Calibration -> Read Data" each...
Hi,
Greetings of the day!
I used nRF Connect for desktop to program the nRF52840 device. But I can't lock the program and protect the device using this utility. I installed...
Hi,
I tried controlling the LEDs connected to P0.0, P0.7 & P0.11 by using
nrf_gpio_cfg_output(); nrf_gpio_pin_set();
nrf_gpio_pin_clear();
& ble_app_blinky example...
Hello,
My project application demands exchange the data from PC application(custom application developed by us) which is act as a server to the controller which is act as...
I am trying to compile firmware with GCC in ubuntu. The GNU directory is in C:\Program Files (x86)\GNU Tools ARM Embedded\4.9 2015q3. I changed Makefile.posix to m ake sure...
I have a sensor which I'm grabbing FIFO data from every 14msec, ~240bytes. I send these FIFO grabs as soon as they arrive.
My connection parameters:
Connection Interval...
Hello,
I am tested multi-channel BLE peripheral connections. (ble_app_uart example with saadc example.)
When I am testing 2-channel, it works well.
However, when I am...
nRF52840
running nRF5_SDK_15.0.0_a53641a but have also reviewed FDS changes up to nRF5_SDK_17.0.2_d674dde for ideas
#define FDS_VIRTUAL_PAGES 5
I found a scenario...
