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 am using the fatfs example in SDK 15.3 and I need to implement an energy saving mode for a use case when the sd-card is inserted but not needed. In a first step I'm cutting...
Hello, first of all I am new to Zigbee.
I have read the Light bulb example, and now wondering on connecting it with some kind of power consumption monitor. I want to create...
I have been using UART0 to implement a very simple console using console_getline_init() and console_getline().
So the nRF5340 receives commands over UART0 and outputs printf...
We're building a cryptocurrency hardware wallet. And we're using the secure bootloader provided by nrf5 SDK, to only upload signed firmwares to the device. We are using nodejs...
Hi guys,
I am working with nRF52832 board and Zephyr for a short period of time and I really don't have to much experience. Every day I learn some new things and try to...
Hello,
We have a custom board of nRF52832 with two buttons and right now Buttonless DFU is also working perfectly. But, we have scenario where if combination of two buttons...
Please help with writing to flash. If SoftDevice is off all ok. If SoftDevice is enabled, the sd_evt_get function always returns the value 5.
Here is the test code:
Hi!
We are developing a tracker based on Thingy91 using GPS and LTE. We're using the latest Modem firmware 1.2 and Zephyr/NCS v1.2.0
The GPS cold start until receiving...
Hi Devzone!
I'm trying to monitor the battery level of Lithium Ion battery.
I'm using SAADC to check the voltage of 3.7v 3500mAh Lithium Ion battery.
The battery...
when I am waiting for an event the current consumption is becoming ~180uA continuously.
I am waiting for an event using the following function
void deep_sleep(void) {...
Hi All,
I would know, is the NRF52 BLE Mesh Bluetooth 5.0 qualified or not. I did not find it anywhere. As I can see the in Cypress website, they clearly mentioned that...
Can somebody please measure and post the dimensions of the nRF9160 DK please.
Either they are not in the SPEC, or i cant find them.
either way W x L x H - would be appreciated...
Is there a way to specify which AIN should be used through the devicetree API? For example, here is a code snippet:
How would I use the devicetree API to replace the NRF_SAADC_INPUT_AIN6...
Hi
regarding the Nordic guidelines for aQFN, it recommends to use 0.305/0.61 for through hole via.
We are using 0.2/0.4 to avoid soldering bridge and non find any issue...
Hi,
I've tried the Heart Rate sample code (both from hex and source file) and in both cases, I encounter the same problem - constant disconnection. When it finally connects...
