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 using SDK 17.1.0, softdevice 7.2.0 as a Bluetooth peripheral. I'm sending notifications to a paired iPhone. The notifications are keyboard keys, and so are time sensitive...
Hello,
I am trying to figure out how to save a small number of counters to local non-volatile memory on the nRF9160. I have a few questions.
1) How do I determine whether...
Hi
I want to measure chip temperature of nrf52840.
For this I referred " sdk-zephyr / samples / bluetooth / peripheral_ht / src /hts.c"
and I have enabled "CONFIG_TEMP_NRF5...
We are using nRF9160 DK (SDK 1.9.1) with "serial lte modem" firmware. We are trying to test downloading files from a server using AT commands to work with HTTP. The file is...
Upto a week I had *no* problem in programming a nRF52840 dongle with an app I am porting from the nRF52840dk.
All of a sudden I can't get the app running, the dongle appears...
I'm trying to get sprintf working with SDK 17.1. Basically, I'm struggling getting this simply use-case to work. char buf[32]; sprintf(buf, "%.3f", 3,5); I'm not able to find...
I know from zephyr samples that Tensorflow lite is available via zephyr as an external module, though it's not explicitly allowed in the nrf west.yml, and therefore is not...
Hi all, I follow example (serial) to build and run, i already run successfully, but i meet some question. when i use generic_on_off to control light at short time(2s), the...
Hi,
On a NRF52840, I try to perform `x` SPI transactions of 3 bytes each using EasyDMA Arraylist feature fully controlled by hardware. The CS must be toggled between each...
Dear Nordic Experts, The firmware is based on nRF5 SDK for Mesh 5.0.0 with nRF5 SDK 17.0.2 and Softdevice s132 7.3.0. It runs on a nRF52832. When provisioning, it sometimes...
Hello, All
I am trying the scan_adv example, and use my phone to scan the advertising packet, unlike other peripheral examples, I found that it appears multiple time with...
ncs v1.9.1
Reference nrf\applications\serial_lte_modem\src\twi
This example does not see how to configure the pin.so how to config SCK and SDA Pin?
Thanks!!!
Is it feasible for me to use the 9160 as ble-host and 52820 as ble-controller using just TX and RX lines? (no request or ready lines) My setup is NCS v1.7.0, custom board...
I see that there is definitely support for where a user would cancel the USB host's request to suspend inside of app_usbd.c here's line 1246:
You can clearly see that it...
Hi,
I know that a GPS receiver can can use the Doppler effect to get an accurate velocity measurement. More accurate than the accuracy for position.
However, from my tests...
