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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello,
I have been modifying the examples ble_app_uart and ble_app_c_uart to include direction finding. I perform the connection via scan and advertising and then establish...
I am working through setting up device overlays and am struggling a bit. In some part because I can't find consistency in naming or location or anything. My goal is to set...
Hi,
I have used a Joulescope DC energy analyser to measure the current and power consumption of the nRF52833 DK. I took measurements to see how different TXP powers and...
Hello, I am working on direction finding connectionless locator/beacon (AoA). I ran into a problem in the locator. Everything works fine until "Waiting for periodic sync....
Hello Devzone,
I'm developing a Zigbee gateway using NRF52840 and ESP chip for wifi. NRF52840 it act as an coordinator.
I'm using nrf5_sdk_for_thread_and_zigbee_v4.2.0_af27f76...
Hello All,
I have a problem when I build my project from sample central_uart & peripheral_uart .
I have two nrf5340 called A and B . B scans the broadcast to A to establish...
Hi，
Application core can run serial port printing. then creat copy to net core ，Burn separately to the each core can work fine。Then I merged the two projects into one, and...
I have been attempting to install nRF Connect SDK on macOS for several months without complete success. You can check my prior tickets for details. Nonetheless, I have recently...
Hey!
My current setup is using an Android tablet ---- BLE ----> MCU1 (nrf52840) ---- BLE----> MCU2 (nrf52832)
I'm setting the MCU1 to act as both a peripheral and central...
Hello,
I'm trying to evaluate using the zephyr hci_usb sample as a temporary solution to connecting to several ble sensors. I have modified the prj.conf to allow multiple...
I used the nRF52840 SDK 15.3.0 dfu secure_bootloader uart example to develop a custom bootloader. I have checked that my application file is correct by trying it without the...
MCU: nRF52840
IDE: Keil uVision 5.17
SDK: 15.2.0
Board: Custom
OS: FreeRTOS
Using MicroLIB
Hello,
I am currently working on a FreeRTOS project that leverages...
Hi,
Based on the below extract:
"Because older devices that don’t support Bluetooth 5 will not be able to discover extended advertisements, an advertising set with legacy...
Hi, I am currently using the PPK2 for current measurements.
According to the datasheet, the PPK2 supports a maximum source voltage of 5 volts. However, my device requires...
Hello
we are certifiying our product by ISO 13849-1 which includes the Nordic nRF52832, among more information I would like to start with the following questions
1. where...
