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 seeing the same issue as this question , but I'm on SDK 13.1, which has a different peer_manager.c, so I can't directly use the fix for that question.
Like the other...
Hi,
Scenario:
Two nRF52832DK boards on a table, approx 20 cm from each other, +4dBm output power.
Payload length is ~60bytes.
Running at 1Mbps gives me less than...
Hi,
assuming I have an IMU sensor with 3 different interrupt lines. And I want to start a TWI DMA transfer for each interrupt line in parallel. Is this possible since there...
Hi all,
We are starting new project, the aim of the project is control street lights through web site by using gprs connetion.
The key requirements of the project is...
Hi
I finished preparing the nrf52832 board to use ppk and measured it with ppk.
I am trying to repair the nrf52832 board.
However, I do not understand the contents of...
Hello,
I'm porting the nRF8001 SDK to STM32 using HAL (CubeMX). Communication seems to run fine, however, the setup stops with CRC error. See abridged the logical output...
Hello everyone.
I am developing with nRF 52832.
However, when I call UART_init() function. my source code outputs an error message.
source code is under the line...
Hello, i'm using a nRF52840 on a PCA10056 and want to wake up from __WFE() with a minimum delay. When i'm using the debugger, i achieve a low latency but without the debugger...
Hello All,
We are working with one of the customer, where he is asking for range 200 meters between 2 nrf52Dk(nrf52832) and he want us to prove the same using two development...
I am trying to use the cryptocell in the bootloader (bootloader_secure_ble) for verifying dfu packages, but fails in signature verification for the same dfu package, same...
Hello,
I am designing the NRF52832 based board.Specifications of capacitor in reference design is as follows:
0.8pF, NPO, 5% tolerance
But with my vendor these two capacitors...
I am designing nrf52832 based board. In matching, 3.9 nH inductor is given.
I have selected the componenet with following specifications :
Specifications of inductor...
Hi Everyone
I am using nrf52832 development kit , sdk 14.0.0 with iar and i am trying to merge the ble_app_buttonless_dfu and ble_app_uart code.
I have done the changes...
Hello guys.
I am able to save an array to flash memory unfortunately I can not save a struct in flash. I am referring to this question Save struct to flash . However I...
