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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi,
I am trying to make a project where one Bluetooth chip receives an audio file from mobile and another chip will receive it via serial communication and transmit ahead...
Will the nrf52811 I2C compatibility work with the I2C on the MLX90614 IR sensor. I need to make sure that they will work with each other without issue. Below is the datasheet...
I have DFU OTA application running on 52840 platform on a custom board. SDK v15.3.0. I use SoftDevoce S140 v6.1.1.
Then I need to port it to 52832 platform - SoftDevice...
I have used the NRF52 before, but we got a new need for it to be used with FreeRTOS. Usually I use the RAM_START and RAM_SIZE defines the set up the ram usage for the soft...
1. I tested the following AT instruction on ncs v1.3, returned OK, but did not return the subscription message, need to modify where to return the subscription message did...
We are using I2C bus for communication with a RTC and Accelerometer. But sometimes the I2C get struck in i2c_write. It does not happens always it may happen randomly. We are...
Hi,
I just spent several hours trying to figure out why, using a nRF52 dev kit w/ SDK13 + S132 on both central/client and peripheral/server side, sd_ble_gattc_read() was...
Dear Support,
I have a question about the IPv6 networking with OpenThread. I do have an mesh network with about 50 nodes (PCA10059) and implemented CoAP servers and clients...
I just downloaded SEGGER Embedded Studio (ARM V4.52c) and plugged in my rather old PCA10040. It offered to upgrade the driver, which I accepted. Now, when I click "Connect...
Hi,
Just installed nRF Connect v3.4.1 on a macOS Catalina and get the following error message when starting any of the apps:
I've tried both reinstalling and downgrading...
Hi,
I'm making a peripheral device that needs to minimise battery usage.
My device is essentially a beacon but it allows temporary connections to send a stream of data...
Hello,
I have purchased a new nrf52832 DK board for development. I tried to run some examples like ble_app_blinky which are working properly. But when I tried examples such...
Dear All:
Our team are ready to develop a project with multicentral and multiperipheral
The project topology image lists as follow:
I want to ask how many ram it will...
