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 working on a nRF52328 present in the Taiyo Yuden EYSHJNZXZ module. I am using a J-link EDU debugger to program it. Can I use the J-Link for UART communication with the...
I am developing an application in which my device will have multiple android phones connected to it. Currently I have it working with one peripheral and after having upgraded...
Dear all,
I am working on one sensor project(temp and accelerometer sensors) where our Nordic nrf51822 soc should read the data using spi protocol and transfer it to the...
Hi, im using nrf 52 DK. Im currently working on BLE UART example. I need to send int16_t data type to my smartphone's nordic uart app. But i cant. I was using the function...
Hi,
My project is reaching the stage now where we are looking at getting a contract manufacturer to start making our devices. I was wondering what Nordic suggest for programming...
First, obviously error message is not correct, dll's are not used on linux. Message should give correct file name instead of prewritten one.
I have installed latest JLink...
Hi,
I'm trying to implement a custom bootloader update on the nRF52840 using SoftDevice s140 and SDK 13.0.0. With my new bootloader staged in a scratch region of flash...
Hi,
I have copied BLE Thermostat code from ARM mbed : developer.mbed.org/.../
As this code is on mbed 2 platform, i am trying to run it on embed 5.0. Getting below error...
Hello:
I dont seem to understand what the problem is. I have 2 external ICs, one is an IMU and the other is a CDC. Both have interrupt pins connected to the nordic nRF52832...
Hi All,
I am working on a project where i need to use a SPI 128x32 OLED display and a SD card interfaced over SPI to nRF52840 along with BLE. Although, i tried this with...
Hello,
I am developing a BLE app in which I need to print some logs to UART and recive some data from UART to my app.
Which modules should I use?
When I use logger...
my question is how to change the uuid in central to connect to peripheral and i want to send 20 bytes to central device using this uart_peripheral.
first of all my connection...
Hey,
I want to read the value of characteristic of conneceted peripheral. I'm using two BLE modules, one is peripheral and one is central. I connected with central to peripheral...
