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 custom service using and nrf51822 device. SDK7.1 SD7.1
My security parameters are as follows:
#define SEC_PARAM_TIMEOUT 30 /**< Timeout for Pairing...
Hello,
I am running the UART app example in SDK 0.9.1 with the nRF52 and PCA 10036. I am using putty to send and receive messages, as well as the nRF UART v2.0 app for...
Hi,
I'm currently trying to determine the power consumption of my nrf51DK during different states of my program using an oscilloscope. To do so, I am using an external power...
We had been trying to use SD 7.0 with SDK 6.1.0, but realized our libraries were mixed up and not controlled very well, and we were experiencing occasional crashes where the...
Hello,
I'm looking to find a way to send a 32 bits number to the ledButtonDemo with the Master Control Panel (I have the Nordic dongle).
Indeed, I replace uint8_t led_state...
Hi,
I have a question regarding the NRF 52 boot sequence.
When we first receive it from Nordic, what are the boot options? Are there any other options to load a code on...
Hi,
I'd like to know how to set/alter passcode when pairing happens. I looked a few examples in Keil_v5\ARM\Pack\NordicSemiconductor\nRF_Examples\8.0.0\ble_peripheral but...
Hello everyone,
I am using the great platformio toolchain that supports the mbed framework so far. I am still a newbie to it however.
I want to be able to use both the...
Hi all,
If i have connect a band with my phone, then i let my band close to my notebook and let my notebook unlock.
Any suggestion about this?
Thanks in advance
Hello all,
I am working on the implementation of DFU OTA in our application, running on a custom board using the nRF51822-QFAC.
The tools that I am using are:
...
Hello!
I have a device with nRF51288. And I need to fill technical specification with the following parametres: operation freq., channel bandwidth, modulation, number of...
[Update 8/15]
Here's the file for the main part of my code: sensors.c . The sensors_start() function at the bottom is where the while loop and the print statements are located...
I want to send data to my android phone from Nrf51822.My compiler is mbed I use redbearlab NRF51822 kit.For example,I want to see on my phone "hello world".
Mbed Program...
Hi,
I'm using S130 v1.0 softdevice and bootloader (single bank) from SDK v9.0.
When updating an application, I always get a CRC error at end of the upload. I generate...
