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...
Dear Nordic guy, I'm developing with nrf51822(6.0 stack binary and 5.0 sdk)
I have one question regarding clock.
As I know,automatically,stack go to the sleep mode(HF clock...
Hi,
I am trying to alter ANT/BLE relay example to work with multiple ANT+ channels (HRM and BSC), but the program resets after ant_xxx_disp_init() step for the second...
Hello,
I would like to use app timer based on RTC1 in order to wake up the MCU every X sec. The app timer seems to work correctly when the MCU is working. I use the following...
Hi everyone,
We are developing with Nrf52 and it's been a bit of a manual process for us to test our code, we use makefile so we were able to create a clunky system to...
I might need to use SPI and I2C simultaneously in a design, due to the fact that one of the components is only available in an I2C version.
Can the nRF52840 be configured...
Hi
We exposed NFC Type 2 functionality in our nrf52 a while back. Then the NFC SDK got refactored and I had to refactor my code to suite.
Now I am trying to enhance my...
Hi,
We would like to protect our product from people accessing the device via J-Link. We build our application with FreeRTOS. Can we follow this to set it before I start...
Hello,
I want to change data channels after provisioning, I follow devzone.nordicsemi.com/.../ here.
To set,
memset(&new_opt_config, 0, sizeof(new_opt_config));...
Hello Sir,
I am using nRf52832 s132, i want to write program which is automatically ON from sleep mode and after few second it will go system off mode for 1hr.
How i can...
Hi,..My device generated PWM square waves. I can program the frequencies and delays that is desired. but how to modulate current as per our requirement. I need the current...
Hello, I have recently bought a couple of boards from eBay that come with the nRF58232:
https://www.ebay.com/itm/Wireless-Bluetooth-Transceiver-Module-NRF52832-Development...
hi guys,
Can you please tell me what is happening when a smart phone trying to connect to nrf51822? Any event I could use? Would the connecting process has any impact on...
Hi,
I've just got my hands on this amazing little thing call Thingy 52. I have played around with the default app but now I'm struggling with flashing a custom firmware...
Hello,
I am trying to setup two Thingys with my node-red system and i have ran into some problems. The thingys respond to normal command line tools like gatttool, btmgmt...
Hi All,
I am new to Nordic microcontrollers. I am using keil uvision MDK lite version. After I have uploaded a source code and when i am trying to compile. I am getting...
