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...
Hi, we are developing an application using USB with NRF52840. We want to connect to the PMID of our battery charger, which will have either USB voltage or battery voltage...
We are using nRF52832 on original PCB board.
We are trying ADC at single-end input, 10 bit resolution, reference voltage is internal 0.6, gain is 3.
We are using regulator...
I would like to update my advertising data on the fly but actually it doesn't work. Many many posts talk about this behaviour, but no working answers .
Before SDK15, we...
Hello there!
My project use comparator, timer capture and pwm to measure capacity of line.
The purpose is to encounter open circuit condition. So this does not require...
I'm trying to use an iPhone as gateway for nrf Cloud. The user is "Verified" and the "Gateway Name" is the same in the app as the only gateway I have in the nrf Cloud. But...
Hello all,
We check the custom board with nrf52840(BL654) , but it's hang PC and devices when connect the PC.
When the hang on my pc , we checked windows system event...
I'm using SDK 15.0.0 on nRF52832_xxaa.
I'm currently using RTC1 as a low frequency timer to keep track of time elapsed while my device is sleeping. This works well and I...
Hi,
I modified the UART example to work on different pins i.e. pin 17 and 15 on custom board. When I use printf() to print logs, it works. If I use the NRF LOG to print...
Hello,
I am trying to build a small voltage stimulating probe for a research project I am doing. I was going to originally use the Rigado BMD-350 which includes the nRF52832...
Hello,
I am trying to connect my nRF52 DK to my phone (apologies not desktop) and perform a DFU OTA via the nRF Connect app. I'm using SD132 6.1.1, and uploaded the secure...
Hi,
I am using NRF52832 with softdevice s112 and SDK 15.3. I have 20 bytes of data which I want to retain in RAM during system off. I use the following code so that the...
It happens on a new board. It is possible that an HW problem occurs (Xtall), but how to debug it? How to know if Xtall correctly runs? The same code runs correctly on another...
hi ... i am using nRF52832 ,i want to save the battery so i am planning to use system off mode . how to wake up the device from system off mode using threshold value or either...
Hi,
I'm using the "pc-ble-driver-js" to implement a central on PC, trying to send a file through a Write w/o Response characteristic to a device. It's OK for a small file...
Hi ,
I am trying to merging 2 application hex files for example : usbd_pca10056.hex and ble_app_hts_pca10056_s140.hex using mergehex tool.
I could merge the hex files...
