Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
I wrote two applications, and both will never know what application starts first. So I design a handshake that works something like this.
receiver
Set to receiver, look...
Recently I've been doing GPS field test using DK v0.9.0. I'm using chip antenna on the board and SUPL data.
modem fw v1.2.0 ncs v1.3.0
The result is
- Quickly fix a...
Hi all,
I am using the nRF51822 t develope a trasmission between the chip and my phone. Usually I want to send the data coming from the 8 ADC.
I am using the sofdevice...
Has Nordic provided a formula to calculate the average current using BLE based on the number of packets to send ?
My simulation on the Online Power Profiler for BLE just...
Hi,
I ma upgrading from nRF51(nRF51822-7.1.0SDK with mbed) to nRF52(nRF52832-17.0.0 SDK with SDK-OS) . The issue is that the sample nRF52SDK(17.0.0 SDK) used doesn't contain...
Hello,
I have 2 nRF5x development boards:
nRF51422 PCA10028
nRF52832 PCA10040
I wanted to learn the BLE basics such as pairing, advertising, scanning, etc, using...
Hello,
I am updating my application from older SDK 15.0 to use SDK 17.0.
In a newly added file in the SDK: nrfx_nfct.c - there is a definition of:
#define NRFX_NFCT_TIMER_INSTANCE...
Hello! I set-up my Thingy:52 devices, using the nRF52840 Development Kit, according to the GitHub tutorial .
Now, I would like to understand more about the communication...
I have an issue with attempting to test an encryption on a sample data made in that function and then called in int main(void). What happens is that during the debug the CRYS_CHACHA_POLY...
Ive Used GSM Modems for M2M data comms and would like to use the Nordic nRF9160. I dont want to use a Thingy or any development boards just need to get straight on to designing...
Hi I noticed that all of the examples use common/src/app_level.c Why is that? Is it recommended to not implement your own generic_level callback for example?
Hello,
I was downloading a project to the flash memory using J-Link SDK and I am having this messsage:
JLink info: ------------ DLL: V6.80a, compiled May 29 2020 16:27...
Hi,
I tried connecting the thingy91 out of the box and it was working fine, sending data to nrfCloud.
Now I tried to build the asset tracker application on my own and...
Hi All,
I am facing the issue with sleep current in nrf51822. initially i checked the sleep current 11uA. but after one hour it is increasing to up to 390 uA gradually....