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 am using "ble_app_hrs_rscs_relay" example and modified it a bit by adding NUS service and FDS. Everything is working fine with mobile app and nrf dongle. How ever when I...
Hello,
I am trying to setup my project's architecture and I am trying to take advantage of some of the awesome libraries in the SDK. I am a bit confused on the differences...
I ran into an issue using RTT on recent SDKs: In SDK15.3 and up RTT stopped working in Segger Embedded Studio. Here's what I found in case others are having the same issue...
Hi,
We are having single Main supply VDD to nRF9160 SoC, which is powering both CoreM33 and Modem.
So this indicates Modem will be always ON when Core M33 is ON.
Is...
Hi everyone,
Following some tutorials as well some examples provided by SDK16 I was able to create a custom service with a characteristic that has read,write and notify...
Hi All,
I am using NRF5 SDK 17, I have been playing with several examples and noticed that when it comes set up, a peripheral or a priority or clock source there will...
I started modifying the NRF Android Blinky example project to suits my needs (to control a servo motor). I observed there is a BIG delay between writings to a specific characteristic...
Hi guys,
Is it possible to read the data in Minicom if my device is not connected directly with my laptop. Instead of that, I connected my external voltage source to supply...
Hi, I am using the nrf mem_manager library for allocationg multiple dynamic memories in my code. I have done the following
All the devices are getting the allocation for...
I am using a custom board based on nRF52840. Application is working perfectly, and then a new feature was requested. I need to count the number of minutes the application...
Hello guys,
We are developing a device that will based on nRF9160 SiP. We use nRFConnect SDK v1.3.0 . The goal would be to connect to AWS IoT through MQTT and exchange messages...
Hi,
In one module of an application I would like to statically declare a large buffer in SRAM: static uint8_t largeBuffer[65536];
The application fails to link with the...
Hi,
I have been implementing the GPS on my thingy:91 with the firmware v1.2.0
I'm able to do a cold start and get a FIX is if in do not move the board for around 100...
Hello,I am using SDk14.1.Sometimes w hen I send data to nrf52832 via serial port,the code prompted me "APP_UART_COMMUNICATION_ERROR".And t he value of the ERRORSRC register...