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 Uart Ble example of sdk , i want to write to Tx without UART can u please help me do it
i actualy want to send accelerometer data which is of size 40kb after...
Hi, I have added BLE custom characteristics in my application. I am writing and reading some values through ble scanner mobile app. Here i observed that when i enter string...
Hi,
I trying to use higher MTU size for my application and i have followed the att mtu throughput example. it is working fine upto 50 bytes packet size but when i try...
so, after getting it to compile, now i can no longer write to flash memory and i don't knwo why i am getting this error now. now sure if it is a result of nrf_dfu_flash and...
hi.....
i am interested in Mesh ,actually i want to understand the flow of mesh program (eg light switch example )how does it work,how it transferring from client to server...
Hi all,
In order to lower the power consumption of my device I have been experimenting with WFE. When using WFE I see that the interrupt latency is increased from ~4µs to...
Onl
I have 40 kb of data i need to send, and what i thought was using notification by creating a timer, which will be started as soon as device gets connected, in...
I am trying to interface with a I²C OLED display using Zephyr’s SSD1306 driver. The driver uses i2c_burst_write, which itself requires that i2c_transfer support gather writes;...
This is on SDK 15 : Not all services are reported when doing service discovery on more than one connection at a time.
Basically, ' ble_db_discovery .c' uses ' m_pending_usr_evt_index...
Hello, I am using the nRF51422 Development kit with SDK11. I am using the proximity application for the battery level service. I would like to strictly advertise to a single...
Hi,
I have an application where I have for example 5 BLE transmitting devices . Each device has one push button and each device is assigned to a number 1-5. I also have...
Dear nordic,
I am new in this open thread i tested your examples its working fine. i also tested CLI example i think its working but i didn't see a response in terminal...
I have a few Bluetooth transmitters based on nRF52832. My receiver devices are mainly iOS and Android mobile devices. I'm considering of replacing them with nRF52840 for Bluetooth...
Having issue with nrf52840 interface with sim808 for GPRS connection. I am trying to interface nrf52840 with sim808 using UART. But only AT and ATD command reply i can see...
I have a custom board with an application that works fine.
But when adding a secure bootloader my board starts to act weird. I am using the RESET pin on the chip as an input...
