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...
hello ,
i want to develop a smart home product in which i want to use the indoor positioning using Bluetooth 5.1 Direction finding, i have seen that the " nRF52811 " have...
Hello I working for TSS.se now selling 100.000 temperature-loggers annually. We aim to develop a new IoT based logger based on nRF52832 as a replacement.
We have developed...
I am trying to use a Raspberry Pi B+ as Bluetooth to Wifi bridge. But I find that the bluetooth range is very diminished when talking to my Nordic nRF51 and nRF52 devices...
Sir,
I have a question about the connection's power setting of the BLE.
I use the API as the screenshot, but there have a error return. I don't konw the reason, so I...
I am following Getting Started Assistant on Mac platform.
However, I run into an error when I issue: " pip3 install --user -r zephyr/scripts/requirements.txt ".
" ERROR...
Hello,
there’s a section in the NRF9160 specification (11.1) that calls out that VDD_GPIO should be applied after VDD has been applied on power up and VDD_GPIO should be...
Hi,
I am sending firmware image using my DFU master. The image needs to be divided into data objects each of 4096 bytes and then those again into 244 byte BLE packets. So...
Hello,
I'm trying to connect to nrf connect with the nrf9160 DK. I am using an Irish vodafone NB-IOT sim to establish the connection. This sim has an access control list...
Hi,
I have a question regarding a DFU update via BLE. I am using mesh sdk v3.20 and sdk v15.30 with custom hardware (nrf52840).
I have the BLE DFU working as expected...
Hi all,
I am using mesh sdk3.20 and sdk15.30.
I noticed that with the buttonless ble dfu, it is not possible to perform a DFU transfer after the device was provisioned...
I did the program using examples of glucose. But I do not want to enter passkey from central. Because there is no LCD or UART in my device. Which part of the glucose example...
I am developing firmware for my Peripheral Device (nRF52840) using S140 (v7) and SDK 15.3. In my application, I will advertise (with advert payload changes) and support Smartphone...
Hi,
How much is the expected time period from the time VDD goes above 1.75V to main()? I am using a custom bootloader and am seeing a ~4.5s (yes seconds!) delay in getting...
