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...
Hi,
I am trying to update from SDK 1.3 to 1.4 and struggling with crashes. COAP uses random number generator to generate new tokens to the header. First time when this...
Hello,
I use the default ble_template application from the SDK and download a BLE custom service template from here to add it to the template code (as described in the README...
Hello,
I have a fully functioning project using the Fanstel BT840 chip which uses the NRF52840. I am running the code using secure Buttonless DFU and the S140 soft device...
So, I am developing an application where I will use uart to transmit some data from the PC to the nrf board. The issue is that the data I am transferring is quite large (64KB...
Hi,
I'm trying to get the UUID from my nRF52840 with my Ionic Angular App without connecting to the device.
For this I'm using the Bluetooth Low Energy Central Plugin...
Hello,
My company is developing a wireless battery powered product based on the nrf82533 which we would like to be able to update using secure DFU over BLE using nrfutil...
Hi,
We were trying to setup a device in Canada with carrier 'Telus'. We are able to connect to network but our connection to the cloud seems not happening( HTTPS, MQTT)...
I am adding the secure DFU bootloader examples/dfu/secure_bootloader/pca10056_s140_ble/ to my existing BLE UART peripheral project. I am using SDK 16.0.0 and nrf52840.
I...
Hi,
We are working on the customized board we used your reference design of nRF52832 . My question is what is the output voltage of swo_d pin in the fresh pcb without...
Hi,
Working on ble_app_uart pca10040 with nRF Toolbox app, getting disconnection issue very often. attached screen shot for your reference.
using PCA10040 nRF52 Development...
Hi everyone,
My hw/sw configuration:
- nRF52840 - sdk 15.0.0 - softdevice: s140_nrf52_6.0.0 - bootloader + softdevice + application
We're in production stage and we...
I've implemented secure DFU which works fine. However, if a user was to do something like quit the App or disable Bluetooth during DFU, or another fault occurred, because...
I am creating an original service using the example of Multilink Central.
I'm trying to reference an LBS to send data to a particular peripheral.
I tried to send using...
Hi,
I have a NRF51802 custom board, using sdk12.3.0 and softdevice 130 for my applications.
I would like to generate hmac sha 256 in my application.
Can you please...
