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'm using nRF52832, SDK13.0.0, S132.
First of all, I already know this Q has lots of Q and A.
But I'm so confused which case do I pick.
In my case, iPhone has...
I am a student studying zigbee. We succeeded in turning on/off the LEDs of zc_light using examples of zc_light and zc_switch. The question here is, where do you send and receive...
I am trying to duplicate a RF remote control which uses a Nrf24L01+ IC.
I have temporarily connect the SPI interface of my test chip to the SPI pins on the remote, and transmitted...
Hello guys,
I have already created the JSON file and checked it using the online JSON validator and viewer. Now, I am interested to figure out is it possible to use this...
I'm trying to pair my peripheral with the central using BLE.
In the central code (running on windows c#):
In the peripheral terminal:
the device in sending PM_EVT_CONN_SEC_PARAMS_REQ...
Hello,
I'm experiencing a disconnection problem on several BLE Mesh networks. My topology is 1 client with an average of 60 servers, for all networks. Client is connected...
Hi guys,
I have the same issue as coca1989 had 2 years ago . Did anybody found a solution?
I am using health model and simple message model. Client and Provisioner are...
Hi,
Iam working on a project based on Ble Mesh, Iam using nrf5_SDK_for_Mesh_v4.2.0_src. Iam trying to form a BLE Mesh network and control the light bulb. I went through...
Hello Devs,
I am facing an difficult time to write a custom opcode to a QSPI flash memory. where I am trying to read the manufacture ID, it requires send the OP code + Address...
Hi, We are looking for a Suitable wireless technology for Video transfer(Video Transmitter and receiver)
Main Constraint: - From Power Up-->Boot-Up time of Wireless transmitter...
Hello,
We are looking for a 2.4Ghz supported module with Programmable Frequency Deviation. Is there a product that we can consider from Nordic Semiconductor for this?...
Hi, We are working with integrating LoRa to our nRF52840 with BLE and FreeRTOS. To be sure that LoRa worked as expected, we configured and tested LoRa on nRF52840 dk and observed...
Hello,
I'm using nrf52840 and i would like to ask if it possible to use the I2C bus without external pullups. I mean, i would like to avoid using external pullups
is there...
I am using a NRF52840 DK with a SoftDevice S140 6.1.1. I have also flashed the secure ble bootloader on the device.
I have been using the nrfprog command line tools within...
