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 using nRF52 SDK v16 and I am wondering where one can find relevant information regarding peripheral event handlers.
Here are a few puzzles I have for now:
...
the central(phone) connected my board,when i call sd_ble_gap_disconnect ,sometimes,not every,return err_code =0x00000008,and not firing BLE_GAP_EVT_DISCONNECTED,also not advertising...
Hello All:
I am working on the time service of NRF52. As I know, there are two standard profiles refer to the time service, one is CTS(Current Time Service) and the other...
Hi All,
I am doing a BLE Mesh development project with nRF52840. SDK version: nRF5 SDK v15.3.0 & nRF5 SDK for Mesh v3.2.0
Case 1:
- IDE: Keil
- Example tested: nRF5...
Hi,
Im working on a configuration where role switching is neccessary.
The following is expected:
- all nodes will be advertising when "idle"
- nodes only need to...
Hi,
When the ble_stack_init(); is called the eeprom flash read/write/erash gets hanged.
But when commented ble_stack_init(); the eeprom flash read/write/erash works...
I recently got a Thingy:91 and activated it. Now I am installing the tools to work with it in my system (Linux) following the nrf Connect v3.3.0 Getting Started Assistant...
Good day. Can I get SES free licenses for multiple devices while evaluating a single development kit or the free license can only be requested for a single divice?
Hi, I use the nFR52832 chip to design as the MCU of my prodcution, it has 8 scan whitelist for user. But I want more number of whitelist for my prodcution. So ,Could you tell...
I have set up the NCS toolchain, followed the instructions to update the JLink DLL in SES, and successfully built/flashed a few examples to the app core (ie. debug/ppi_trace...
I would like to send TCP message with 50KB message size. I saw that maximum size was limited by CONFIG_HEAP_MEM_POOL_SIZE which was 16kB.
Is there any way to send that message...
Hi,
we are experiencing unexpected behavior during sleep entry. Following pictures were taken using an oscilloscope, our device sends a radio transmission every 150 ms...
Hello,
I am trying to sample and reconstruct an audio signal using the SAADC and I2S respectively. I have a double buffer setup for the SAADC, where we process the data...
Hi,
I've noticed several times now when the NRF9160 comes out of a PSM sleep cycle that when a call to an underlying socket connect(), or nrf_getaddrinfo() call (whether...
