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. My application is scanning ble beacons for 1 sec every minute, and I want to store this data in an array to be sent every 10 min. I am getting the data in BLE_GAP_EVT_ADV_REPORT...
Hi,
I want to implement a Peripheral (GATT Server) that automatically starts notification once a Central connects. No bonding is provided in our system (connection is between...
Hi,
I'm in the early stages of developing a BLE peripheral device that requires the use of the CC310 CryptoCell on an nrf52840-DK board.
I have managed to implement a...
Hi,
I am following the midi service example: https://www.novelbits.io/bluetooth-gatt-services-characteristics/
To add a midi service.
I have added the code and build...
Hi,
I've been though some power profiling investigation of my application and incorporated the solutions discussed and here and the hardware solution discussed here but...
We are using nrf52832 in our design. It involves two nrf52832 with a bunch of sensors and one more nrf52832 which has cloud connectivity. We store the sensor information in...
Hi,
I'm trying to run the usbd_cdc_acm example from SDK 15.3.0 on the nRF52840 Preview DK. While debugging, the code was running fine until I connect the nRF USB, at this...
Hi,
Is it expected to get an EINPROGRESS error when calling nrf_connect() with NRF_O_NONBLOCK set. How do I know if the call was successful or not? Should I expect a positive...
Tested with PCA10040 1.2.4 bare board Chosen p0.11 as it seems to connect nothing (floating)
I would expect the code below always prints "<info> Main: [11] 1 1 1 1 1", no...
I'm working on a custom DFU bootloader using the Secure Bootloader example in the nRF5 15.2 SDK. My board only has one LED and, during DFU, I'd like to using blinking duty...
I am using SPI 2 (not SPIM) and just migrated my project to SDK14 from 13.1.
I kept getting "Wrong configuration" on compile, until I realized that on the nrf_srv_spi.c...
Hi!
nrf52832, SDK15.0, central side. S132.
I connect my nrf52 in HID mode to android smartphon Samsung А8+ Android 9.
In a log I see connect- disconnect with error code...
