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...
I have done this in the past with no problems using Chrome or Firefox.
But for last couple of posts, I have not been able to add attachments. It allows me to select my...
Description of setup/problem.
1 PCA10056 is defined as Central
1 PCA10056 defined as Peripheral.
I have used the “ble_app_uart_c” and “ble_app_uart” examples as starting...
Hi,
I am using SAADC with multiple channels in my application and I discovered data order does change after a debug-break.
To reproduce I used the saadc example from the...
We have an nRF52840 setup as a slave to communicate with a motor controller. I connected a logic analyzer to the lines to confirm the data being sent across. There are 18...
I am testing several phones with a specific App that I connect to my nRF52832. Some phones pair nicely but others do not pair as expected. They display two pairing requests...
I am looking for some sample code, showing how to send cloud -to- device messages to a device from an Azure IoT hub using topic direct method requests $iothub/methods/POST...
Hi,
I am working with the nordic thingy91 on a windows PC, and am noticing unstability regarding the USB serial port. That is:
- After a while, there is no data coming...
I refer to this guide to add dfu to peripheral_uart. The program runs on nRF52840DK.
1、prj.conf
I added the following macros.
CONFIG_MCUMGR=y CONFIG_MCUMGR_CMD_OS_MGMT...
For reading ecg data must synchronize GPIOE interrupt every 4ms,i want to creat a hardware timer with period 4ms, in this timer cb, take semophere gived by GPIOE interrupt...
Hi team,
I want to make simple communication between NRF52840 dongle and mcp2517 CAN FD contoller using SPI. I do not understand, how to send and read values to and from...
The initialized struct "nrf_fstorage_t" for use in nrf_fstorage_init( ) temporarily includes the application and bootloader (just for this test)
start address is 0x2'600...
Hi,
I have setup a provisionner with the sdk example that can provision devices. For that the provisioner scan unprovisioned devices and can start a provisioning process...
