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...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello,
I have a question about the best way of implementation.
The data will consists out of a struct with multiple pressure and temperature measurements coming from another...
Hi everyone,
I have this question to ask. So I am trying do make an end device that run on low power. I can see that there is an example about the sleepy end device in the...
Hello everybody,
I wonder if somebody could give me an example of an easy way to use saadc without using any adc_event_handler for sdk 15.
I'm trying to do it myself from...
Hi,
I connected an external MCU and going to run AT commands sequence by using serial port (UART2).
Can someone provide the sequence of AT commands to get fixed A-GPS...
Looking for advice on reading data from the BL654 UART RX pin which is getting a text data stream from an STM32 micro.
I tried the "peripheral_uart" sample app in Segger...
When "Zigbee Dongle" is successfully connected and communicated with terminal devices, if the terminal devices that have been successfully connected to the network are all...
Hi there
We are trying to modify the MQTT_Simple example to be able to send more info than the status of pressing a button and having a button pressed notification go back...
Hi, I wanted to merge two example projects: "ble_central/ble_app_uart_c" so I have central client application, and a "peripheral/ble_usbd_ble_uart" so I have working USB CDC...
Hi everyone,
Im working and learning for private project CAN bus sniffer which when receive some data trigger some relay...
I have mcp2515_can hw-184 board on which Im...
Hey all I've had some issues with the zephyr installation and have followed the steps for setting up the toolchain. When im building a project from the command prompt it fails...
Dear Sirs,
In my current project I use nRF52 and external ADC. I have to send 14 Bytes each 500us using UART to PC.
It is only one way connection where nRF52840 is transmitter...
I'm attempting to cause the watchdog timer to timeout and activate for a verification test. I'm using Segger Ozone as my debugger. My OS platform is Windows10. I cannot seem...
I wonder what external load (if any) can be connected to the VDD pin of the nRF52805. Reading the data sheet gives the impression it is for internal loads only, but I assume...
Hi,
Today I realized something interesting for our devices: The Update from an older Software Version build with SDK 1.6.X was on it and I updated via AWS FOTA to new version...
Hi,
I am working on the v1.7.0 and I am trying to connect two peripheral with the same services to a central. The first works without any problems:
When I unplug / disconnect...
