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 everyone!
I'm trying to build a project of gathering the information from several temperature/pressure/humidity sensors and sending it to one display.
Sensors will...
Hi, I've tried to set BLE power to max but an app error is raised when I use the sd_ble_gap_tx_power_set function. Parameters should be wrong but as far as I've read over...
How do I align UART transmission/reception with GPIO pin signaling low/high? I wanted to do this because BLE chip is receiving the Product ID & device name from microcontroller...
Hi there,
I was used IAR to compile my source, and combine with bootloader and soft device, and it was always work fine.
Now I have changed my compiling tool to SES IDE...
Hi there,
I am developing an application using an nRF52832, nRF5_SDK_12.1.0_0d23e2a and Softdevice s132 v3.0.0. The BLE part of the application involves sniffing advertising...
Hi All
On my NRF52 device I want to return my own error code after a mobile application (android) has written some data to my custom characteristic. For that I consider...
I am trying to get 2 of the nRF52840 dongles provisioned on a mesh network (client + server). (versions nRF5_SDK_15.3.0_59ac345 / nrf5SDKforMeshv310src)
I am using examples...
Hello
I'm using the NRF52832 with softdevice 132. My SDK version is 15.3. My platform is WIndows 10.
I am having trouble configuring the TWIS. I've followed the instructions...
Hi,
Here's the setup I currently have: nRF52840 SDK 15.2.0 s140 6.1.0 softdevice Secure Bootloader pca10056_usb
I'm trying to update the mbr_params_page (0xFE000) from...
I am new to the Nordic stack, and I have developed an Arduino outdoor prototype using an nRF52840 communicating with another ESP32 (BLE + WiFi) gateway. The project is used...
I use timer+ppi+pwm model.my init code like this
I use some code to close and open PWM ,like this
question:I use oscilloscopes to check PWM, I find that when I start...
Hi all, I want to work with Coded PHY on Bluetooth 5. I tried to change lines on mesh_adv.c file like below, but i getting this error : app_error_weak.c, 119, Mesh error 7...
Hi,
I modified template example and now I am trying to add usb cdc. The applicaton results in Fatal error .I found that nrf_drv_clock_init() works fine but nrf_drv_clock_lfclk_request...
Hello,
I am having difficulty getting the AT Host operating on the DK. I have DK version 0.8.5 and updated my libraries from github (in anticipating of evaluating the GPS...
I want to handle at command in main.c file. How can you do it?
For example, how can you send "AT+COPS?" and received return value?
I tested simple_at program below, but...