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...
Hi i am new to learning Nordic SDKs and I am working on adding custom commands to a BLE example using Nordic UART Service ( here ). I tried to apply this concept over to the...
I sent the AT instruction back correctly with the serial tool sscom5.13.1
I sent the AT instruction error with the secondary function: at_cmd_write ("AT-CGDCONT?," buf,...
1. When using SEGGER Embedded to use Chinese comments, the cursor display will appear abnormal lying each time Chinese characters will move the cursor only half a character...
This is a voltage drop of 3.3V to ~450mV before decaying.
I'm using P0.02 (AIN0) on the nRF52840 on a custom board. This is my config:
My handler function is never being...
Hi,
I am working on handling multi-radio protocols like only 1 radio at a time. ( https://devzone.nordicsemi.com/f/nordic-q-a/63194/when-the-timeslot-extension-could-be...
Hi,
I am trying to disable writes to certain regions of flash memory. But different from the nRF52840 Product Specification, NRF_ACL is missing the DISABLEINDEBUG register...
Hello,
I'm trying to connect a bluetooth device (peripheral) with Web Bluetooth (central). I send an addvertising packet and I can see the device in Web Bluetooth but I...
Hi,
I just bought an NRF51-DK which I want to use with MBED. I need to download the CMSIS-DAP firmware for this board but cannot find it on the downloads page for this DK...
Hi,
i am trying to create a new model for mesh SDK 4.2.0 i am using nrf52832 please provide link or any document for creating new model, i found a link which is for SDK...
I have been using the nRF5 Mesh SDK for development and am in need of implementing single press, double press and long press on the nRF52832. I have seen the nRF5 SDK for...
Hi,
I get the error "[DFU] Remote DFU error: INVALID OBJECT. SD busy? Retrying...." when attempting a firmware update over Bluetooth.
The bootloader, application and the...
Hello,
I'm working on nRF52811, SDK16.0, Softdevice 7.0.1.
Using the pwm_driver example in the SDK, I'm trying to run a simple PWM for an RGB LED. Following is my simplified...
Hello,
I am trying to develop a product on a large scale. I need the last 4 digits of DEVICEADDR[0] as the advertising name for uniqueness. But I am not able to get it working...
I started working on power saving. I tried running the power_off sample from zephyr but there was no change in the current. The current holds the range 30mA to 32mA even after...
