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 am using the SDK examples with the softdevice. I want to know how is the hop sequence determined. From what I understand the channel map for two devices to communicate...
Hi,
We have a product developed which will be in continuous advertisement mode for life time. Now we wanted to make our product advertise only after it detects a valid...
I saw something in the list that might help but I have learned that if I go there I lose all the work I did to get here
I am having major problems with Segger Embedded Studio...
Hello! I'm working on a project communicationg using two BLE devices (central and peripheral). On the central side we want to scan and connect to a peripheral that advertises...
Hi, all
I'm trying to write/erase data to flash memory (nrf52833, pca10100)
I want to erase only 4 bytes.. Is it wrong to define like this? I guess '4' value's unit is...
I am creating a smart toothbrush (inputs gyroscope and accelometer data and outputs teeth region). The smart toothbrush has an IMU that collects 6 readings (3 gyroscope and...
Hi guys,
I am using nRF5 SDK for Mesh v4.2.0 and I implemented this simple message model which can enable the communication between LPN and server node. After my nodes are...
Hi everyone, I see in nRF5 SDK 16.0.0, a Button/Led/Timer assign for handler, like that: bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler); Or: app_timer_create...
Hello,
I was working on buttonless dfu feature. I add buttonless dfu service as shown as ble_app_buttonless_dfu example and i manage to perform a ota dfu on nrf52 devkit...
Dear Sir.
Moving to version 2.4.99 from version 1.2.0 .
In previous version SPI worked well , cs was configured in overlay as
&spi3 { status = "okay"; compatible...
Hi,
I was evaluating FOTA on nRF5340 as possible upgrade to 52 series. All went good which I'm happy of.
However application size is limited roughly to half flash size...
Dear Community;
We are trying to send data via Lora using a nRF9160. The Lora transreceiver we are using is a RFM95W(Semtech SX1272). There are samples of code to receive...
Hi all,
I'm trying to set up my nRF52840 Dongle as a BLE Sniffer. I've followed the setup instructions from "nRF Sniffer for Bluetooth LE-- User Guide" v3.2, and I'm using...
