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...
When using the USB for logging date, I am able to see my file by simply plugging a USB connector; I can also view the contents of the file by double clicking on it. In such...
Hello,
I'm integrating mesh and freeRTOS and having problems with interrupts priorities on both sides. It's a little bit confusing to set the interrupt priority on each...
Hello there,
I am working on the iBeacon project.
I want to get the distance to 50m.
Now it detects 5-10 meters.
Soldermask on antenna
Project inspired:
Thanks...
nrfConnect for MacOS won't allow pairing of a BLE peripheral with a nrf51 based dongle.
nrfConnect Version 2.4.0.
dongle PCA 10031 V1.1.0
Mac OS version 10.11.6
A...
Hello, so I have a central and two peripheral cards that each send their counters to the central. What I want to do is compare each of the two counters. But there's a problem...
Can I use the ble_advertising module for the BLE_GAP_PHY_CODED ? Currently my Coded PHY parameters without the module are defined as:
Following the example at NordicPlayground...
Hi all,
I am working on an application where I have an application MCU and my idea was to use nRF52 as a 'modem' over serial API. The device I am making is supposed to be...
When nrf52 board and tablet PC connect, I set the tablet PC in sleep mode. Then how can I wake up tablet PC via pushing a button on nrf52 board. Maybe one event can realize...
Include other files in the ZIP file. Is it possible to include files that are not related to updating in the ZIP file of firmware update? I want to pass the configuration...
Hi all ,
I using sdk12.3 experimental_ble_app_buttonless_dfu project to development , below is my bootloader and project ram setting:
if I don't download the bootloader...
sdk12.3.0 In the ble_app_hrs_rscs_relay example, I added the uart_init function referring to the ble_uart example, but when I execute the APP_UART_FIFO_INIT () function, a...
My development environment is PCA10028, SoftDevice 130, SDK12.3.0
Two nRF51822s were mounted in one board One nRF51822 will be used as a TWI master and the other as a TWI...
It is said that ble5.0 can cover a range of 300m, I wonder how big is current when this is achieved? For 52840, the largest power output is 8dBm, for 52832, the largest output...
Hi,everybody!
I use nRF52832,supply volt 3.0V normal, program can be downloaded , run and debug,i ensure the program is accurately.To control a gpio P0.09,on the hardware...
