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'm trying to quickly prototype a BLE radio tester and was thinking of trying to use the nRF52840 Dongle as the BLE central to simply pair and read a couple of basic...
Hello,
I have two nrf52832 own boards. First is BLE_central receiver, second is BLE_peripheral transmiter.
SDK 15, SD-140.
I need to pair specyfic transmiter with specyfic...
Hi Sirs:
I am trying to change a characteristic property from "notify" to "indicate".
And the example I used was SDK15-> ble_app_uart .
I have ref these document：
...
Hi,
I'm trying to implement the buttonless DFU service example for SDK 12.3.0 into my own project, but when I call ble_dfu_init my compiled .hex file becomes 10 kb larger...
Hi,
I am working on SDK-14.2 and after execution of code i get this two error mention below.
sd_ble_cfg_set() returned : Unknown issue when attempting to set BLE_CONN_CFG_GAP...
Hi I have implemented a controller device using nRF52832. The controller device is installed in an industrial control box where it is used to control relays that subsequently...
Hi,
This question might be a little bit off, but not to far off for this forum I hope.
I am considering the nRF52840 Dongle to gain a better understanding of a issue...
Hi guys,
I need to get MAC address of my device and put it into characteristic? Is it possible? And maybe someone can tell how to implement this?
Regards,
Konstant...
Hi:
I use heart_rate_collector project in pc-ble-driver ( https://github.com/NordicSemiconductor/pc-ble-driver/blob/master/examples/heart_rate_collector/main.c )to connect...
Hello,
we are studying component base for development Wireless Hearing Aid device.
trying to understand limitations and capabilities of your nRF51822 SoC.
1. Can...
When test the current in the WFE state.
If not use the DMA, the current is not exceed 0.1mA. And when have used the DMA, the comsumption is very high , the current is about...
Hi,
We have a custom board with nRF52832 QFABB0 chip. High frequency crystal used is 32MHz (Part No: ECS-320-8-37CKM ) with two 12pF load capacitors (Part No: 80-CBR04C120F5G...
