How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
Hi all!
I want to check work of AES encryption.
Some code on 51822:
uint8_t aesKey[]= {0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x30,0x31,0x32,0x33,0x34,0x35,0x36...
Hi All,
I have a problem with the function sd_ble_gatts_hvx().
I have no return value when i call this function and i don't understand why ?
I have a function where...
I am running SES 3.10f on Linux. I have followed the Tutorials regarding Monitor Mode Debugging. I don't ever get the pop up box regarding the Monitor Mode debugging license...
Hi All,
My question is about available sleep modes in nRF51822.
As I can find in nRF51 Series Reference Manual, and Product Specification documents, nRF51822 chip has...
Description:
I am developing iOS app which will connect BLE and keep the connection till user don't want to disconnect. i.e we want to autoconnect BLE when BLE is in range...
Using Master Control Panel (MCP) with nRF51 Dongle PCA10000 v1.0
Segger is offering a J-Link firmware update - v6.10l:
Is this compatible with MCP? Is it safe to...
I am using RedBearLab Blend v1.0. I ran the HID_template and HID_keyboard_template. I can see the device in Win10 advertised as joystick and keyboard. Then I tried to modified...
Hello , i am going to use nrf51822 development kit ,but i am totally new for using it, i want to know that if i have development board and i want to see result but i dnt have...
Hello,
I need a little help regarding IoT-SDK 0.8.0 on nRF51.
In the MQTT-Example connection to the broker is established only when I press the button (callback), but...
Hi all,
I am facing issues when initializing and enabling the Softdevice after using the nrf_nvmc driver to erase and write flash pages. The project shall have the ability...
I am working with a MacBook Pro (El capitan) and the nRF51822 beacon and I need to measure the RSSI. I understand that the app nRF connect can do it, but the antenna on my...
Scenario is as follows:
NRF52 (SDK12.1, SD3.0) works in central and peripheral mode.
What happens is that on start we create a single shot timer with 4.2second to wait...
I write a function, It can read ok without BLE starting.
When I start the BLE , the function can not run.
So I think that , if I can use some function to stop the stop the...
Hi, all.
I tested ble_app_uart in example directory by PCA10040 board.
It works well.
printf ("UART Start!") in main.c works well. "UART Start" string cames out on putty...
Hello everybody,
I have a problem when I try initialize the ANCS service. The method ble_ancs_c_init(); from ble_ancs_c.h return the error NRF_ERROR_NO_MEM.
My configuration...
