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...
Hello everyone,
When i get message from uart, i need to update my custom service's characteristic. I tried the code in the below, sd_ble_gatts_value_set function gives...
I have to connect more than one nrf-51822 dk and send theirs RSSI level, because i need to knows their posittion. Somebody could help me? Have some example similary to what...
I am using the nRf52 device with FreeRtos and SD132 version 11.0. The configUSE_TICKLESS_IDLE is set to '1' to allow the device to go to sleep. After the OS is started - there...
Hello Nordic users and employees,
I'm having a small dilemma. The device I'm building runs on the nRF51822 and needs to store a small number of bytes off to the side and...
Hello, it is to my understanding that profile & service do not have fixed forms. Services make up profiles and you can choose how many and what services make up a profile...
I I'm running the ble_app_blinky example under pca10028 on the nrf dongle pca10031 using sdk11. The dongle disconnects after 24 seconds. Can anyone point to me what is the...
A typical classic or BLE get paired with the phone/central, and normally the central can decide to forget/unpair it. In this case, the device (nordic chipset) which previously...
I had created application with enabling the UART service(as in Ble_uart_app example) and tried to update the Rx characteristics of UART service in connectable mode through...
I'm sending a write authorization reply using sd_ble_gatts_rw_authorize_reply() in response to a standard Write Request with one byte of data. When I set the gatt_status to...
I am currently dealing with a strange problem when trying to use DFU OTA. When I enter DFU mode on Master Control Panel and try and update I get the following two error messages...
Does anyone have a working copy of ble_cps.c\h
The BDS (version 1.0.2095.0) plugin (v.1.2.4) does not generate code that compiles under IAR EWB
IAR ANSI C/C++ Compiler...
Hi there, I'm definitely a newb when it comes to wireless communication and communication protocols so I'd like this question to be answered at a higher level than what I...
Hello,
I am implementing a central which is scanning for advertising packets using s130, SDK11, nRF51822 and based on example ble_app_hrs_rscs_relay.
I get the advertising...
Hi,
I'm trying to porte my code from micro_esb to nrf_esb. My need is to know when a frame with correct address is received. This frame don't need to be valid just received...
