Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
Using the BlueZ Python example in BlueZ /test/example-gatt-server with the dongle nf52840 will fail with " Failed to call gattsExchangeMtuReply (NRF_ERROR_INVALID_PARAM)"...
I have attached the code.
I would like to compare one of the external inputs to an internal reference. Is there anything else to do to make this work? Maybe configure the...
Hi, I'm having trouble transmitting packets with GTS enabled using Nordic's IEEE 802.15.4 MAC library. I don't have an isolated sample app I can post yet so I'll just describe...
I use the example "ble_app_hrs" in the pca10040 dk, and use iphone system app "health" to display the heart-rate.
I tried this in several iPhones(such as iPhone X, XP, 8P...
Hello all.
I purchased an nRF52840 Dongle to learn about BLE. I initially installed nRF Connect v2.6.0, installed the "Bluetooth Low Energy" App (v2.2.1), and successfully...
I have couple of nRF52-DK boards which I think got damaged by accidentally getting reverse voltage.
I have tried to analyze and detect which part would have blew up by testing...
Hi,
I have successfully done one publisher and one subscriber example by using mosquitto broker on raspberry pi and 2 nrf52832s. What I want to do is that I want to send...
Hello, I have a very basic question:
Are Bluetooth nRF5x products compatible with other manufacturers? For example, can I have an nRF51 dongle communicate with a Microchip...
There are two APIs in SDK 14.2 to access the nrf52832's AES core. What's the difference in behavior between the two?
I noticed that nrf_ecb_crypt() has a useful return value...
HI:
I Select the SDK11 as my BLE master.
" nRF5_SDK_11.0.0_89a8197 \ examples \ ble_central \ ble_app_multilink_central \ pca10028 \ s130\arm5_no_packs ".
I Select the...
Hello,
I use NRF52832 and nRF5_SDK_15.2.0 for our custom board.
Also, FreeRTOS(Tickless IDLE is enabled) is used. And, System ON mode is used for sleep mode.
Now,...
Hello,
I am trying to send data from nrf51822 through UART TX to esp8266. I've gone through the app_uart examples and I can recieve data through RX but having difficulty...
Hello,
First, I follow this tutorial --> https://devzone.nordicsemi.com/tutorials/b/bluetooth-low-energy/posts/ble-services-a-beginners-tutorial . It's working well on the...
Development Environment: Segger Embedded Studio 4.16
Debugger: Segger J-Link Lite/ Segger J-Link Pro
Debugging a custom nRF52810 board using SWD interface.
I am experiencing...