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...
Hi,
After building and testing separate HTPS and GPS examples, I am getting modem errors when combining both projects into one application. One of our goals is to send GPS...
I am experimenting with the UART example. I can connect the nRF USB port to the USB port of my computer. I used realterm to see the serial output. The example works as described...
Hello.
I'm migrating an existing project from SDK 15.3 to SDK 17.0.2.
I'm having trouble updating my build scripts, specifically merging the settings page + BL + SD +...
Hi,ALL:
As top:
1.When Compiling file NRFX_TIMER.C,it warns :ISO C99 requires whitespace after the macro name. AND :"APP_TIMER_V2" redefined。 and I only can find the APP_TIMER_V2...
Hi,
I am using 2 esb devices to test my packet send and received.
My use case is:
1. Node-1 and Node-2 is power-in in PRX mode
2. Node-1 switch to PTX and send a packet...
Hello guys,
I am new in the BLE world.
I am currently using a BLE Android application running on a tablet + nrf52832 communication with another chip through UART.
I...
I understand only the flash memory that stores the boot image is available. We need ca 32 Kb of persistent storage. How can that flash memory also be used for additional persistent...
Hi, all
I'm using nRF52832 pca10040, s132.
I successfully read peripheral characteristic using 'ble_app_uart_c' example.
However, I read once only when the connection...
Hi,
I am struggling to find out why my device will not immediately start my application after an OTA DFU upgrade.
I am using buttonless DFU on a custom nrf51822 board...
HELLO,All: When using SDK5 From 52840 change to 52833 ,There are some errors,as below: 1.Output/Release/Exe/ble_app_hids_mouse_pca10056_s140.elf section `.init' will not fit...
Hi:All:
A: Since I have getten help to make left/right button working well, but I just want to know the dataflow from the button being pressed to released. 1. It means that...