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...
ble_ant_app_hrm.rar Hi!!
I want to design dual mode(BLE UART +ANT) but unfortunately I can not built it well.
Can anyone tell me what kind of function or parameter? I based...
Hello,
I am using the nRF51 dongle to try to observe the packets sent between two soft devices. I have inserted the dongle into one of my PC's USB drives and am holding...
I'm running s120 v1.2 & SDK 9
My application will connect to, up to 8, known peripherals. If the connection is dropped or not established, my central app will try to continue...
By trial and error, I notice that I can only write 20 bytes to a characteristic, no matter how big I make ble_gatts_attr_t.max_len. A little googling reveals that this is...
Hi,:
I run my application program by nRF51822, about S110 V6.0 and SDK 5.2.
When the program run servial cycle functioin , it is work normail.But sometime, nRF51822 sysytem...
Dear
The BLE Multi-link example (ble_app_multilink_central and ble_app_multilink_peripheral)
shows how one central device can connect to multiple peripheral devices. ...
Hello Guys,
I'm about to start my first BLE iOS project and I was wondering if there are any compatibility issues or anything that I should be aware between nRF51822 and...
im running on mac with eclipse and tried to use debugger prints, but the don't show up in the console.
Same goes for printf and uart.
Is there a flag in the makefile preventing...
Hello,
I am checking to see if it is possible to use app_twi_perform() to transmit TWI transactions that have a High Write bit. I have changed the polarity of APP_TWI_WRITE_OP...
I'm developing an embedded application using the nRF52 device. I am using GCC to build the C software and a segger flash device to program the nRF52, all using linux. I wish...
I wrote this code found in an example and it works fine:
#include "nrf_drv_config.h"
#include "nrf_drv_timer.h"
//Before I activated TIMER0, TIMER1 and TIMER2 in nrf_drv_config...
Hi,
I am using eclipse IDE and gdb to debug and flash applications onto nrf52 dk. I wish to be able to print data and messages to the eclipse console. I work on mac OSX...
I'm trying to send data over UART... started off using the examples from the SDK.
When I run the code on the dev board, I can get it working. When I load the code onto...