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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi guys,
i was testing the connection speed from android in conjunction with advertisement time to see what will work better in my production code.
The result were:
...
Hi, Forum.
I want to make uart_bootloader without softdevice. for this, I want to prepare keil project.
I tryed this but I have some problems.
Basically,
My bootlader...
Hey there!
I am trying to switch from Keil to Eclipse.
I have followed several tutorials on this website ( like this one ) and I can easily create new eclipse project...
Hi,
I use the SDK9.0.0 S130'DFU project in the parth of pca10028\dual_bank_ble_s130\arm5_no_packs\ for testing.I found S130'DFU code is different compare to the S110 of SDK6...
Hello,
I am using MDBT40 ( www.raytac.com/.../MDBT40 spec-Version A5.pdf) in my project. Also I am using arduino IDE to create .hex file for MDBT40 using this reference...
I have the nRF52DK board and I am using that to reprogram the Sparkfun breakout. However, initially, I was using the Sparkfun Beefy UART device to flash the nRF52832 to begin...
This message appears :
Field 'BLE_GAP_CONN_SEC_MODE_SET_OPEN(&hrs_init.hrs_hrm_attr_md.cccd_write_perm)' could not be resolved
but the build and flash were successed...
I have enabled Timer 2 with 31250Hz frequency. I wanted to call an interrupt after 10ms, ie 312 ticks for the timer. But the interrupt is not getting called, I have spent...
Hi Folks,
I have a quick question about the Beacon kit. I'm working on a project that is going to use Windows 10 Hello companion device framework to build a Windows Lock...
is there a tutorial for Ble ECG program and configuration using nrf52832?
I want to make integration from heartbeat sensor to nrf52832, make nrf52832 connect to computer...
I use SES 3.12 in mac os x.
I followed this post .
I added ../../../../../../components/device into User Include Directories in Project - Edit Options... .
But I got...
Hi,
I am trying to connect to a peripheral device but keep getting the above error on DB Discovery.
I am using the nRF52832 on a custom board with S132 and SDK 13. ...
As I know, BLE Advertising on 37, 38 ,39 channel and I can select which channel to advertise by masking them.
But, Is it possible to make an data connection to a channel...
