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...
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...
Hi everybody,
I test the pstorage library. But it didn't work. I print the result with uart, as the image shows. But as you see, It has some problem. And I have no idea...
Hi sir
If nRF51822 unexpectedly enter DFU OTA mode, did boot loader have timeout counting to exit DFU?
Besides, if nRF51822 entered DFU mode and didn't update new firmware...
Hi all,
This 60-second limit is not enough for us. Our application is 48 kB & takes 35 seconds to upload. It should be enough, but the problem is that our iOs app does...
Hi All,
I use S120 device to monitor advertising and output the mac address,RSSI information via UART to PC terminal. The PC terminal can receive data continusly from the...
I found ble_dfu.py referenced in some posts to help automate the generation of an application.dat metadata file used (along with the application.hex file) to create the input...
in the code below, the keil IDE is flagging with red squiggly APP_BUTTON_INIT, claiming that it is an undefined symbol. It also says that this implicit declaration of 'APP_BUTTON_INIT...
Hello all.
while trying to calculate the data rate from bluetooth low energy , i have two questions
Is there a possibility to measure the data rate by using nrf sniffer...
I have an algorithm which does quite a bit of number crunching. I'd like to know how many clock or instruction cycles this algorithm is using. How can I get or calculate the...
Hi all,
I am not sure what to do now. I have been trying to get the s130 working with the device manager. I tried using github.com/.../nRF51-ble-app-hrs-s130 with sdks...
Hello,
in my application i use a bootloader for S310 and S310 V2.1.0.
The Bootloader is configured to use NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION and the application...
Hello Everyone
I am using two application timers one of standard battery service and one i have made for adc sampling like this along with the code added for battery timers...
When I update the advertising data from the radio pre activation hook (800µs), the updated data does not appear in the advertising event following 800 µs after the hook is...
Custom Board with MCU NordicSemi nRF51822-QFAA
Softdevice S110 7.1
IAR for ARM 7.1
SDK 7.2 using a merged service (HID keyboard example + NUS example...
As per the steps given to program bootloader to the device i have programed it.
But the code is not getting executed i.e advertising nor led initilization is taking place...
Hello im trying to connect to a slave on BLE_GAP_EVT_DISCONNECTED event.
Can i use sd_ble_gap_connect(...) on this state, im getting error code 0x3202.?
regards, Vo...