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...
Currently we are considering whether we should use external Flash Memory or NRF52 Internal Flash.
External Flash memory has a lot of drawback in comparsion with internal...
Hi,
I am trying to run an example project which includes a softdevice using Keil uVision on nrf51822xxAA. What should I change in Options for Target? Especially what should...
Hi,
If I connect a peripheral and establish a bonding with MITM the connection security changes to mode 1 / level 3. If the peripheral is disconnected and reconnected the...
Hi,
I am trying to write program follow this structure: first I will enable button using GPIO, then wait botton is pressed, then I read ADC from GPIO pin, if ADC value >...
I'm using a nRF51 beacon as a receiver that produces a pulse when it receives a byte from the transmitter. The code is based on the ble_app_uart example. And I set the connection...
The new v3 of sd132 now has 4 characteristics in the GAP service.
The new one has uuid 2AA6
For some legacy testing I need to disable it's inclusion.
I have searched the...
Hi
I'm using the connectivity interface of the softdevices a lot and recently failures in the documentation of the connectivity protocol caused a long debug session. Maybe...
Hello,
I want to use the NUS service on my BLE communication. I don't have pins connected for UART, do I need to have them?
When I try to run the device, my program initializes...
hi,
1/ i notice that drivers header files are available in two versions. one inside "components\drivers_nrf" folder and the other inside "components\libraries".
and...
I'm using the nRF51822 DK + SDK10.0.0 + s110. I modified the app_ble_hrs example to send 2x 20B packets of data (via a modified heart_rate_meas_send() function) upon a m_battery_timer_id...
Hi
I have a custom board with no external crystal. Using S130 works fine, but I want to enhance communication with some data being sent over ESB using timeslot API.
...
My English is still poor, but I hope you can understand me.
Press the button to call ble_advertising_start(), which may occasionally restart main.
I set a short timeout...
I am using the FreeRTOS port included in a nRF52832 with nRF5 v11.0.0 + s132. From main() I create a task and I pass it some input data as argument. That data is encapsulated...
Hi,
I am struggling with I2S. While I was debugging my I2S data handler function, I found something interesting. I copy one element from a uint32 buffer into a (static...
Hello all!
Simple question: What is a SNR value for BT LE? I read 20 dB are OK, but I would like some sources/informations to back this number up.
Thanks!
Cheers...
