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...
OK, so I have figured out that I can put some of my advertising content into the scan response if there is no room in the advertising packet, but what do I do if there is...
I just bought the nordic thingy91 and managed to connect it to the cloud. but since then the device doesnt appear to come on at all? I thought the battery has died but when...
My application is using multiple features such as BLE UART, Proximity and TWI.
I've two twi sensors triggered when needed. and one of them generate an int to wake up the...
I discovered a bug in nrf_ble_scan_uuid_filter_add. The "Check for duplicated filter" code does not only a partial comparison on the p_uuid_filter with the p_uuid data object...
I have the nRF5340 PDK dev kit and am building the peripheral_lbs sample code using SES on a Windows 10 laptop. I'm able to build the code successfully, but then I run into...
I can't find any documentation about this and my project depends on it.
Would it be possible to read the power usage in volts or any other value through a bluetooth connection...
Hi Nordics,
I have been trying out the SDK 15.2 DFU using serial / usb serial based on this
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter...
Modify the channel in the receiving mode, call the "nrf_esb_stop_rx" function in the "nrf_esb_event_handler" function, but what if the "if (m_nrf_esb_mainstate == NRF_ESB_STATE_PRX...
Hey Devs,
Would someone be able to tell me the power draw on the Thingy? How long will the onboard battery (1440 mAh) last on it?
Help is appreciated.
Thanks,...
Hi, I am developing firmware to run on a custom board using the nRF52810-CAAA chip. I need to meet very strict lower power consumption thresholds, and need to very precisely...
We are in development of a wearable ecg medical device. We want to add 4g low power capability. The device is a patch worn by patients 24/7 up to 30 days. Our current requirements...
Hi,
Is it possible to set CONFIG_HEAP_MEM_POOL_SIZE to be more than 16384?
I try to configure CONFIG_HEAP_MEM_POOL_SIZE = 94208 and when the heap allocated until 36830...
I have a device at -35 °C temperature, and sometimes I get the error "BLE_ERROR_INVALID_CONN_HANDLE" when in the ble_evt BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST. I'm using the...
