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...
Hi, I know there are already lots of threads around this but it seems none is like mine.
I'm running my toolchain on a Mac so I think I have a more challenging debug setup...
Hi,
I would like to know is there any shopping sites selling beacon modules that we can configure later based on our requirement?
I searched on few shopping sites where...
Hi,
We are developing a pretty complicated multi-threaded application on nRF52832.
Part of the requirements are storing a large amount of data over time (Megabytes)...
Hi
I am using gpio for input interrupt as below
nrf_drv_gpiote_in_config_t in_config = GPIOTE_CONFIG_IN_SENSE_HITOLO(true);
in_config.pull = NRF_GPIO_PIN_PULLUP;
...
According to PS, external reference min. voltage is 0.83V. However, I've experimented with voltages of about 0.2V and it appears to work. Specifically, I connected a voltage...
Dear all,
I am planning to develop a system which has the same functionality as N550M8CC SoC.
I cannot use directly N550M8CC module because space limitations so I am...
Hello everyone
I am trying to write to SDCARD with FATFS.
Data received from BLE and SAADC incoming data.
Writes every second.
The size is about 100 bytes.
SAADC is 1000...
Hi guys,
I wanted to try out the experimental "ble_app_att_mtu_throughput" on the newest nRF5240 DK. Using Keil, this project is to big for the free version. Since I knew...
Hi everyone,
I have one problem with the application timer. When I change the state of characteristic to the value of 1, the following code is executed:
err_code = app_timer_stop...
Just stumbled upon a few questions, which are hard for me to answer at the moment.
I wanted to do some throughput measurements with the example taken from SDK 14.2.0 mentioned...
What does the QSPI controller inside the nRF52840 do when the ACTIVATE task is started?
Does the ACTIVATE task result in communications with the external QSPI part such...
Hi,
I have a question about the UARTE peripheral.
is it possible to keep the DMA running and let it write to ram in a circular way?
I used DMA on the stm32 before and...
Hi there,
I'm a beginner with NFC and there is somethings I don't understand with the NDEF Messages frames. I have a the PCA10040 Development Kit.
I've seen this schematic...
