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...
Hello,
I'm currently working on a custom DFU op-code that allows the MCU to send a "pause" op-code, similar to the op-codes found in the DFU protocol.
The steps I've taken...
Hi All
I’m making a few tests on a custom board equipped with a nRF51822-AA device trying to update the firmware with a newest one based on a more recent SDK
The original...
nRF5 SDK version 17.0.2
In usb_dfu_transport_init we have this:
If the nrf_drv_power driver was already initialized, this will return NRF_ERROR_MODULE_ALREADY_INITIALIZED...
The documentation for the sd_ble_gatts_hvx() method states:
This function checks for the relevant Client Characteristic Configuration descriptor value to verify that the...
Using NCS v1.4.99-dev1.
I have no problem using the PWM with a nRF5340PDK but when i tried it on a nRF5340DK, my program was not working correctly.
I have made a simple...
Hi All:
As the topic............Now ,my program is consisted two group,one is the base group,the other is the application group.We often upgrade the application group,so...
Hi
Try to enable reset pin on a 52810 custom board
After defining CONFIG_GPIO_AS_PINRESET in project I ended with UICR registers set to 0 both PSELRESET[0] and PSELRESET...
I have a project with app + SD + BL + Settings page, all merged using the mergehex tool
The mergehex was installed as part of the nrfutil package.
all is well when the...
Hello,
I'm using sprintf to prepare a string to be sent with app_usbd_cdc_acm_write() with a usb configuration resembling your usbd_cdc_acm example of SDK 17.0.2.
When...
Hi everyone,
I want to serial print an array of bytes in hex format. The array size is 200bytes. I tried to use the NRF_LOG_HEXDUMP_INFO but it doesn't print all the array...
Dears,
Diagram as attached, we want to make a audio recorder design.
Customer wants to recorder the audio, and at the same time do audio player works.
Is it possible...
I'm evaluating nRF52840 DK.
Currently running peripheral_lbs example.
I'm trying to set security level to BT_SECURITY_L4
I'm connecting to nRF52840DK with via smartphone...
