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...
I am running an application with norma NUS Service with bonding.
When I want to make a DFU I start to write a token into the flash with fds and then do a soft reset. After...
Hi, I'm using nRF5_SDK_for_Thread_and_Zigbee_v3.1.0_c7c4730 to develop a Zigbee Network. I'm using the ble_zigbee_template example as starting point of my works. I seen that...
Hello,
I have an nRF9160 DK and a Thingy:91. Both have been running asset_tracker for more than 3 hours, but none achieved an LTE Connection. I have installed the latest...
Hi, i am working with usb cdc driver (sdk 15.3 and nrf52840) and i have a problem . This is my variables initialization APP_USBD_CDC_ACM_GLOBAL_DEF(m_app_cdc_acm, cdc_acm_user_ev_handler...
Hello,
I send SMS from nRF9160 to my number using following method.
1. Open LTE Socket
2. Send AT Commands:
a. AT+ CFUN?
b. AT + CFUN = 1
c. AT+ CFUN?
d. AT...
Hi all, If using the RC LF instead of a 32.768KHz crystal are there any side effects of the 16ms calibration period which occurs every 4 seconds? I'm mostly concerned how...
Hi,
I am working on buttonless dfu example, but i want to design my application in such a way that, device should enter into dfu mode when button is pressed. I should be...
Hi, I have some issue about mesh network.
Using below developing environment.
- SEGGER Embedded studio for ARM V4.22
- nRF SDK 15.3.0
- nRF Mesh SDK 3.2.0
- chip...
Hello
I'm a beginner in Bluetooh and I bought two dev board NRF52840 DK. I would like to make a mesh with these two boards. One in master and the other in relay, the goal...
Hi,
I´m working with "TWI Sensor" example of SDK 16 and I modified the Main function of main.c as follows (just added NRF_LOG_INFO("\r\ntest") );:
I just added this...
Is there a good way to uniquely identify mesh node across multiple smart phones? The problem is: Android provides access to MAC addresses that can be used as identifiers of...
Hello. When I examined the BLE data format, I found that it was as shown in Figure 1.
Fig1
I am using NRF52832, please tell me how to detect the CRC value...
I am using mbedtls with ECB hard accelerator on nRF52840. So I changed the macro definition: UPDATE_CBC_MAC in ccm.c to function:
#define HT_UPDATE_CBC_MAC \
for ( i...
Hi All,
we're developing beacon that advertise both legacy and long range at the same time.
however we got NO_MEM error while adding 2nd adv set
any limit on multiple...
