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've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello,
I would like to save some keys securely using the Infineon OPTIGA Trust X chip. To do a quick test I bought the Infineon shield2Go with the OPTIGA chip that I connected...
Hi All
as title.
I am nRF52 DK PCA10040.
Chip select is nRF52832.
I measure out from wfe to Timer Interrupt time is 1.3us.
Is it correct? and How can I reduce the...
Hello,
I am working on a school project with my team that requires one master device and up to 30 slave devices which will be controlling LEDs. I was thinking the nRF52840...
When enabling BLE on nrf52840, we are using specific API to access flash erase and write commands. All is working fine 99% of the time in term of read / write / erase into...
Hi Sir We are scanning nearest BLE using NRF Scanner example using 1- NRF52840-DK and 2. BT840 . We are getting good RSSI value using 1 but very poor RSSI values when we are...
Hi,
I am using nrf52832 with s132 softdevice and SDK17. I want to disable bonding and pairing in ble_multirole code. I have tried disabling the SEC_PARAMS_MITM, SEC_PARAMS_IO_CAPABILITIES...
Dear Sir,
I am using SPIM , EasyDMA array list,with following flags
NRF_DRV_SPI_FLAG_NO_XFER_EVT_HANDLER , NRF_DRV_SPI_FLAG_RX_POSTINC , NRF_DRV_SPI_FLAG_HOLD_XFER&
...
Hi,
I am using my nrf52832 board with a MPC9808 sensor and I wanted to use the example code provided in zephyr/samples/sensor/mcp9808
Can you tell me with which pin of...
i'm building an amplifier that can play sound over bluetooth. I intend to use the nrf52832 to send i2s data to my dsp chip. based on the loopback example, i have an idea on...
Hello,
I was reading through the code of the asset tracker application and noticed that there is no while(1)/for(;;)-loop. I see this for the first time in a board application...
hello,
we are in process migrating to SDK 16.0 and service pack 8.27 or higher. While performing an upgrade we encourage few problems and would like you expert advise...
2 Questions, both short:
1. Documentation error in Softdevice 15.x and 14.x header files:
/** @note If any of the discovered services have 128-bit UUIDs which are not...
"AT+CEREG=2" "AT+CFUN=1"
Getting the correct responses of above mentioned AT commands.
But after that, when any command is send on LTE Socket, " at_host_at_socket_write...
Hi,
I was randomly inspecting Bluetooth devices around in nRF Connect and I found out that many Apple devices advertise with TX Power Level 12 or 24 dBm. From my understanding...
