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,
during production test we wrote in the UICR a signature saying that the test has been performed succesfully.
It happens that the signature is not written correclty...
Hi, I'm really pleased with myself as I have set up my VS Code in windows to build and clean blinky and can drag the _build hex file to nRFConnect and flash it to my dongle...
Dear Nordic,
When testing the DFU process, I noticed something unexpected. We are using the secure DFU USB bootloader, with forced dual bank updating. I'll attach both the...
I am using ibeacon format for my device. The specification says to include the RSSI value calibrated at 1 meter in the payload.
Can you please tell me how to find out...
Hi,
We managed to integrate both normal BLE and mesh stack onto our working prototype, powered by nRF52840. So far, it is working well. We are trying to further maximise...
I am using the NRF52840 controller to connect BMD101(ECG sensor) uart based having a baud rate of 57600.
Note: Using UART peripheral example on SDK17
I am trying to parse...
Hi
I've problem on my design when I use voltage translator to communicate with sensors. Can you guys see pictures below:
1.nRF52840 using 3.3v:
1.nRF52840 using...
Hi all.
I want to send my packets in the negotiated time interval.
I sat the NRF_SDH_BLE_GAP_EVENT_LENGTH to 6.
The negotiated TI is 36 ms.
the results are
1- the...
Hello to all,
(If "TLDR" go to "### TLDR ###" in the bottom of the page, where you'll find the straight questions without all the context... ) Me and my team are using the...
Hi,
I noticed that the value raw_uuid_len in function ble_advdata_uuid_find() in module ble_advdata.c is fixed at the value UUID128_SIZE.
So the function can only find...
Hi, I am new to NRF and segger embedded studio.
So I want to send temperature sensor data connected with nrf52840 DK to the Murata1_SC device using UART.
The data will...
Found a potential "weirdness" with the mergehex utilty. When merging hex files containing code, dont seem to have an issue. Recently I was using mergehex create a full programming...
Hello Team,
Can you please confirm if we can use the crypto API to do AES encryption/decryption. Can I use it in non secure app and in application and not in bootloader...
