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...
I have seen some situations where putting the modem into offline mode (CFUN=4) will cause my application to lock up because the at_cmd never returns. It looks like this is...
Hi, I am using Mesh SDK 4.0.0 and have couple of nRF52840 dev kits.
1) In light switch server example of Mesh SDK, is it possible to add more on_off data types to the server...
Hello I am trying to develop an application for advertising in SLOW mode.
Here is my Advertising Init function.
/**@brief Function for initializing the Advertising...
Can somebody help me out the reason behind below failure on thingy 91. I am building asset tracker example using west on command line. Following is the logs that i got after...
Hi,
I am working on the Thingy91 and trying to set up an event when the USB power state changes (USB cable w/power is plugged or unplugged). For now I will just blink...
Hi,
I changed the softdevice on the nRF52833 light client example from the S113 to the S140, but the program
hangs at startup before even enter the main loop (catched...
Hi ,
During the review, I came across the certification question. After some reading, I found some details.
This got me worried because it looks like it is a difficult...
I have found the example using nRF52833 in the latest SDK (ble_app_att_mtu_through....)
I am using Keil uVision 5.29.0 and I have downloaded the software packs 8.27.1, 8...
Hii,
Our input voltage to nrf52840 is 2 volt, we want to know whether 2 volt will be detected has low(0) or high(1) or undetermined state.we are using gpio pins (1,10) and...
Hello,
I'm considering writing BLE relay application, where central side should bond and encrypt connections (cause sensor device requires it and will not function without...
I'm trying to get the most performance per mA out of my nRF52, for test purposes I've used the nrfx libraries to communicate to the peripherals but I want to make my own....
I want to add a global variable that would increase every time the timer handler is called. I can't get it to work with static, volatile, or even pass on as variable. the...
Dear all,
I am very new to BLE developments and Nordic product, I have purchased the nRF52840 dongle to have a feeling on the product ( I understand I should get the nRF52840...
I have below queries Regarding Secure Boot and DFU:
1) Is the secure boot functionality available in nRF52840, if available please provide the procedure for doing it?
...
Hello, guys!
We are excited to start a new product prototyping by using Thingy:91 board. Consequently, I would have a few questions related to Thingy:91 configuration...
