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'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...
I2s subcontract transmission, the sound is normal during the transmission of each packet, and there is noise when preparing next_buf. How to eliminate the noise? Looking forward...
Hello Community,
I want to request a timeslot with sd_radio_session_open(). Whenever i call this API function, the Application crashes with a HardFault.
I have no idea...
Hi Devzone!
I'm using 'nRF52840' as an edge device, and this device is going to continuously check the surrounding environment and send the value to mqtt broker of aws through...
Hi,
We are using nRF52832 with a custom protocol communication (not BLE, not Nordic). The communication is simple, one device is sending message and the other is receiving...
Once again I'm turning to this forum for help, as I'm stuck with an unusual issue. We have a custom board, which is supplied from one CR2032 battery and can also be suplied...
Hello,
I am having an odd issue when loading an app that uses FDS with softdevice, if I load the app without a bootloader the FDS library seems to work just fine but if...
on connection, the modem gets reset after ~ 1 minute from activation:
log:
[00:00:00.421,386] <dbg> nrf_cloud_transport.nct_topics_populate: shadow_get_topic: $aws/things...
I would like to implement functionality to use a digital temperature sensor TSYS01. I cannot find that this already is implemented in Zephyr so im wondering how i in best...
Hi there,
I want to use a LiFePO4 Cell to supply the nRF9160:
Is the MAX17224 suitable to power the nRF9160?
Is this Power "Sequence" OK? Productspecification nRF9160...
currently we are facing an issue with our testing that, our product battery is getting drained to 0 volts. we understand that we need to put a cutoff voltage from the firmware...
Hey folks,
I'm developing a long-range application with nRF52840 DK that (optionally) uses NUS (Nordic UART Service) to send data to Samsung S10+; there is no problem establishing...
Hello,
SDK 15.3.0
nRF52840-DK
s140
IDE:SES
I am running into an issue using the app timer and LPComp together. The error is NRF_FAULT_ID_SDK_ERROR, With RTT output...
Let say during the normal program flow I want to change often the edge direction which will trigger the event: rising edge, none, falling edge, none … Can I work direct with...
hi:
i want to know CKCON config is CKCON =0x01 or CKCON =0x02? because datasheet is CKCON =0x01
External data memory stretch control. 001: One stretch cycle (default)...
