Last year, Semtech released the LR2021 LoRa Plus transceiver chip, designed to address the low data-rate issue associated with LoRa, but surprisingly, ...

If you've purchased the a pair (or more) of the NRF24L01+PA+LNA transceivers , there is a lot of old example code out there that does not work anymore (as of 2016) and this drove me nuts. The standard ...

What if you could get an instant SMS alert the moment a fire or smoke is detected at home or office? Through this project tutorial, you can build a fire and smoke alarm system using Arduino UNO R4 ...