Upload the source code to the ESP32. Assemble the circuit on a general-purpose PCB. Fix all seven LEDs on the PCB, including ...

Block diagrams close block diagramA diagram of a system represented by blocks connected by lines. are clear, simple diagrams showing all of the input, process and output elements that make up the ...

Blockchain is a decentralized, digital database ... adds it as a new block, that record is permanent. And this serves much more important purposes beyond simply keeping the system running.