[WhiskeyTangoHotel] wrote in with his newest clock build — and he did warn us that it was minimalist and maybe less than useful. Indeed, it is nothing more than a super-cheap ESP32-C3 breakout board ...

Read and write a NTAG 424 DNA card or tag. Plain, Mac and Full communication modes supported. LRP and SDM not yet supported. Warning! This library and its dependencies take a lot of flash and SRAM.

An IoT-enabled smart attendance system built using RFID technology, the ESP32 microcontroller, and a LAMP stack. This system not only tracks attendance but also controls access through a solenoid lock ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...