As the name suggests, this is a tiny microcontroller with just 8 pins, 1K Flash and 64 Bytes RAM. It is based on the AVR® 8 bit enhanced RISC architecture and achieves a speed of almost 20 MIPS at 20M..
ESP32 is highly-integrated with in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules. ESP32 is a powerful 32 bit microcontroller wit..
NodeMcu is an open-source development board, based on famous ESP8266 chip, which is a 32-bit controller with built-in WiFi transceiver. And it is very low cost. Best of all, this board is Arduino IDE ..