Arduino UNO+WiFi R3 ATmega328P+Node MCU ESP8266 CH340G Compatible Board M2M Jumper Wires (20cm) (20pcs) this kit is the simplest

Arduino UNO+WiFi R3 ATmega328P+Node MCU ESP8266 CH340G Compatible Board M2M Jumper Wires (20cm) (20pcs) this kit is the simplest this kit is the simplest and most cost effective solution Portable Workstation: Pair with a portable monitor and battery pack for a lightweight 5 KB used by bootloader) Flash Memory (ESP8266) 4 MB SRAM (ATmega328P) 2 KB Clock Speed (ATmega328P) 16 MHz Clock Speed (ESP8266) 80 MHz 160 MHz WiFi Standard 802 3V (ESP8266) Input Voltage 7 12V DC (via barrel jack) 5V USB Digital I O Pins (ATmega328P) 14 (6 PWM capable) Analog Input Pins 6 (A0 A5) ESP8266 GPIO Pins Available via onboard headers Flash Memory (ATmega328P) 32 KB (0