Product Quantity Subtotal ESP32 38PIN expansion board $1.14 ESP32 38PIN expansion board quantity × $1.14 ESP32 38PIN expansion board quantity $1.14 Arduino UNO R4 Minima ABX00080S $26.93 Arduino UNO R4 Minima ABX00080S quantity × $26.93 Arduino UNO R4 Minima ABX00080S quantity $26.93 Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 8mb Memory USB-TTL CH340G Compatible for Arduino UNO $3.89 Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 8mb Memory USB-TTL CH340G Compatible for Arduino UNO quantity × $3.89 Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 8mb Memory USB-TTL CH340G Compatible for Arduino UNO quantity $3.89 Coupon: Apply coupon Update cart Cart totals Subtotal $31.96 Total $31.96 Proceed to checkout