SparkFun Pro Micro - RP2040 $17.95 The SparkFun Pro Micro RP2040 is a low-cost, high performance board with flexible digital interfaces featuring the Raspberry Pi Foundation's RP2040 microcontroller. Besides the good 'ol Pro Micro... Add to Cart
SparkFun - ESP8266 Thing $19.95 $24.95 The SparkFun ESP8266 Thing is a breakout and development board for the ESP8266 WiFi SoC - a leading platform for Internet of Things (IoT) or WiFi-related projects. The Thing is low-cost and easy to... Add to Cart
SparkFun Thing Plus - RP2040 $26.95 The SparkFun Thing Plus - RP2040 is a low-cost, high performance board with flexible digital interfaces featuring the Raspberry Pi Foundation's RP2040 microcontroller. Besides the Thing Plus or... Add to Cart