M5Stack C008-B 开发板 ATOM Matrix，尺寸仅为 24 * 24mm，是最紧凑的开发板

Dimensions: 24 mm x 24 mm x 10 mm

Unit Weight: 14 g

RF Frequency: 240 MHz

Interface Type: USB

Operating Supply Voltage: 5 V

Tool Is For Evaluation Of: ESP32

Maximum Operating Temperature: + 40 C

Minimum Operating Temperature: 0 C