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The Waveshare Mini Base Board is a compact, credit card-sized development platform designed specifically for the Raspberry Pi Compute Module 4. Featuring a standard CM4 socket, color-coded 40PIN GPIO, and extensive connectivity options including HDMI, USB 2.0, Gigabit Ethernet, and M.2 SSD slot, it offers a versatile and lightweight solution for both evaluation and integration into end products.

















| Brand | Waveshare |
| Package Dimensions | 10.9 x 7.9 x 2.21 cm; 10 g |
| Item model number | CM4-IO-BASE-B |
| Manufacturer | Waveshare |
| Series | CB4-IO-BASE-A |
| Colour | CM4-IO-BASE-B |
| Processor Brand | Broadcom |
| Processor Type | ARMv7 |
| Processor Socket | CM4 |
| Processor Count | 4 |
| Memory Technology | LPDDR2 |
| Memory Clock Speed | 2133 MHz |
| Graphics Card Interface | Integrated |
| Number of USB 2.0 Ports | 2 |
| Operating System | [User Choice] |
| Are Batteries Included | No |
| Item Weight | 10 g |
| Guaranteed software updates until | unknown |
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