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The Raspberry Pi 4 Model B, equipped with 2 GB RAM, offers a powerful Broadcom BCM2711, quad-core 64-bit ARM-8 Cortex-A72 processor clocked at 1.5 GHz. The device has two microHDMI connectors, two USB 3.0 connectors, two USB 2.0 connectors and a power connector USB-C connector. The board retains the features of its predecessor, including dual-band WiFi (2.4 GHz and 5 GHz), Bluetooth 5 / BLE and a high-speed Ethernet port up to 1000 Mbps with the option to power via PoE. The Raspberry Pi 4 Model B also maintains a standard 40-pin GPIO connector, CSI and DSI connectors and a slot for a microSD card.

The kit from Seeedstudio includes the Seeed Xiao ESP32-S3 module and the OV2640 camera. The Xiao ESP32-S3 has a dual-core Xtensa 32-bit LX7 processor running at do 240 MHz, 8 MB PSRAM and 8 MB Flash memory. The module supports WiFi 2.4 GHz, Bluetooth 5.0 and Bluetooth mesh communication. A memory card slotmicroSD card.

The Raspberry Pi 3 A+ model is an improved version of the popular minicomputer. It features a more powerful Broadcom BCM2837B0, quad-core, 64-bit ARM-8 Cortex-A53 processor clocked at 1.4 GHz. It also offers dual-band WiFi (2.4 GHz and 5 GHz) and Bluetooth 4.2/BLE for added functionality and versatility.

Seeedstudio introduces its compact development board, powered by the advanced Nordic nRF52840 ARM Cortex M4 chip, running at 64 MHz. This versatile board provides wireless connectivity through Bluetooth 5.0 with built-in antenna, NFC and ZigBee, enabling innovative projects in the IoT area. It also features a BQ25101 battery charging circuit and a variety of communication interfaces, opening the door to creating mobile, wireless solutions. Additionally, the board is suitable for developing artificial intelligence applications using TinyML, offering a wide range of possibilities for engineers and hobbyists.