Raspberry Pi CM4 Base Board USB CSI GPIO 5V Power IN Optional Gigabit Ethernet HDMI-compatible
Aliexpress UK
A good price for a lot of punch. 64-bit Quad-Core ARM Cortex A53, with micro SD support, USB, ethernet and GPIO. If you're looking for a powerful SBC that's easy to get in large quantities, you're in the right place.
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Raspberry Pi Zero USB OTG Adapter & Mini HDMI-compatible Converter & 40Pin GPIO Header for BPI-M2/M4
Aliexpress UK
The board is manufactured in China and is compatible with the esp range of devices. With a unit quantity of 10g, it is perfect for prototyping and small-scale projects.
eBay
ESP32 WROOM-32, 30-pin USB-C. ESP32 WROOM-32D 30-pin USB-C. ESP32 WROOM-32 38-pin USB-C. ESP WROOM 32 / 32D. Case For Wroom 32-30 Pin. WIFI protocol: 802.11B/G/N. Antenna form: onboard PCB antenna, gain 2DB.
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GPIO Coverx1. Colorful Anti-Dust Plug for Raspberry Pi 5/4B. I/O Port anti dust cover for Raspberry Pi 5/4B. RJ45 Cover x1. Micro HDMI Cover x2. Colour: Red. USB Cover x4. AUDIO Cover x1(only for Pi4B).
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RP2040 Designed by Raspberry Pi, RP2040 features a dual-core Arm Cortex-M0+ processor with 264KB internal RAM and support for up to 16MB of off-chip Flash. A wide range of flexible I/O options includes I2C, SPI, and — uniquely — Programmable I/O (PIO).
eBay
The breakout board is based on the MCP2221A, a USB-to-UART/I2C converter. The chip is similar to a USB to serial converter but it also adds a GPIO and I2C interface. The analog/digital GPIO pins can act as 10-bit analog inputs (ADC), and there is a 5-bit DAC output included.
eBay
Standard CM4 Socket, 40PIN GPIO, Gigabit Ethernet, USB2.0, DSI, CSI, 3.5mm Audio Jack All In The Compact Body Just As The Size Of CM4. Suitable For Raspberry Pi CM4 Evaluating Or Being Integrated Into End Products.
eBay
3 x XBee Interface boards, 3 x XBee modules, 3 x Antennas, 2 x USB cables, 2 x Power Supplies. Protocol Type Xbee. Supported Bus Interfaces GPIO, SPI, UART, USB. Supported Network Interfaces Pan, RS232, RS485.
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