Teensy 4.0

SparkFun Qwiic Shield for Teensy is a quick and easy way to prepare an expansion board equipped with Qwiic connectors . This shield is compatible with Teensy 4.0, Teensy 3.2 and Teensy LC boards. The board is equipped with an I2C bus connector (GND, 3.3 V, SDA and SCL) and four SparkFun Qwiic connectors

Orange Pi Lite is a super small computer This version includes a camera connector. It uses the Allwinner H3 SoC with Quad-core Cortex-A7, and has 512MB/1GB DDR3 SDRAM. It can run Android 4.4,Ubuntu,Debian image. Orange Pi Lite offers a range of different ports, including HDMI output, 40pin headers,USB 2.0, CSI camera port, TF card slot, etc. It is powered through DC.

SparkFun Qwiic Shield for Teensy is a quick and easy way to prepare an expansion board equipped with Qwiic connectors . This shield is compatible with Teensy 4.0, Teensy 3.2 and Teensy LC boards. The board is equipped with an I2C bus connector (GND, 3.3 V, SDA and SCL) and four SparkFun Qwiic connectors

Adafruit's Feather meets Raspberry Pi's new RP2040 chip, offering this board with great features. This Feather features the RP2040 and all the niceties you know and love from Feather. It comes fully assembled and tested, with the UF2 USB bootloader. It also comes with a header, so you can solder it and connect it to a solderless test board. 

Antenna for NanoPi NEO Plus2 IPX Connector

Digispark is a development board based on the ATTINY85 microcontroller from ATMEL born in a successful campaign on Kickstarter.
Similar to the Arduino line , It is one of the smallest boards on the market.
Programmable directly from USB with the same Arduino tools. It has a built-in Micronucleus bootloader and can be replaced by similar ones such as the Trinket bootloader. Adafruit or others.
You can use many of the same Arduino libraries and have your own on the digispark wiki. Attiny85 Digispark USB Development Board features:
-USB power supply
-External power supply (7v-35v DC 12v maximum recommended)
-5V DC 500mA regulator on board
-Programmable with the Arduino IDE
-Loaded with Micronucleus bootloader

This Seeeduino XIAO is the smallest Arduino compatible plate of the Seeeduino family. It is an Arduino microcontroller, integrated with the SAMD21 microchip. Despite its tiny size, it has enough interfaces for many applications.

This BeagleBone® development board is a powerful single board computer (SBC) Open source hardware design.

Seeed Studio BeagleBone® Green Wireless Development Board(TI AM335x WiFi+BT)

This development board is specially designed to work with the Bare conductive Electric Paint, which makes it possible to convert touch into sound, light or any action you want. With its 12 capacitive electrodes you can create a multitude of innovative projects and scenes, combining them with the Electric Paint. It has an MP3 decoder and a MIDI synthesizer, as well as a 3.5 mm audio connector and support for micoSD cards (includes 128 MB microSD). It is based on the Arduino Leonardo and uses the ATmega32U4, which works at 16MHz and 5V. 

Do projects on touch and interactive proximity detection in a different and simple way thanks to this Touch Board.

This product is a ZQ28335 development chart for learning including a TMS320F28335 processor with very broad features:. DSP Learning Board ZQ28335 DSP28335 Microprocessor TMS320F28335 features:
- Main processor TMS320F28335 32-bit digital high-speed floating point processor, the maximum working frequency is 150 MHz
- Memory on the chip: FLASH: 256Kx16 bit; SRAM: 34Kx16bit; Boot ROM: 8Kx16bit; OTP ROM: 1Kx16bit
- Peripherals on the chip: ePWM (improved PWM version): 12 tracks; HRPWM (high resolution PWM): 6 tracks; EQEP (enhanced version orthogonal coding pulse unit): 2 channels; ADC: 2X8 channels, 12 bits, 80 ns conversion time, 0 ~ 3V range

Wio Terminal: ATSAMD51 Core development board with Realtek RTL8720DN BLE 5.0 & Wi-Fi 2.4G / 5G. Arduino and MicroPython compatible, Wio Terminal is an ATSAMD51-based microcontroller with wireless connectivity compatible with Realtek RTL8720DN. Its CPU speed runs at 120MHz (Boost up to 200MHz). The Realtek RTL8720DN chip supports Bluetooth and Wi-Fi, providing the backbone for IoT projects. The Wio terminal itself is equipped with a 2.4 ”LCD screen, integrated IMU (LIS3DHTR), microphone, buzzer, microSD card slot, light sensor and infrared emitter (IR 940 nm).