Top 7 Best 32 bit microcontroller (2022)

1. BIGTREETECH 3D Printer Upgrade Motherboard Octopus V1.1 Control Board 32bit Compatible TMC2209, TMC2208 Driver, Support DIY Klipper Firmware and Raspberry Pi Online Printing for Voron 3D Printer

  • 【Main Control Chip】Uses a 32-bit ARM Cortex-M4 series STM32F446ZET6 main control chip with a core frequency of 180MHz.
  • 【Strong DIY Support】This motherboard supports up to 8 stepper drivers with 9 stepper driver outputs in total; And up to 6 PWM fans and 2 always-on fans with the ability to individually select the voltage rail that will drive each fan. Select from Vin, 12V or 5V.
  • 【Realize Online Printing】Interfaces with a Raspberry Pi using emulated serial over USB or direct UART to any of the serial ports on the board, to realize Klipper Firmware and Raspberry Pi Online Printing.
  • 【Motherboard Expansion Function】Support BLTouch, locked-rotor detection, shutdown after printing, resume printing after power failure, CAN bus, U disk function, IIC expansion; at the same time reserved WIFI interface, PT100 thermistor interface (optional, Only reserved interfaces, customers need to purchase chip welding, please pay attention.), dual Z-axis printer.
  • 【Increase Protection Function】Uses high-performance MOSFETs to increase heating efficiency while also reducing heat generation on the motherboard. Supports “print from SD card” and “print via USB OTG” using the integrated USB-A port.

2. HiLetgo 3pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Compatible to Arduino Pro Micro Serial Connection with Pin Header

  • ATmega32U4 running at 5V/16MHz
  • Supported by Arduino IDE v1.0.1
  • On-Board Micro-USB connector for programming
  • 4 x 10-bit ADC pins, 12 x Digital I/Os
  • Rx and Tx Hardware Serial Connections

3. Seeeduino XIAO The Smallest Arduino Microcontroller Based on SAMD21,with Rich Interfaces, 100% Arduino IDE Compatible, desiged for Projects Need Arduino Micro,3 pcs

  • [ Powerful CPU] Seeeduino XIAO carries powerful CPU ARM Cortex-M0+ 32bit 48MHz microcontroller (SAMD21G18), which is three times than Arduino Uno and Arduino Nano. In addition, this Arduino IDE compatible board Xiao is also equipped with 256KB flash memory and 32KB SRAM.
  • [Rich Interfaces in a Tiny Size] There is 14 GPIO PINs, which can be used for 11 analog PINs, 11 digital PINs, 1 I2C interface, 1 UART interface, and 1 SPI interface in such a tiny size – only 20mm*17.5mm ( as small as your thumb). Seeeduino XIAO development board is the smallest Arduino compatible board in the Seeeduino series.
  • [Fully compatible with Arduino IDE] The Seeeduino XIAO development board is perfectly compatible with Arduino IDE, you can easily develop some small projects with the help of the large and comprehensive Arduino library. As it has a 2.54mm pin pitch, it is an Arduino microcontroller that can be used even when inserted into a breadboard.
  • [USB Type C Support] Seeeduino XIAO supports the USB Type-C interface which can supply power and download code. There are power pads at the back of the XIAO which support battery and make it designed for wearable devices to become realistic.
  • [Perfect for Wearable and Tiny Arduino Projects] On the other hand, this little board has good performance in processing but needs less power. As a matter of fact, it is designed in a tiny size and can be used for Arduino wearable devices and small projects.

4. KEYESTUDIO 37 in 1 Sensor Kit 37 Sensors Modules Starter Kit for Arduino Mega R3 2560 Raspberry Pi Programming, Electronics Components STEM Education Set for Kids Teens Adults + Tutorial

  • This sensor kit comes with 37 basic sensors and modules, which is good for learning basic knowledge about sensors. The main controller is Not Included.
  • It comes with detailed tutorials which include pictures and code and 37 projects, explained step by step. Note we provide arduino tutorials, without Raspberry Pi tutorials.
  • Each module has 3-4 pins broken out that make it easy to plug into a solderless breadboard or hook up to with DuPont wires. They are intended to be used with the Arduino platform, but can also be used with the Raspberry Pi platform as well.
  • Packed well in nice box, also each item packed well separately.
  • High quality kit for those beginners who are interested in programming. 100% compatible with Arduino R3, MEGA 2560, NANO, Raspberry pi and more.

5. VKLSVAN ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Module for Arduino IDE

  • 【Compatible with Arduino】works great with the latest Arduino IDE/Mongoose IoT/Micropython
  • 【Support Lua program】 easy to develop.
  • 【Support three modes】AP, STA and AP + STA.
  • 【Dual Core】Dual coreESP-32 Antenna Module

6. BIGTREETECH SKR Pro v1.2 32-bit Motherboard high-Frequency 3D Printer Control Board, Support TMC5160, TMC2208, TMC2130, TFT28, TFT32, TFT35, 12864LCD ect.

  • The main control uses the ARM-level Cortex-M4 series with a 32-bit dominant frequency of 168 MHz STM32F407ZGT6 chip, performance is greatly improved.
  • Equipped with highly modular open source firmware Marlin2.0, it is convenient for users to DIY and further-development, to avoid the worry of not being able to master the core code.
  • Motor driver support :TMC5160,TMC2208,TMC2130,ST820,LV8729, DRV8825,A4988, etc.Display screen support: BIGTREETECH- 2.8 inch TFT,BIGTREETECH-3.5 inch TFT, LCD2004,LCD12864.
  • Support Serial WIFI Online Printing. 6 motor drives, 3 extruders, 3 CNC fans. Reserve extended ports of BL Touch, PWM, ADC, UART, I2C and SPI;Support power-off continuous printing, material cut detection, shutdown and other functions;Support for dual Z axis printers (series dual Z.

7. Teensy LC USB Development Board Without Pins

  • 32 bit ARM Cortex-M0+ 48 MHz CPU 62kB Flash Memory, 8kB RAM, 1/8(emu)kB EEPROM
  • 13 High Resolution Analog Inputs 27 Digital I/O Pins (NOT 5V Tolerant)
  • 10 PWM outputs 7 Timers for intervals/delays, separate from PWM
  • 3 UARTs (serial ports) SPI, I2C, & I2S I2S (for high quality audio interface)
  • 4 Lightweight DMA channels Touch Sensor Inputs

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