Microduino DIY CoreUSB Module - $13 - (Swanton, VT)
Description An 8-bit microcontroller development board (ATMEGA32U4) with USB communication 32 KB flash and 2.5 KB SRAM Open-source hardware circuit design Programming development environment compatible with Arduino 22 digital I/O and 10 analog I/O Compatible with Microduino DIY The Microduino DIY CoreUSB Module is an 8-bit microcontroller development board with the ATMEGA32U4 series as the core. It is an open-source controller module compatible with Arduino Leonardo. The difference between Microduino CoreUSB, Core and Core+ is that the Microduino CoreUSB contains USB communication.Specifications Flash: 32 KB(ATMEGA32U4) 4 KB during it is used to guide the program. SRAM: 2.5 KB EEPROM: 1 KB Clock speed: 16 MHz 22x digital input/output: labeled on the module D0~D13, and A0~A7 10x analog input/output: labeled on the module A0, A1, A2, A3, A6, A7, D8 (A8), D9 (A9), D3 (A10) and D4 (A11) Each offers a 10-bit resolution (that is 0~1024) 8x PWM support: labeled on the module of respectively SCL, D3, D4, D5, D6, D7, D8 and D9 Please refer toanalogWrite() function. 2x Serial port USB virtual serial port: labeled on the module Serial1 [D0 (RX), D1 (TX)] 1x SPI support: labeled on the module D13 (SCK), D12 (MISO), D11 (MOSI), D10 (SS). 1x I2C support: labeled on the module SDA(D18),SCL(D19) 5x External interrupt support: labeled on the module SCL(interrupt0), SDA(interrupt1), D0 (interrupt2), D1 (interrupt3), and D2 (interrupt4) Supports the ISP download function Supports AREF end

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