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We wired up a USB-Serial chip that an upload code at a blistering 921600 baud for fast development time
Use headphones
low crosstalk
Units can be daisy-chained with additional Pololu servo and motor controllers on a single serial line
2 analog) or you can purchase and use our resistive touchscreen controller (not included) to use I2C or SPI
Adafruit Metro Mini 328 - 5V 16MHz 2mb We wired up a USB-SerialMake your Arduino based project tiny and with the Adafruit METRO Mini! The METRO Mini works great with the Arduino IDE, and runs the ATmega328P at 16MHz so it is pin compatible with Arduino UNO R3 note you won't be able to plug in shields, but great for use with breadboards. You can use this with the Arduino IDE (both desktop and cloud version) by selecting 'Arduino UNO' in the Boards menu. METRO Mini is the culmination of years of playing with AVRs:
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