Sintron 5PCS Mini Arduino Nano V3.0 ATmega328P controller compatible US Store which makes it better for

which makes it better for faster prints

The lesser surface pinout is recognized by means of numeric characters

(6) 100k Ohm Resistors x 10

(13) Yellow Button x 1

this is already our 4th model of 3D printer

Sintron 5PCS Mini Arduino Nano V3.0 ATmega328P controller compatible US Store which makes it better forFeatures Ch340G Replace FT232RL Operating Voltage(logic level): 5V 8 analog inputs ports: A0~A7 14 Digital input output ports: TX, RX, D2~D13 6PWM ports: D3, D5, D6, D9, D10, D11 1 pair of TTL level serial transceiver ports RX TX Support USB Download and Power Support for external 5V ~ 12V DC power supply Support power supply by 9V battery Packaging Details Unit Type: lot (5 pieces lot) Package Weight: 0. 06kg (0. 13lb) Package Size: 10cm x 10cm x 5cm