DFRobot
DFRobot是機器人與開放原始碼硬體供應商，致力於創造創新、易用的產品，以培養強大的學習社群。該公司是創客運動早期的推廣者之一，並大力支持積極接觸創客文化。DFRobot主要產品
Gravity: GP8630N I2C/PWM DAC Module
High-precision 16-bit digital-to-analog converter that converts I2C and PWM signals into outputs.
Gravity: GP8600 I2C/PWM DAC Module
16-bit DAC designed to convert I2C or PWM digital signals into standard industrial analog outputs.