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The CH340 USB To TTL Converter Adapter Module is a built-in USB to TTL Transfer chip
On-board ST-LINK with selection mode switch to use the kit as a stand-alone ST-LINK (with SWD connector)
a Digital Motion Processor™ (DMP) and two sets of three 16bits-ADC for converting the tri-axis gyroscope and tri-axis accelerometer analog output to digital signals
The module simplifies the integration of dot matrix displays
Compatible IC packages: DIP-40 (0
PCA9685 16 Channel 12-bit PWM I2C Servo Driver Shield for Arduino board The CH340 USB To TTLPCA9685 PWM Servo Driver Shield interface PCA9685 (Compatible) You do not need to continuously send it signal tying up your microcontroller, its completely free running! It is 5V compliant, which means you can control it from a 3. 3V Arduino and still safely drive up to 6V outputs 6 address select pins so you can stack up to 62 of these on a single i2c bus, a total of 992 outputs thats a lot of servos or LEDs Adjustable frequency PWM up to about 1. 6
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