What library do you need for the Arduino to control this? Any sample code?

Limor Fried wrote a lib and posted it to github: https://github.com/adafruit/Adafruit-PWM-Servo-Driver-Library

V+ at the terminal block is not directly connected to V+ on the rest of the board. How do I get actual power to the servos?

No the V+ of terminal block goes through a tiny transistor but since it does not turn on, you would have to mod the board to get power to servos from that terminal. Others just input to the pin near VCC labled V+

What are the peak amps for this board?

Each of the 16 outputs is limited to about 25mA. That would make the total current capability of the board no more than 400mA.

Hiletgo 2pcs Pca9685 16 Channel 12 Bit Pwm Servo Motor

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🤖 Elevate your robotics game with precision and power-packed control!

BUILT IN SAFETY RESISTORS - Each PWM output line includes 220Ω resistors to protect your LEDs and servos from damage.
COMPACT INDICATOR READY - Sleek 25x61mm board with a green power LED to keep you informed at a glance.
PLUG PLAY CASCADE DESIGN - Easily expand your setup with cascading capability and convenient 3-pin connectors for quick servo integration.
ROBUST POWER COMPATIBILITY - Operates seamlessly on a flexible DC 5-10V range, perfect for diverse robotic projects.
PRECISION MULTI SERVO CONTROL - Manage up to 16 servos simultaneously with 12-bit PWM resolution for ultra-smooth motion.

The HiLetgo PCA9685 module is a compact, 16-channel 12-bit PWM driver designed for Arduino and robotics applications. It supports a DC 5-10V power supply, features built-in 220Ω resistors for output protection, and offers a cascade design with easy servo connectivity, making it an essential tool for professional-grade multi-servo control.

Specifications

ASIN	B07BRS249H
Best Sellers Rank	#30,560 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Motor Drives
Date First Available	March 30, 2018
Is Discontinued By Manufacturer	No
Item Weight	0.915 ounces
Item model number	3-01-1070-2pcs
Manufacturer	HiLetgo
Package Dimensions	4.8 x 3.27 x 0.91 inches

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