
Overview
The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application engineers.
This medium-power high-efficiency solar power management module allows you to charge a 12V lead-acid battery with a maximum of 4A using a standard 18V solar panel.
Solar Power Manager For 12V Lead-Acid Battery is a medium-power high-efficiency solar power management module, which is able to charge a 12V lead-acid battery with a maximum of 4A using a standard 18V solar panel. It is suitable for applications within 100W, such as 12V lighting equipment, security monitoring, small robots, pumps or environmental monitoring stations.
It features as MPPT(Maximum Power Point Tracking) function, maximizing the output power of solar panels under various sunlight. Compared with common PWM solar controllers, it can improve charging performance by 10%-30%. Benefited from its small size and light weight, it is easier to embed it in your projects.
The module provides dual high-power outputs 5V 5A (OUT1) and 12V 8A (OUT2) and dual USB outputs 5V 2.5A (USB1/USB2). Except USB1, all outputs can be turned ON/OFF by I/O pins of most controllers (3.3V/5V compatible).
This feature helps to dynamically power loads and reduce power consumption. Various protection functions are also employed to ensure the safety and stability of the solar systems.
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Debug your C33 with few steps

Single-board computers (SBCs) are amazing mini powerhouses capable of nearly anything. The undisputed royalty of SBC form factors is our friend, the Raspberry Pi® Model B. An entire ecosystem of expansions, properly called HATs, has formed around its iconic 40-pin double-row header. Today, we are introducing the ultimate mash-up, combining the worlds of SBC and MCU with the newest addition to our Portenta range: the Portenta Hat Carrier. Now available from distributors (Mouser, DigiKey, RS Components) and our online Store, the Portenta Hat Carrier is a reliable and robust carrier that transforms your Portenta system-on-module into an industrial platform compatible with Raspberry Pi HATs, ready for a variety of solutions from workbench prototyping to field applications in the most demanding industrial settings. The Portenta Hat Carrier is specifically designed for the requirements of professionals using Raspberry Pi technology in commercial solutions. With the Portenta Hat Carrier’s modular interface, you can take any Arduino Pro Portenta X8, Portenta H7 or Portenta C33 and add easy access to multiple peripherals – including any Raspberry Pi HAT compatible with the Model B 40-pin header, Ethernet, microSD, and USB. To further simplify commercial applications, the Portenta Hat Carrier features an onboard CAN transceiver, an additional 8x analog I/Os and a PWM fan connector. This ease of use will not come at the expense of your solutions’ reliability, thanks to debugging capabilities courtesy of dedicated JTAG pins. “Portenta Hat Carrier provides a unique bridge between the Arduino and Raspberry Pi ecosystems, offering professionals a modular platform for prototyping to full-fledged industrial applications,” said Massimo Banzi, Arduino’s co-founder, chairman and CMO. “We are excited to offer a product that answers our customers' requests and supports an ecosystem we admire.” Indeed, the Portenta Hat Carrier is great for prototyping and