Energy & Shifting Paradigms circuit

A solar charger for an iPod is no more difficult than creating a solar battery charger. Built-in iPod batteries operate at 3.7 Volts, with capacity (measured in mAh) varying by iPod model—e.g., 1,200mAh for a 2nd Gen, 850mAh for a...

Chloroplast solar engines

The heart of the Chloroplast is the Motorola MC34164-3 Micro power Undervoltage Sensing Circuit (U1 in the following diagram). In normal use, this component monitors the voltage at pin 2, and applies a ground at pin 1 (out) when the...

5v Regulated Solar Power Supply Circuit

This project uses the 1.2v rechargeable battery and solar panel from a Solar Garden Light. These lights can be bought for less than $5.00 in most $2.00 shops or similar shops that sell general household items. We are also using...

Tip a battery discharge control circuit

The discharge control circuit consists of a battery management system designed to prevent over-discharge of a battery. It features a relay control mechanism that activates when the battery voltage drops below a specified threshold of approximately 10.5V. The circuit includes...

The Easter Solar Engine

A solar engine is a circuit that collects and stores electrical energy from solar cells. When a specific amount of energy has been accumulated, it activates a switch. The solar engine circuit typically consists of several key components: solar cells, a...

Solar Lamp Using PR4403 circuit

The PR4403 is an advanced version of the PR4402 40mA LED driver. It features an additional input known as LS, which can be activated by pulling it low to illuminate the LED. This functionality simplifies the construction of an automatic...

Simple Solar Table Lamp Circuit for your Home

Solar energy has become a popular alternative for electricity production. This project focuses on teaching school students how to create solar lamps for their homes. The primary components of this simple solar lamp circuit include a small solar panel and...

Harnessing the sun with solar garden light

With the world's non-renewable resources being consumed at an alarming rate, it is not surprising that the term "environmental" appeared in the key concepts of the new curriculum released 2 ½ years ago. The program of study emphasizes the opportunity...

SCC2 10 Amp Solar Charge Controller

The SCC2 is a solar charge controller designed to manage the power transfer from a photovoltaic panel to a rechargeable battery. It includes a straightforward setup process utilizing a single potentiometer for adjusting the float voltage, an equalization function for...