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Battery Charger

Boost Converter

Power Supply

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AMS1117 3.3V 1A Regulator Power Supply Circuit

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The AMS1117-3.3V module is a voltage regulator circuit board with overheat protection functions. It can convert an input voltage range of 4.8V to 10.3V DC at 1A of current to a fixed +3.3V DC output. This can serve as an additional power supply for various electronic components, circuit boards, or power the LEDs (up to a maximum of 3 watts). Here, we will discuss and explain the workings of this compact DC-DC regulator power supply along with its circuit diagram .
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LM7805 5V 1A Regulator Power Supply Circuit

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The LM7805 circuit board is a voltage-regulated linear power supply that efficiently converts an input voltage within the safe range of 7V to 12V AC or DC to a fixed +5V DC output, capable of delivering a current of up to 1.2 Amps (with Heat Sink). It is suitable for providing additional power to various electronic components, charging modules, or powering LEDs (max 5 watts). Here, we will discuss and explain the workings of this positive DC power supply along with its circuit diagram .
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TP4056 3.7V Lithium Battery Charger Circuit

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The TP4056 battery charger is designed to safely and efficiently charge a single rechargeable 3.7V lithium battery. The circuit board can operate with a DC 5V 1A input and can be powered by a smartphone charger's USB mini cable. It charges Li-Ion/Li-Pol batteries to their nominal voltage of 4.2V with a steady current (programmable) of 1000mA while continuously monitoring the voltage level for Battery Overcharge protection . Two different color LEDs are included on the TP4056 circuit board to indicate the charging status. The red LED light during the charging process and automatically switches to blue LED light when the lithium battery is fully charged. The circuit is available with or without Battery Short-circuit protection feature. Here, we will discuss and explain the workings of this 3V7 lithium battery charger along with its circuit diagram .
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