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Posts tagged Semiconductors

Microchip is a leading provider

PIC18F4525 device. Microchip is a leading provider of microcontrollers and analog semiconductors PIC18F4525 device. Microchip is a leading provider of microcontrollers and analog semiconductors

The four channel PMT controller board

Controller Circuit Board The four channel PMT controller board is a PIC microcontroller based device that communicates with a PC by USB as an HID device and with a PIC-based “hand unit” via PIC-to-PIC RS-232 protocol. These two external inputs (USB and RS-232) send strings to the PMT controller that: * Sets the four high […]

InPowered battery charger circuit

InPowered battery charger circuit diagram schematic 6V-12V using NE555, LM7812, 2SA671, 1N4002, BC549 auto battery charger circuit On a lithium-ion cell, 3.8V/cell indicates a state-of-charge of about 50%. It must be noted that utilizing voltage as a fuel gauge function is inaccurate because cells made by different manufacturers produce a slightly different voltage profile. This […]

500W Car Power Amplifier Circuit

500W Car Power Amplifier Circuit using 1N4148, 2N4401, TIP31, TIP3055, 1N4002, TIP2955, TIP32, BD139, TL072

Solid state Charger circuit

Solid state Charger circuit Charge Coupled Mosfet Relay using 74C14, IRF640

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