Circuits & Schematics Microchip - 7

61. LiPoly charging with MCP73833
    Circuits Supply Power Microchip MCP73833
    For my latest projects I used a lot of single cell lipo batteries. They are really nice. High power density, low self-discharge, no memory effect and they can deliver quite an amount of current. But lipo battery handling is a bit more complicated ...
    Nov 15, 2009
62. An AVR Microcontroller Based Ethernet Device
    Circuits Networks Microcontrollers Usage Microchip ENC28J60
    Abstract: Ethernet has traditionally been a quite complex interface. All Ethernet chips until today had 100 pins or more, where difficult to find in small quantities and difficult to use from a small microcontroller with little memory. Microchip ...
    May 11, 2009

63. How to build a USB device with a PIC 18F4550 or 18F. The 18F4550 experimentation board
    Circuits Interfaces Embedded Systems Microcontrollers Usage Microchip PIC18F4550 PIC18F2550
    PIC 18F4550 and 18F2550 are powerful microcontrollers including a full-speed USB V2.0 compliant interface. With these MCU it's very easy for the hobbyist to design USB devices with very few components. In these pages, I'm describing how to ...
    Sep 28, 2008
64. Microcontroller Functions as Voltmeter
    Benabadji Noureddine
    Circuits Measurement Microcontrollers Usage Microchip PIC16F84A-20P PIC16F628A
    PIC microcontroller and FETs enable a four-digit voltmeter. The circuit in Figure 1 is an extension of a previous Design Idea on how to use an analog input in a microcontroller lacking a built-in ADC, and it takes into account tricks from another ...
    Oct 8, 2007

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