Circuits & Schematics: pic - 7

61. Program a PIC Processor In-Circuit Using a 3.3-V Supply
    Circuits Supply Microcontrollers Usage Infineon IRLML6402
    .. Conrad Electronic Design In this Idea for Design, placing this circuit setup between the battery V DD bus and the PIC microcontroller allows you to execute in-circuit programming while protecting the application circuit. Many PIC ...
    06-03-2019

62. A circuit to use PIC peripheral outputs simultaneously
    Circuits Interfaces Microcontrollers Usage ON Semiconductor 2N7000 BSS138
    .. Bhattacharjee EDN In PIC microcontrollers, the MSSP (master synchronous serial port) module uses multiplexed pins for the I 2 C and SPI ...
    20-05-2019

63. A simple and fully automatic, 12V uninterruptible power supply system for small/medium power appliances
    Circuits Supply Microchip PIC16F688
    Motivation This is a simple and fully automatic, 12 V uninterruptible power supply system for small/medium power appliances (Figure 1). This power supply specifically designs to drive routers and modems to provide uninterrupted internet and ...
    22-07-2021
64. Use the MCLR Pin as an Output with PIC Microcontrollers
    Circuits Microcontrollers Usage Microchip PIC10F222 2N7002
    .. the MCLR pin either as an external reset or as an input-only pin. Figure 1. Adding a MOSFET and associated circuitry to a PIC microcontroller’s MCLR input pin transforms the pin into an output. This design uses one pin for analog input ...
    02-03-2022
65. Microcontroller Controls Relays via RF Modules
    Circuits Wireless Measurement Microcontrollers Usage Microchip PIC16F1619
    .. for the smart home, this design leverages two PIC MCUs that use a wireless RF transmitter/receiver to control up to six relays and monitor two analog signals. In ...
    25-10-2022
66. Piezoelectric Driver Finds Buzzer's Resonant Frequency
    Circuits Measurement Microcontrollers Usage Microchip PIC18F452
    Piezoelectric buzzers find wide use as audible-signal generators because of their low power consumption and clear, penetrating sound. An external driver or a self-driven circuit that oscillates at the resonant frequency of the piezoelectric element ...
    17-11-2022
67. How To Save Your Wet Cell Phone!
    Circuits Cellular
    .. out of the water as soon as possible don't just look dumb at it while it's drowning, act fast ! Remove it from the water [pic.1].[pic.2] Even doe the phone was under water for only a few seconds the vibration function short circuited, ...
    03-03-2009
68. Fan speed controller
    Circuits Computers and Peripherals Microcontrollers Usage
    .. a minimum fan speed, independent of temperature. The circuit is built with very few components, thanks to a low-cost PIC 16F676 microcontroller . This controller takes care of A/D conversion of the analog inputs, proper signal ...
    22-10-2007
69. Regulated Automotive Switching DC-DC Converter
    Circuits Automotive Supply UC3843
    .. it until I was sure it was performing properly. Downloads Schematic PCB (May 13, 05) Schematic PCB (May 2, 05) Here's a pic from the first prototype, an ugly thing on perfboard.. Here's a shot of it after I finished putting on all the ...
    16-10-2007
70. Stepper Motor Controller
    Circuits Microcontrollers Usage Robots Power
    .. lot of online literature about stepper motors and controlling them. A Google search turned up the circuit below. It uses a PIC microcontroller to sequence the steps, TIP120 Darlington pairs for the switching circuitry, and a 4050 hex buffer ...
    20-10-2007

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