Circuits & Schematics Microcontrollers Usage: pic - 6

51. Two PIC pins drive six LEDs
    Circuits Microcontrollers Usage
    .. by multiplexing [1-4] . A Some other Design Ideas use additional logic, which increases cost and size [5]. Figure 1. Two PIC pins drive six LEDs Note that VDD must be between 2V 3V: for example, if LED2 is ON (Table 1), LED4 and LED6 will ...
    03-06-2014

52. Monitor 15 contacts with one PIC input
    Circuits Microcontrollers Usage Microchip PIC12F683
    .. an internal comparator with selectable values for the internal voltage reference V REF . The majority of Microchip 8-bit PIC microcontrollers in the mid-range family feature one or two internal comparators with just this. As a simple and ...
    02-09-2015

53. Microcontroller Solves Complex Temperature Polynomial Equations
    Circuits Microcontrollers Usage Theory LM103 PIC16F887
    .. fast-executing program and simple circuit allows a PIC MCU to linearize a thermistor and accurately determine and display the temperature from its measured resistance. ...
    20-05-2015
54. Portable temperature, humidity and light ambient datalogger. Part 1
    Circuits Automation Microcontrollers Usage PIC18F2620
    .. a voltage divider to adjust the maximum battery value (4.2 V at the end of the charge) to the 3.0 V maximum voltage on the PIC pins. At this time, duration of the battery is around 10 days. With the actual software, there isn’t any low ...
    14-09-2016
55. Versatile Voltage-to-Pulse Train Converter Supports Sensor Data I/O
    Circuits Measurement Microcontrollers Usage ON Semiconductor MC14543B MC14553B
    Ricardo Jiménez and Juan C. Ángeles Electronic Design A basic microcontroller can be used to convert a sensor's analog output into a pulse train, thereby making the output compatible with standard digital I/O ports. When the need ...
    22-12-2016
56. 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
57. 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
58. 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
59. 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
60. 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

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