pic pgm programmer
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microcontroller driving 4x7 segment display pic 2
A circuit is being designed to drive a 4x7 segment display using a PIC microcontroller. The previous implementation utilized four pins to control each of the four digits individually, with a sequential activation method. The designer aims to simplify the...
delay circuit for photography
This article outlines the construction of a simple microcontroller-based delay circuit designed for photographic applications such as drop or high-speed photography. It can control the trigger lag of cameras and flash units, generate periodic trigger pulses, or manage magnetic valves....
PIC USB Interface
The second program sends "Hello world" to the PC. By default, the board utilizes the Virtual COM Port (VCP) driver, allowing output to be viewed using Hyperterminal or similar software; PuTTY is recommended. The setup is straightforward: upon connecting the...
GDS Chip Programmer
Generic Digital Switches are in-circuit programmable devices made by Lattice Semiconductor that allow pin to pin routing, buffering, and inversion. Perfect for making last minute circuit changes.
Generic Digital Switches are versatile components utilized in electronic circuits for their ability to...
How to Design Battery Charger Applications that Require External Microcontrollers and Related System-Level Issues
Application note on designing linear and switch-mode (switching DC-DC converter current source) battery charger applications that require external microcontrollers and related system-level issues for notebook computers.
The application note provides guidance on the design of both linear and switching DC-DC converter...
PIC based Oscilliscope
To achieve this project, the initial concept involves sampling an input using an Analog-to-Digital Converter (ADC) at consistent time intervals and subsequently displaying the waveform on a graphic LCD. Adjusting the time scale can be done by modifying the sampling...
Ponyprog for AVR & PIC16F84
All resistors are 1/4W. The circuit is powered by 9...15V DC or AC. When In Circuit Programming (ISP) connectors are used, it is possible for the programmer to be powered from the target's power source. Diodes D2 and D6 protect...
PIC Current Limiter
The PIC/Generation 1 electronics lack any form of current limiting. They depend on the resistance of the stepper motors to maintain the current below 2 Amps at 12 Volts. Unfortunately, the more commonly available stepper motors of the size used...
Night Light Saver
A Microchip PIC12C508 8-pin CMOS microcontroller controls a night light, turning it on and off at preset times every day. It is designed to save energy, produce no electromagnetic interference (EMI), and operate without batteries, featuring a built-in lamp fixture...