Controlling PWM Fan with PIC16F684
In this post I’d like to share a design of PWM Fan controller based on PIC16F684 MCU. For Arduino version click here. Previously I’ve designed similar circuits some of them more complex than this one. I recommend you to look ...
PWM Fan Controller
Pulse Width Modulation (PWM) is very common technique for controlling cooling fan speed in Desktop PC. In this project PIC16F877A based Pulse Width Modulation controller was built and tested with 2 fans. 80 mm Coolink SWiF2-80P PWM Fan and Arctic Cooling ...
PIC C Programming
In this article I’ll show you how to program Microchip PIC microcontrollers using HI-TECH PICC compiler and basic PIC development board. The board consists of PIC16F876A, LED bar graph and 20MHz oscillator. PICKIT3 compatible programmer was used to download the ...
PCF8591 I2C 8-bit A/D and D/A converter
In this short tutorial we’ll learn how to control PCF8591 I2C 8-bit A/D and D/A converter with PIC microcontroller. PCF8591 was already used in a number of recently published projects like Function Generator, also I’m planning to add it to ...
Digital Lock
In this post I'm going to show you how to build a simple Digital Lock using PIC microcontroller. Instead of building a new hardware design from scratch we are going to use PIC Development Board as a basis for Digital ...
3 Digit Up Down Counter PIC16F877A
3 Digit Up Down Counter shown here is based on PIC16F877A microcontroller. The count is shown on the 2x16 LCD display and the direction is controlled by a switch connected to bit 3 of PORTA. With minimal changes the attached ...
Kinetic Watch Winder
In this post I’ll show how to build a basic kinetic watch winder using PIC microcontroller and stepper motor. Kinetic watches do not require changing the battery as frequently as in quartz watch however despite their many advantages they have ...
Blinking LED with PIC16F684
This very simple design shows how to make a blinking LED using PIC16F684 MCU. In my previous post I’ve used PIC16F877/86 however most of basic circuits do not require a lot of I/O pins and PIC16F684 small 14 pin package is more ...
Dual Voltmeter Amperemeter LCD
In this post a simple Digital Dual Voltmeter and Ampere meter design will be shown. It uses PIC16F876A microcontroller and 2x16 LCD display and has 2 input channels for measuring voltage in 0-25v range and current up to 500mA. The ...
Digitally Controlled Power Supply 2
This is an update to a recent post on a subject of building a Digitally Controlled Power Supply. In part 1 a basic configuration was presented. In this version a numbers of modifications were made to software/hardware to produce a more advanced ...
