Digital Alarm Clock Featured Image

Digital Alarm Clock

Digital Alarm Clock design based on PIC16F876A will be demonstrated in this post. Various modules from earlier project were implemented in  current design hardware and source code. For example it uses the same 7-Segment Display and multiplexing routing as in ...
7-Segment-Display-Counter-with-Arduino

7-Segment Display Counter with Arduino

Recently I’ve published a basic Binary to Hexadecimal converter design based on Atmega 2560 chip. The same set up can be used for building a simple UP/Down counter with Arduino Mega compatible board. 7-Segment display and its I/O stayed the same ...
Raspberry-Pi-Digital-Clock-with-16x2-LCD-Featured-Image

Raspberry Pi Digital Clock with 16×2 LCD

Raspberry Pi based Digital Clock with 16×2 LCD display is a relatively simple project.It requires only a small set of components and can be completed in less than an hour. Previously I’ve published similar designs based on other popular platforms ...
Arduino-PWM-Fan-Controller-Featured-Image

Arduino PWM Fan Controller

This implementation of Arduino based PWM Fan Controller is simple circuit that allows controlling fan speed by varying the duty cycle of the output signal. For PIC16F684 version click here. I’ve tested with Deepcool 120mm fan and it works OK, ...
Interfacing VFD Display Featured Image

Interfacing VFD with PIC Microcontroller

Vacuum fluorescent display can be a good alternative to a Liquid-crystal displays in some applications. They have a number of advantages over LCD like extended temperature range and excellent contrast in high brightness environment. The main disadvantage is higher power consumption ...
Digital-Clock-with-1602-LCD-Shield-Board-for-Arduino-Featured-Image

Digital Clock with LCD Shield Board for Arduino

Arduino clock can be implemented by using LCD Shield Board for Arduino. This shield can simplify the prototyping process of many Arduino based circuits. It incorporates a 16x2 display and a basic 6 buttons keypad thus removing the need for ...
Humidity-and-Temperature-Sensor-DHT11-with-Arduino-Featured-Image

Humidity and Temperature Sensor DHT11 with Arduino

Interfacing Humidity and Temperature Sensor DHT11 with Arduino platform is the topic of this post. I’ve published a number of designs with various temperature sensor, both digital and analog. Here you can see how to use LM75A digital sensor with ...
Fading LED with PIC microcontroller Featured Image

Fading LED with PIC microcontroller

This article shows how to create a fading/dimming effect of the LED using PIC micro-controller. For similar design based on Arduino click this link.Controlling LED brightness using PWM is a relatively simple task and can be accomplished by configuring PIC16F877 ...
Sine-wave-generator-PCF8591-I2C-Arduino-Featured-Image

Sine wave generator PCF8591 I2C Arduino

The topic of this post is building sine wave generator based on Arduino UNO and PCF8591 8-bit A/D and D/A converter. For similar design with PIC micro-controller look at this link. Raspberry Pi version based on MCP4725 DAC available at ...
1Hz Clock Generator Featured Image PIC16F876A

1Hz Clock Generator using PIC16F876

In this article we’ll see how to generate 1 Hz clock with PIC16F876/877 PIC microcontrollers. 3 different approaches will be demonstrated. The most basic solution is to use nested loops to “waste” enough instruction cycle time in order to produce ...