4-Digit Frequency Counter and Voltmeter

The project is a 4-digit LED voltmeter and frequency counter that was previously based on PIC16C71 but was replaced by 28-pin device PIC16F876.

DIY Power Meter

Measuring the power drawn by electrical appliances accurately is achieved by this Enerjar project which is an easy-to-build device.

USB-Interfaced Wireless Sensor for Humidity and Temperature

The project is an improved version of the firmware-only USB implementation of remote Sensor with the main change of replacing the analog sensors with a Sensirion SHT11 digital temperature and humidity sensor.

Serial Port Based Mechanical Hit Counter

The purpose of the mechanical hit counter is to physically count the page hits of a website instead of using software only while being interfaced through serial port.

Thermostat Device with SHT15 to Arduino Connection

The connection of SHT15 with Arduino is useful for thermostat projects that are often requiring some kind of humidity and temperature sensor.

Rain Gauge Data Logger Using AVR

A tipping-bucket rain gauge contains values that are being saved by this data logger project in order to determine and measure the intensity of rainfall.