diy • Page 3 of 4 • Tech Projects

A DIY indoor thermometer plus hygrometer using PIC16F688

Leave a Comment / Using Pic Microcontroller / By Tech Master

This project is about building a microcontroller-based digital room thermometer plus hygrometer that displays temperature and relative humidity on 4 large (1 inch) seven segment LED displays which adjust their brightness level according to the surrounding illumination. It consists of a closed loop system that continuously assesses ambient light condition using an inexpensive light-dependent resistor …

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DIY Datalocker Using Pic

Leave a Comment / Using Pic Microcontroller / By Tech Master

How to turn and ordinary external harddrive into a datalocker using only a PIC microcontroller, a keypad and some various other components. Step 1: Parts The parts you need: – 3.5″ SATA harddrive enclosure – 2.5″ SATA harddrive NOTE: This will not work with a 3.5″ IDE enclosure and a 2.5″ IDE drive without a …

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Single-Axis PIC Controlled Solar Tracker DIY Kit

Leave a Comment / Using Pic Microcontroller / By Tech Master

Hi All I’m not going into as much depth with this instructable due to my current time constraints. That said, I fully plan on updating this instructable as time progresses with new algorithms and programs for optimization.Intro: I was messing around with some new stepper motors one day, and I decided to make a light …

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Incredible DIY iPhone Macro Using Pic

Leave a Comment / Using Pic Microcontroller / By Tech Master

After taking apart dozens of disposable cameras over the years, I found myself with a lot of lenses of varying sizes and nothing to use them for… until now! By making a simple carriage that would hold the lens and attach to my iPhone via rubber band, I was able to make a virtually free …

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Echo Mp3 DIY Audio player using PIC18F46K20

Leave a Comment / Using Pic Microcontroller / By Tech Master

The EchoMp3 is a small DIY* Audio player. Mp3, Wav, Ogg-Vorbis, Wma and Mid formats are supported. 4, 8, 16 GB SDHC cards used as storage. FAT (FAT16) and FAT32 supported. Low power operation with two AA (HR6) 1V2 Ni-Mh batteries. Power input range is +2.4V … +3.0V Runs on a PIC18F46K20 at 64 MhZ. Up to 320 kBps bitrate CBR …

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DIY Laser Cutter for PCB Stencils

Leave a Comment / Tech News Updates / By TechExpert

Are you sick and tired of using a tooth pick to apply solder paste? Are you still using through hole components because you don’t want to deal with soldering surface mount devices (SMD)? If so, this post provides you with guidelines for building your very own laser cutter for cutting PCB stencils. With a total …

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DIY PCB with flat VIA’s

Leave a Comment / Tech News Updates / By TechExpert

Catching up the development of printed circuit boards at home I often faced with the problem of “the bulbous” vias. Usually homemade double-layer boards soldering from both sides with the thin wire, the result usually satisfied but if you need to make VIA under the chip TQFP48, SOIC16 and that’s is a real problem, if …

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DIY USB 5V Solar Power Bank

Leave a Comment / Tech News Updates / By TechExpert

Solar energy is renewable, free, widely available and clean form of energy. It is considered as a serious source of energy for many years because of the vast amounts of energy that is made freely available, if harnessed by modern technology. Many people are familiar with so-called photovoltaic cells, or solar panels, found on things …

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FPV drone teardown

Leave a Comment / Tech News Updates / By TechExpert

My lower-midrange Hubs an X4+ FPV drone got stuck in a tree in the middle of winter. We managed to knock it down a couple of months ago (the drone, not the tree), while there was still lots of snow to cushion the fall. After weathering the elements for over a month, it appeared to …

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Open Source DIY Laptop Kit By Olimex

Leave a Comment / Tech News Updates / By TechExpert

Olimex Ltd is a Bulgarian leading provider for development tools and programmers for embedded market. The company has 25+ years’ experience in designing, prototyping and manufacturing printed circuit boards, sub-assemblies, and complete electronic products. The latest amazing product by Olimex is an open source laptop DIY kit called: TERES I. TERES I is open source …

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