Roman Letňanský

Roman Letňanský

Roman Letňanský
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This instructable show how to use an ATtiny85 to create a tiny watch core that can run over 1 year before recharge or replace battery.The instruction to make the watch case may be in next instructable.I have made a few Arduino watch before, but I found the watch using ATmega boards or ATmega chips are a little bit too big to wear. So I would like to make it with a smaller chips.I have choose ATtiny85 just because I can easy to get one.The challenges for using ATtiny85 are: It only have 8K…

This instructable show how to use an to create a tiny watch core that can run over 1 year before recharge or replace battery.The instruction to make the.

Attiny RGB Mood Light

Making an RGB led fader might seem simple, but shrinking it down to a tiny chip is extremely cool. The reason this is hard is because to fade leds we would normally.

Superb Lab Power Supply

From my point of view one of the best ways to get started in electronics is to build your own laboratory power supply. In this instructable I have tried to collect.

DIY Wifi Radio Construction

This article is the first of a series that will document the development of a low cost, open source wireless streaming internet radio receiver. All construction details, including schematics, sour…

OLED Display

It is very difficult to identify the good cells in battery.