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Light-Up Poker Chip

Spice up your poker games with these cool blinking chips. They can be programmed on the fly to have a certain number of the LEDs illuminated to indicate value, or you can have the lights blink in a cool pattern. They make great playing chips for championships or great prizes to hand out to the winners. Let's get started! In order to get this circuit as small as it is you'll need to order the printed circuit ...

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Convert $2 LED Lamp to $50 Smart Lamp

A smart bulb is an internet or Bluetooth-capable LED light bulb that allows lighting to be customized, scheduled and controlled remotely. Smart bulbs are among the most immediately successful offerings in the growing category of home automation and Internet of Things (IoT) products. In today's market many types of smart bulbs are available form price $10 to $100. But, can you think you can convert a low pri ...

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Bluetooth remote controllable (Lego) cars

How it started It started with the idea to make a technical proof of concept combining the Physical Web and WebBluetooth. The Physical Web is an effort by Google to allow interacting with "things" without fiddling around with installing apps or setting anything up. The basic idea behind that is that the "thing" broadcasts a web URL for the client to interact with it. You can read more about it here: https:/ ...

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wozItDo: Tiny IQ puzzel, BIG challenge

Hardware components: Atmel ATTiny85 × 1 LED (generic) × 3 Resistor 221 ohm Or similar, I used 220 ohm × 3 SparkFun Pushbutton switch 12mm or similar × 1 Coin Cell Battery Holder × 1 Coin Cell Battery CR2032 any 3v cell that fits is fine × 1 Hand tools and fabrication machines: Soldering iron (generic) Story I think of this puzzle as the electronic equivalent of those annoying "IQ" puzzles (e.g. where you ha ...

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Yet Another Z180 (YAZ180) Project

I’m thinking about a new project, something a little unusual but still with a rich history of information upon which to base the build. On Tindie, I found the RC2014 project which is a build of a Z80 platform but based on some modern components. That got me thinking. My next project must be a Z80 based project. Why the Z80? Well, it was at one stage the most used CPU in the world, which leads to the great d ...

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ESP8266 Wifi enabled 8×64 pixel LED matrix display

This project is a modification of my previous Bluetooth-enabled LED matrix display project, which used 8×64 monochromatic LED matrix (total 512 LEDs) for displaying scrolling text message. The original project used Bluetooth for display data transfer from a smartphone, but this one now uses Wifi. The display message is sent through web browser to a ESP8266 module that is configured as a web-server. No Ardui ...

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ATmega32 Switch Toggle Program

ATMega32 switch code is extremely simple to implement, and this article looks into how to write the code to make an LED light up when a switch is pressed. The atmega32-switch-code.c program tests the switch input to the ATMega32 Development System. There are many ways to write the code, but I have chosen the simplest way possible so everyone can understand. Therefore, instead of using “case”, I am using “if ...

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