Projects

Chachka Trinket clone

Chachka (Trinket clone)

Chachka is born! Chachka is an Adafruit Trinket CLONE built from the ATtiny85 microcontroller.  Because it is a current Adafruit product, it has a training guide and its own support forum and lots of sample code.  All of this means that like an Uno clone, the Chachka will be well supported with firmware and libraries and […]

Waterproof 10 Minute Timer

Waterproof 10 Minute Timer

Story I went for a shower one day, was getting late for office. Running tight on time, but I didn’t want to come out of hot shower in cold morning. Without any clock in my bathroom I was saying to myself “Lets enjoy the shower for few more minutes, I might be over estimating the […]

Build the Internet for your friend

Build the Internet for your friend

Background A few years ago, a co-worker turned me on to this TV program called “The IT Crowd”. The show revolves around a two-person IT team and their “Relationship Manager”, Jen, who inadvertently landed the job by including some basic PC skills on her resume. Moss and Roy resent her for getting the position both […]

Arduino Lead Acid Battery Capacity Tester Updated

Arduino : Lead Acid Battery Capacity Tester (Updated)

Story Yosh ! At last, finished working on this project. I have been working on this project for a while, then got bored and left the remaining work ( mostly firmware ) for a couple of months, ah ! the longest project I ever did ! What’s all this about ? This project is about […]

ATTiny Joule Thief NeoPixel

ATTiny Joule Thief NeoPixel

Introduction I’ve been fascinated with joule thief circuits since I made my first one.  It’s amazing what all you can power from a single AA or AAA battery.  The only problem is you can’t do much beyond light up an LED because the current isn’t “always on”.  With a couple of extra components, you can […]

PicoDuino Digispak RGB LED Button Relay Driver

PicoDuino = Digispak + RGB LED + Button + Relay Driver

Hardware components: Atmel ATTiny85 × 1 DigiSpark × 1 Software apps and online services: Arduino IDE STORY StartFragment How to get FREE board Order 1pc Picoduino board Create project max. 30 days from order Write project steps on instructables … Include link to my store Ebay or Tindie Write my message with link I refund […]

IR Thermometer Stopwatch Cooking Timer Inactivity Tracker

IR Thermometer, Stopwatch, Cooking Timer, Inactivity Tracker

Hardware components: Arduino UNO & Genuino UNO × 1 Adafruit MLX90614 × 1 Atmel AVR for Arduino 328P/168P/8A × 1 SparkFun 7-Segment Serial Display – Red 3 digit display used × 1 Breadboard (generic) 8×2 cm × 2 16 MHz Crystal × 1 Slide Switch × 1 30 mm Red Push Switch any big red […]

DIY Programmable SCPI Bench Power Supply

DIY Programmable (SCPI) Bench Power Supply

Hardware components: Arduino Due × 1 LTC3864 × 2 Texas Instruments TL783 × 2 Texas Instruments REF5025 × 2 Texas Instruments DAC8552 × 2 ADG465 × 2 Texas Instruments TS5A9411 × 2 Texas Instruments ADS1120 × 2 Texas Instruments Quad Comparator × 2 Texas Instruments TLC5925 × 1 Silicon Labs Si8641EC-B-IS1 × 2 Silicon Labs […]

Zoned Climate Control with MediaTeks LinkIt™ Smart 7688

Zoned Climate Control with MediaTek’s LinkIt™ Smart 7688

Hardware components: MediaTek Labs The MediaTek LinkIt™ Smart 7688 platform × 1 Everything ESP ESP8266 ESP-01 × 1 Arduino Nano R3 × 1 Atmel ATTiny85 × 1 DHT22 Temperature Sensor × 1 Servo (generic) × 1 Software apps and online services: Arduino IDE STORY Winter is coming When my wife and I had our first child […]

Infrared Dedicated Decoder

Infrared Dedicated Decoder

Hardware components: Atmel ATTiny85 × 1 Attiny85 IR code for Sony protocol Attiny85 IR code for Sony protocol Download /* IR remote control (Sony) detection for Arduino, M. Burnette Binary sketch size: 2,794 bytes (of a 8,192 byte maximum) ☺ 20130103 MRB Modified for interface to Mega2560 Europa codebase for menu system ☺ 20121230 MRB […]

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