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Practical Electronics Learning with DIY. Practical Experiments forge the book, college or web learning into a Skill.

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Monday, January 21, 2019

Measureall Workbench Test Instrument

This was a Student Project, it is a very basic instruments that could do most of the tasks on a test bench.

The cabinet used, was available as a part of a Hi-Fi DIY System, The Range and Mode switches were Modular Stackable Interlocked MultiPole Switches. The rest of the Interface were wirewound pots, jacks, sockets and plugs. The front panel was Engraved Acrylic.

I wanted it to look well engineered, at least on the outside. It was a total analog instrument except for the digital indication of ICL7107. Thanks to 'Intersil Hot Ideas' Applications Book.

MeasureAll Benchtop Instrument
The above belong to an instrument Measureall shown

Friday, January 18, 2019

Bakatronics - DIY Kits and Model Railroads

Bakatronics LLC designs and manufactures innovative electronic circuits for model railroads.  For the last decade Baka has been creating new ways to make your model railroads "come alive". 

Bakatronics - DIY Kits and Model Railroads

The Kits include the Lighthouse Flasher, Emergency Lights, Airport Beacon, Campfire and Super Welder Flash kits All are based on advance micro controller technology and will enhance any railroad.

Bakatronics - DIY Kits and Model Railroads

FK945 Digital Temperature Controller kit

This circuit can be used to control when an appliance or device turns on and off by temperature. 3 Digit Read Out and easy to set buttons.

Wednesday, January 16, 2019

Let’s make robots – It is a Crowd of Bots

Let’s Make Robots is the ultimate community site where you can learn about robots, see what others have built, ask questions and get to know others in the community.

Let’s make robots – It is a Crowd of Bot

Navigate around via ultrasound. Detects fire and fight against it. CPU: Atmel ATmega328

It is named Mr. "Red" Adair, named after the well known firefighter Paul "Red" Adair. An Atmel ATmega328 controller acts as brain together with a Pololu LVDSMC as motor controller.

Firefighting robot

Mr. "Red" Adair - Firefighting robot

For the blower motor (robbed from a defect hair dryer) a simple logic level N-FET (IRL540N) has been used. The chassis is from a cheap RC car illumninated with red, white and blue LEDs. As power supply 3 AA cells for the drive motors are used. A 9V battery block has been used for the blower motor and the 5V regulated controller supply