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circuit tips

Atmel ICE header adapter

The Atmel ICE is a fantastic tool for programming and debugging AVR and Atmel ARM chips. However, the included cable has a connector with a pin pitch of only 1.27mm. I made a header adapter to make this Atmel ICE more useful for normal spaced 2.54mm connectors.

Atmel ICE with header adapter

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circuit

Random timer circuit using a Attiny24A

This random timer circuit is based on a Atmel ATTINY24 avr driving one power relay. You can use this circuit to switch on and off other circuits randomly. For example, when using this circuit on a model railroad you can turn on and off parts of the animated or moving scenery to create a more dynamic view.

attiny24 random timer circuit prototype

This circuit was designed to be used on a modular model railroad. This model railroad contains different flashing light on ambulances, police cars and fire engines. These lights are on all the time, with this circuit I hope to keep visitors of a model railroad exposition more interested while watching all the action.

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circuit

Tiny DCC decoder for leds

This tiny DCC decoder has been made to drive 8 leds. Instead of using a more expensive turnout decoder this may be a nice alternative.

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circuit

Attiny13 green double led dice

Try making a double led dice with 14 leds driven only by 4 available pins of an Atmel Attiny13a. I did it, and it worked.

Attiny13a charlieplexed double green led dice