Tag Archives: attiny85

Multi-mode pen light: ATTiny85 with RGB LED

This is a bread board prototype of a multi-mode pen light. It shines white, red, green, and blue light. Intensity is adjustable. Strobe, emergency flasher, ‘psychedelic,’ and candle simulation functions. It’s powered by a USB phone battery charger pack and … Continue reading

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Making a flickering candle with an RGB LED and an ATTiny85 chip

Normally you don’t use an ATTiny85 to drive an RGB LED, because an RGB LED needs three pulse width modulation pins and the ATTiny85 only has two. ¬†However, for the application of a flickering candle, you need only two PWM … Continue reading

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ATTiny 45/85 Pin Conventions for Arduino IDE Sketches

The main source for information on how to program the ATTiny using the Arduino IDE is found at the MIT High-Low Tech site. But I found the information on the pinouts rather opaque for the newbie (= me), so as … Continue reading

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