Atmel AVR Butterfly 4 By Phillip TorronePhillip Torronecurrent: @adafruit - previous: MAKE, popular science, hackaday, engadget, fallon, braincraft ... howtoons, 2600... View more articles by Phillip Torrone @adafruit August 23rd, 2005 4 MAKE flickr pool member mrbill is tinkering around with an AVR Butterfly 4- Atmel AVR Butterfly microcontroller evaluation kit. Also has temperature sensor and speaker. The best thing – it’s only $20! In the photo, he spells MAKE! Link. Tagged DIY Projects By Phillip TorronePhillip Torronecurrent: @adafruit - previous: MAKE, popular science, hackaday, engadget, fallon, braincraft ... howtoons, 2600... View more articles by Phillip Torrone @adafruit Discuss this article with the rest of the community on our Discord server! ADVERTISEMENT Subscribe now to Make: MagazineThe official magazine of Maker Faire Related Articles from Make: From the Shed: New ArrivalsFlipper Zero Add-On: CANBus – Pentesting Tool$36.95xTool S1 Enclosed Diode Laser Cutter$999.99xTool MetalFab Laser Welder/ CNC Cutter$999.99 Get Make: Magazine $19.99