Evolv Vapor’s famous DNA 40D board , genuine product in OEM packaging. Splash screen reads “EVOLV DNA 40”. This is the large-screen version which shows voltage on the home screen in addition to temperature and resistance/reference.
From the manufacturer:
The DNA system lets anyone build Evolv’s patented power regulated technology into their own products. The DNA 40 is a power regulated digital switch-mode DC-DC converter for personal vaporizers. It features Evolv’s patented Wattage Control, Temperature Protection, Preheat, Step Up/Step Down Topology, Digital User Controls, OLED Screen, Onboard Buttons and Synchronous Rectification for maximum battery life and minimal heat generation. It is the most advanced personal vaporizer controller ever made.
Datasheet available here.
Check out our temperature control information page here.
Note: To switch modes from F degrees to C, adjust temperature down below minimum. To engage “atty lock” press up/down while the board is not 5x locked.