NHD-0420CW-AB3 Character OLED Display Module NHD- Newhaven Display 0420- 4 Lines x 20 Characters CW- Character OLED Module A- Model B- Blue 3- 2.4V~5.5V Supply Voltage Newhaven Display International, Inc. 2661 Galvin Ct. Elgin IL, 60124 Ph: 847-844-8795 Fax: 847-844-8796 www.newhavendisplay.com nhtech newhavendisplay.com nhsales newhavendisplay.com Document Revision History Revision Date Description Changed by 0 12/15/2014 Initial Release AK 1 4/6/2015 Pin Description, Electrical Characteristics Updated PB 2 2/1/16 Recommended Connector P/Ns Added SB 3 2/2/17 Thru-Hole Diameter Increased, Quality Table Updated, I2C SB Interface Updated Functions and Features 4 lines x 20 characters Built-in LCD comparable controller 4/8-bit Parallel, SPI, or IC MPU interface 2.8V or 5.0V operation RoHS compliant Slim design 2