Redkoh RK2281 Rapper Keypad Display R4149 V1.30 is a keypad display module from Redkoh that integrates a user keypad with a display interface in one unit. The product is identified by part number RK2281, with revision R4149 and version V1.30. This variant is intended for applications where operator input on a keypad is coupled with on-board visual output, enabling simple control panels and standalone interfaces in embedded projects.
