CB2 microcomputer

Features:

Standalone, no need for a PC to program and display.
16 foreground and background colors (PAL/NTSC) on TV SCART (RGB/Hsync/Vsync), pseudographics and grayscale composite onboard. More colors possible with dithering. Color composite/HDMI/VGA support with external converters.
Sound with envelope and volume adjustment.
PS/2 keyboard (or USB with adapter), RS232, 2x serial TTL, LPT, 8x A/D inputs and I2C, all BASIC controlled.
Tiny-BASIC with featured embedded editor, Chip8, SCHIP, 8080 and AVR-native binaries supported.
8 programs storage in internal flash, cross programs calls, external flash and EEPROM options.
Terminal program, color terminal, X-modem transfer, PC connectivity, networking.
Games, applications, libraries and hardware extensions available. Automatic program execute option on boot.
Easy to assemble, through hole of-the-self components (no pre-packaged modules) and cheap!
And much much more to discover yourself...

CB2 micro The CB2 micro is not for sale but if you are interested in building one please contact me as I can provide you useful information and components. Watch the CB2 micro videos on	CB2 micro Perhaps, the cheapest and easiest to build single-chip microcomputer in the world! Features: Standalone, no need for a PC to program and display. 16 foreground and background colors (PAL/NTSC) on TV SCART (RGB/Hsync/Vsync), pseudographics and grayscale composite onboard. More colors possible with dithering. Color composite/HDMI/VGA support with external converters. Sound with envelope and volume adjustment. PS/2 keyboard (or USB with adapter), RS232, 2x serial TTL, LPT, 8x A/D inputs and I2C, all BASIC controlled. Tiny-BASIC with featured embedded editor, Chip8, SCHIP, 8080 and AVR-native binaries supported. 8 programs storage in internal flash, cross programs calls, external flash and EEPROM options. Terminal program, color terminal, X-modem transfer, PC connectivity, networking. Games, applications, libraries and hardware extensions available. Automatic program execute option on boot. Easy to assemble, through hole of-the-self components (no pre-packaged modules) and cheap! And much much more to discover yourself... Latest news: Blocky game added. [6 Jul 2025] RF modulator extension added. [4 Nov 2023] CB2 micro has a black SCART connector from now on. [10 Mar 2023]		Games / Applications A collection of games & applications for the CB2 micro. Sample programs: Click here to send me your developed game/app!
			Extensions A collection of extensions for the CB2 micro. Dataflash Color composite video/S-video USB connectivity RF modulator 64K memory Local Area Networking External EEPROM Printer connector Battery PSU Programmer PS/2 keyboard 3D printed case Click here to send me your developed extension!
Building guide Follow these instructions to assemble your CB2 micro.	User manual Find out how to operate your CB2 micro.	BASIC manual Program your CB2 micro easily and quickly.	Technical manual Technical things for the more advanced users.