Boards by bkw777

84 boards

Open-source boards designed in KiCad by bkw777 on GitHub, from 18 repositories. A board’s address here is its repository’s there.

2 layers35.6 × 17.8 mm
FlexROM 200 M13
bkw777/aDIPters
PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
9 parts32CC-BY-SA-4.0
2 layers35.6 × 20.3 mm
Model T RAM
bkw777/Model_T_RAM
8K RAM module for "Model T Computers" - TRS-80 Model 100, Kyotronic KC-85, NEC PC-8201, Olivetti M10
5 parts19
2 layers38 × 16.6 mm
REXCPM bkw
bkw777/REX_Classic
REX for TRS-80 Model 100, 102, 200
19 parts13
2 layers54 × 54 mm
WP-2 IC Card MRAM 033
bkw777/WP-2_IC-Card
IC Cards for TANDY WP-2
35 parts13
2 layers50.8 × 22.9 mm
MounT K85 Feather
bkw777/MounT
Mount an MCU board on a "Model T" computer
10 parts12GPL-3.0
2 layers255.3 × 43.2 mm
NODE DATAPAC 256K bkw
bkw777/NODE_DATAPAC
Reproduction & documentation of Node Systems DATAPAC
31 parts7
2 layers38 × 16.6 mm
Meeprom
bkw777/Teeprom
These are all virtual UV EPROMS / virtual mask roms, using electrically programmable EEPROM, FRAM, or FLASH with the pinout adapted to work in place of 27Cxx UV/OTP EPROMS or standard mask roms, on a specially shaped…
8 parts7CC-BY-SA-4.0
2 layers21.7 × 10 mm
BCR Breakout
bkw777/BCR_Breakout
Adapter to get 5vdc from the BCR port on TRS-80 Model 100 and similar computers, and provide it on a standard usb port.
2 parts6CC-BY-SA-4.0
2 layers36.4 × 13.3 mm
Z88 RS232 Model T
bkw777/Z88_RS232
Convert a Cambridge Z88 serial port to a standard serial port
3 parts5GPL-3.0
2 layers51.3 × 18.3 mm
ReQUAD
bkw777/reQUAD
A modified respin of Steven Adolph's QUAD memory expansion for the TRS-80 Model 100
16 parts4
2 layers10.4 × 13.3 mm
TPDD Cable 1
bkw777/TPDD_Cable
TTL-RS232 level-shifting cable for Tandy Portable Disk Drive
11 parts4CC-BY-SA-4.0
2 layers12.9 × 34.7 mm
WiModem to 100
bkw777/WiModem_to_100
RS-232 male-male gender-changer for connecting a WiModem232 to a TRS-80 Model 100, or any of the similar machines which has a female DB25 RS-232 DTE connector.
2 parts4CC-BY-SA-4.0
2 layers36.1 × 25.5 mm
TANDY 200 Dual RAM tsop
bkw777/TANDY_200_RAM
Option RAM modules for TANDY 200 portable computer
5 parts3
2 layers57.2 × 19.1 mm
TANDY 600 RAM DUAL
bkw777/TANDY_600_RAM
96K SRAM for TANDY Model 600
8 parts3
2 layers40.6 × 41.9 mm
Molex 7880x 28 BUS TAP part B
bkw777/Molex_7880x_bus_tap
Bus tap to connect a logic analyzer between a Molex 7880x socket & chip carrier. (TANDY 100/200, Epson PX-8 Option ROM sockets)
5 parts2AGPL-3.0
2 layers50.8 × 20.3 mm
ATF150x uDEV
bkw777/ATF150x_uDEV
Tiny dev board for ATF1502AS(V)(L)-xAx44 and ATF1504AS(V)(L)-xAx44
14 parts1
2 layers38 × 16.6 mm
REX ATF
bkw777/REX_ATF
Option-ROM library for TANDY Model 100/102/200
12 parts1
2 layers83.3 × 24.1 mm
FluxEngine Hat CDC standard
bkw777/FluxEngine_Kit
PCB, links and directions to build a FluxEngine.
8 parts
2 layers35.6 × 17.8 mm
28C256 to 27C256
bkw777/aDIPters
PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
4 parts32CC-BY-SA-4.0
2 layers17.8 × 10.2 mm
DS1000 DIP14
bkw777/aDIPters
PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
2 parts32CC-BY-SA-4.0
2 layers40.6 × 17.8 mm
FLASH 23C1000
bkw777/aDIPters
PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
7 parts32CC-BY-SA-4.0
2 layers35.6 × 17.8 mm
FLASH 23C1000 DIP28
bkw777/aDIPters
PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
6 parts32CC-BY-SA-4.0
2 layers35.6 × 17.8 mm
FlashROM 100 PLCC
bkw777/aDIPters
PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
6 parts32CC-BY-SA-4.0
2 layers40.9 × 18 mm
FlashROM 100 programming adapter
bkw777/aDIPters
PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.
2 parts32CC-BY-SA-4.0