2 layers52.8 × 30 mmTI59 batterytomcircuit/TI59_batteryTI-58/59 Calculator LiPo Battery Upgrade19 parts8
4 layers63.4 × 50.8 mmRcl57 mcu psu bp7tomcircuit/rcl57mcuMCU-based retrofit to TI-57 Programmable Calculators38 parts5
2 layers80 × 110 mmPicoPSU A2tomcircuit/Apple2PicoPSU12V Input Power Supply retrofit for vintage Apple //e computers36 parts1
2 layers76.2 × 58.4 mmMAX7128 JTAG Testertomcircuit/MAX7000S-CPLD-JTAG-TesterEPM7064SLx84 CPLD Tester26 parts
2 layers20 × 37.5 mmRcl57 debug psutomcircuit/rcl57mcuMCU-based retrofit to TI-57 Programmable Calculators13 parts5
4 layers18 × 37 mmRcl57 mcutomcircuit/rcl57mcuMCU-based retrofit to TI-57 Programmable Calculators21 parts5
4 layers18 × 37 mmRcl57 mcutomcircuit/rcl57mcuMCU-based retrofit to TI-57 Programmable Calculators25 parts5
4 layers18 × 74 mmTi57mcutomcircuit/rcl57mcuMCU-based retrofit to TI-57 Programmable Calculators32 parts5