2 layers407 × 184 mm

TRS-80-Model I G E1
RetroStack/TRS-80-Model-I-G-E1
Hardware Replica of the TRS-80 Model I Revision G
230 parts57MIT
Boards in 3 GitHub repositories, designed in KiCad, that use the LM723CH by Texas Instruments (0℃~+70℃ 1 1.7mA 150mA 2V~37V 40V 86dB@(10kHz) 86uVrms Adjustable Over Current Protection、Thermal Shutdown Positive TO-100-10 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS). See how each wires it, with its parts, size, README and files; the LM723CH’s symbol, footprint and pinout are on its own page.

RetroStack/TRS-80-Model-I-G-E1
Hardware Replica of the TRS-80 Model I Revision G

RetroStack/TRS-80-Model-I-Jap50-E1
Hardware Replica of the TRS-80 Model I Revision HE11E011550

RetroStack/TRS-80-Model-I-Expansion-Interface-Rev-D
Hardware Replica of the TRS-80 Model I Expansion Interface - Revision D