SuperMem 512 for TRS-80 Model 1k (V2)
author: kiwisincebirth
2 layer board of 2.01 x 2.38 inches (51.0 x 60.6 mm)
Uploaded:
October 23, 2025
Shared:
October 23, 2025
Total Price:
$23.95
The SuperMem board is an addition to the TRS-80 Model 1k that provides 512KB of Banked SRAM (mostly) compatible with the SuperMem 512 for the Model 1
This is implemented as a small board that replaces the 128 Kbyte SRAM chip on the main board, and contains the 512KB SRAM and the necessary bank c…
Show full description
The SuperMem board is an addition to the TRS-80 Model 1k that provides 512KB of Banked SRAM (mostly) compatible with the SuperMem 512 for the Model 1
This is implemented as a small board that replaces the 128 Kbyte SRAM chip on the main board, and contains the 512KB SRAM and the necessary bank c…
Show full description
SuperMem 512 for TRS-80 Model 1k (V1)
author: kiwisincebirth
2 layer board of 2.01 x 2.38 inches (51.0 x 60.6 mm)
Uploaded:
October 23, 2025
Shared:
October 23, 2025
Total Price:
$23.95
The SuperMem board is an addition to the TRS-80 Model 1k that provides 512KB of Banked SRAM (mostly) compatible with the SuperMem 512 for the Model 1
This is implemented as a small board that replaces the 128 Kbyte SRAM chip on the main board, and contains the 512KB SRAM and the necessary bank c…
Show full description
The SuperMem board is an addition to the TRS-80 Model 1k that provides 512KB of Banked SRAM (mostly) compatible with the SuperMem 512 for the Model 1
This is implemented as a small board that replaces the 128 Kbyte SRAM chip on the main board, and contains the 512KB SRAM and the necessary bank c…
Show full description
FreHD for the TRS-80 Model 1
author: kiwisincebirth
2 layer board of 3.32 x 3.55 inches (84.2 x 90.3 mm)
Uploaded:
October 23, 2025
Shared:
October 23, 2025
Total Price:
$58.90
This is a project to provide a FreHD that directly connects to the TRS-80 Model 1 40 pin expansion port. It was designed to be functionally compatible using primarily all the same parts, and also software compatible, as it uses he same PIC and GAL firmware
It was designed to work with the Model …
Show full description
This is a project to provide a FreHD that directly connects to the TRS-80 Model 1 40 pin expansion port. It was designed to be functionally compatible using primarily all the same parts, and also software compatible, as it uses he same PIC and GAL firmware
It was designed to work with the Model …
Show full description
RF Switch Testbed
author: ericmutton
4 layer board of 1.00 x 1.63 inches (25.4 x 41.4 mm)
Uploaded:
October 22, 2025
Shared:
October 22, 2025
Total Price:
$16.20
RF Amplifier Testbed
author: ericmutton
4 layer board of 1.61 x 1.61 inches (41.0 x 41.0 mm)
Uploaded:
October 22, 2025
Shared:
October 22, 2025
Total Price:
$26.00
RF Transceiver Testbed
author: ericmutton
4 layer board of 2.24 x 1.61 inches (57.0 x 41.0 mm)
Uploaded:
October 22, 2025
Shared:
October 22, 2025
Total Price:
$36.20
300910183 - UDA Multi-Axis Debug Board
author: janeBradshaw
4 layer board of 1.38 x 2.53 inches (35.0 x 64.3 mm)
Uploaded:
October 22, 2025
Shared:
October 22, 2025
Total Price:
$34.90
dc_pcb_v2.kicad_pcb
author: dkealhofer
2 layer board of 2.76 x 5.12 inches (70.0 x 130.0 mm)
Uploaded:
October 16, 2025
Shared:
October 16, 2025
Total Price:
$70.50
With correct connectors and pinout this time
With correct connectors and pinout this time
Radioberry Relay
author: bloguetronica
4 layer board of 2.56 x 2.20 inches (65.0 x 56.0 mm)
Uploaded:
October 16, 2025
Shared:
October 16, 2025
Total Price:
$56.40
RX/TX relay board for the Radioberry SDR
RX/TX relay board for the Radioberry SDR
20W-GaNAmp-PSU
author: banerjeeayush05
4 layer board of 5.71 x 4.13 inches (145.0 x 105.0 mm)
Uploaded:
October 16, 2025
Shared:
October 16, 2025
Total Price:
$235.90
20W GaN RF Amplifier Power Supply Unit
20W GaN RF Amplifier Power Supply Unit
HMI Testbed
author: ericmutton
2 layer board of 1.61 x 1.61 inches (41.0 x 41.0 mm)
Uploaded:
October 13, 2025
Shared:
October 13, 2025
Total Price:
$13.00
Battery Testbed
author: ericmutton
2 layer board of 1.61 x 1.64 inches (41.0 x 41.8 mm)
Uploaded:
October 13, 2025
Shared:
October 13, 2025
Total Price:
$13.25
USB-PD Testbed
author: ericmutton
2 layer board of 1.61 x 1.00 inches (41.0 x 25.4 mm)
Uploaded:
October 13, 2025
Shared:
October 13, 2025
Total Price:
$8.05
Audio Testbed
author: ericmutton
2 layer board of 1.61 x 1.00 inches (41.0 x 25.4 mm)
Uploaded:
October 13, 2025
Shared:
October 13, 2025
Total Price:
$8.05
MCU Testbed
author: ericmutton
2 layer board of 2.74 x 2.20 inches (69.6 x 55.9 mm)
Uploaded:
October 13, 2025
Shared:
October 13, 2025
Total Price:
$30.15