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FreHD for the TRS-80 Model 1

author: kiwisincebirth
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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 …

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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

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SK0212

author: cfelle
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6 layer board of 0.57 x 0.99 inches (14.5 x 25.0 mm)
Uploaded: October 23, 2025
Shared: October 23, 2025
Total Price: $8.40

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RF Switch Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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RF Amplifier Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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RF Transceiver Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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300910183 - UDA Multi-Axis Debug Board

author: janeBradshaw
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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Dual 3-Input NOR Gate

author: Calerin
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2 layer board of 0.53 x 0.42 inches (13.4 x 10.7 mm)
Uploaded: October 10, 2025
Shared: October 19, 2025
Total Price: $1.10

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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dc_pcb_v2.kicad_pcb

author: dkealhofer
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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Radioberry Relay

author: bloguetronica
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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20W-GaNAmp-PSU

author: banerjeeayush05
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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SOV-2 osh

author: Mojah63
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2 layer board of 2.15 x 1.75 inches (54.7 x 44.6 mm)
Uploaded: October 11, 2016
Shared: October 15, 2025
Total Price: $18.85

SOV-2 Overdrive Guitar

SOV-2 Overdrive Guitar

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      Ordering shared project

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      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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GerbInc_pcb

author: RJCalles
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2 layer board of 4.88 x 3.64 inches (124.0 x 92.5 mm)
Uploaded: October 10, 2025
Shared: October 15, 2025
Total Price: $88.90

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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HMI Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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Battery Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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USB-PD Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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Audio Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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MCU Testbed

author: ericmutton
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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

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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PWHPF_v2_22

author: PW3B-LPF-OS
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2 layer board of 1.59 x 1.16 inches (40.3 x 29.4 mm)
Uploaded: October 13, 2025
Shared: October 13, 2025
Total Price: $9.15

Variable frequency HPF module

Updated for TDK 63v caps

https://github.com/Passinwind/PW3B-LPF

Variable frequency HPF module

Updated for TDK 63v caps

https://github.com/Passinwind/PW3B-LPF

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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PW23B_v5_72

author: PW3B-LPF-OS
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2 layer board of 1.59 x 1.16 inches (40.3 x 29.4 mm)
Uploaded: October 13, 2025
Shared: October 13, 2025
Total Price: $9.15

Variable resonance variable frequency LPF EQ module

Updated to use 63v TDK caps in place of discontinued 50v Wimas

https://github.com/Passinwind/PW3B-LPF

Variable resonance variable frequency LPF EQ module

Updated to use 63v TDK caps in place of discontinued 50v Wimas

https://github.com/Passinwind/PW3B-LPF

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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PEC11R Rotary Encoder Breakout

author: Mark-Pickhard
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2 layer board of 0.39 x 0.82 inches (10.0 x 20.8 mm)
Uploaded: October 13, 2025
Shared: October 13, 2025
Total Price: $1.60

This is like a KY-040 module only no +V, no pullups, proto area and much smaller

All dimensions below are mm.

  • Encoder Footprint: 2.5/5.0 pitch, 15.5 separation, 1.05 dia hole
  • Connector & Prototype Area: 2.54 pitch, 0.9 dia holes
  • Connector: A/Clk, B/DT, S/Sw, G/Gnd/Common
  • The intent…

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This is like a KY-040 module only no +V, no pullups, proto area and much smaller

All dimensions below are mm.

  • Encoder Footprint: 2.5/5.0 pitch, 15.5 separation, 1.05 dia hole
  • Connector & Prototype Area: 2.54 pitch, 0.9 dia holes
  • Connector: A/Clk, B/DT, S/Sw, G/Gnd/Common
  • The intent…

Show full description

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      Ordering shared project

      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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