Shared Projects by johnsondavies

Shared Projects by johnsondavies

Tiny Continuity Tester

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2 layer board of 1.90 x 0.40 inches (48.3 x 10.2 mm)
Uploaded: October 27, 2025
Shared: October 27, 2025
Total Price: $3.80

A simple continuity tester for checking circuit wiring, or tracing out the tracks on a PCB.

For more information see <http://www.technoblogy.com/show?5DEV>.

A simple continuity tester for checking circuit wiring, or tracing out the tracks on a PCB.

For more information see <http://www.technoblogy.com/show?5DEV>.

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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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Walkie-Textie Wireless Communicator

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2 layer board of 1.50 x 3.05 inches (38.1 x 77.5 mm)
Uploaded: July 27, 2025
Shared: July 29, 2025
Total Price: $22.85

The Walkie-Textie is a simple handheld device with a 12-key keypad and OLED display that allows you to send and receive text messages using the LoRa wireless protocol.

For more information see <http://www.technoblogy.com/show?2AON>.

The Walkie-Textie is a simple handheld device with a 12-key keypad and OLED display that allows you to send and receive text messages using the LoRa wireless protocol.

For more information see <http://www.technoblogy.com/show?2AON>.

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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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AVR128DA32 Feather Board

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2 layer board of 2.00 x 0.90 inches (50.8 x 22.9 mm)
Uploaded: July 09, 2025
Shared: July 09, 2025
Total Price: $9.00

A Feather-format board based on the Microchip AVR128DA32 that runs at 24MHz, and has 16KB of RAM and 128KB of flash.

For more information see <http://www.technoblogy.com/show?3V6B>.

A Feather-format board based on the Microchip AVR128DA32 that runs at 24MHz, and has 16KB of RAM and 128KB of flash.

For more information see <http://www.technoblogy.com/show?3V6B>.

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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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LED Probe (ATtiny85 version)

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2 layer board of 2.27 x 0.80 inches (57.8 x 20.3 mm)
Uploaded: April 29, 2025
Shared: May 20, 2025
Total Price: $9.05

A simple LED tester that provides a convenient way of testing most types of through-hole or surface-mount LEDs.

For more information see <http://www.technoblogy.com/show?53Z6>.

A simple LED tester that provides a convenient way of testing most types of through-hole or surface-mount LEDs.

For more information see <http://www.technoblogy.com/show?53Z6>.

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  • Actions

      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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LED Probe (ATtiny202 version)

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2 layer board of 2.27 x 0.80 inches (57.8 x 20.3 mm)
Uploaded: April 29, 2025
Shared: May 20, 2025
Total Price: $9.05

A simple LED tester that provides a convenient way of testing most types of through-hole or surface-mount LEDs.

For more information see <http://www.technoblogy.com/show?53Z6>.

A simple LED tester that provides a convenient way of testing most types of through-hole or surface-mount LEDs.

For more information see <http://www.technoblogy.com/show?53Z6>.

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Bottom
  • Actions

      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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