Shared Projects

Shared Projects

Pulse Extender

author: KO4BB
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2 layer board of 1.31 x 1.46 inches (33.2 x 37.0 mm)
Uploaded: April 25, 2020
Shared: April 25, 2020
Total Price: $9.50

Pulse Extender for GPS Timing Receivers Takes a short. TTL level pulse in (~10uS), generates a longer RS-232 level pulse out(~1mS out)

Click here for full description.

Pulse Extender for GPS Timing Receivers Takes a short. TTL level pulse in (~10uS), generates a longer RS-232 level pulse out(~1mS out)

Click here for full description.

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Manuel Rios 2001425

author: marios
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2 layer board of 2.30 x 2.71 inches (58.4 x 68.8 mm)
Uploaded: April 25, 2020
Shared: April 25, 2020
Total Price: $31.10

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BuckConverter_12V_to_5V

author: mathieusan
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2 layer board of 1.20 x 0.64 inches (30.5 x 16.2 mm)
Uploaded: April 25, 2020
Shared: April 25, 2020
Total Price: $3.80

Buck Converter based on Texas Instrument LMR33630 INPUT: 9V-24V OUTPUT: 5V 2A Peak Efficiency > 95%

Buck Converter based on Texas Instrument LMR33630 INPUT: 9V-24V OUTPUT: 5V 2A Peak Efficiency > 95%

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octal_level_shifter

author: oPossum
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2 layer board of 0.88 x 0.64 inches (22.4 x 16.3 mm)
Uploaded: February 13, 2019
Shared: April 25, 2020
Total Price: $2.80

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Choco Mini

author: CawaLimonov
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2 layer board of 2.35 x 3.24 inches (59.8 x 82.3 mm)
Uploaded: April 22, 2020
Shared: April 24, 2020
Total Price: $38.10

9-key mechanical keypad with rotary encoder and OLED display. For use with Kailh Choc switches. Use After Dark for best results :)

9-key mechanical keypad with rotary encoder and OLED display. For use with Kailh Choc switches. Use After Dark for best results :)

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ESP8266 BME280 Humidity, Temperature and Pressure Sensor

author: wmbarks
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2 layer board of 1.71 x 1.16 inches (43.5 x 29.5 mm)
Uploaded: April 24, 2020
Shared: April 24, 2020
Total Price: $9.90

PCB for BME280 temp, hum and pres sensor to connect via ESP-01. Headers can be used instead of actual components to allow for testing or easy replacement of parts.

GITHUB: https://github.com/wmbarks/ESP-8266

PCB for BME280 temp, hum and pres sensor to connect via ESP-01. Headers can be used instead of actual components to allow for testing or easy replacement of parts.

GITHUB: https://github.com/wmbarks/ESP-8266

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Powered Up Sniffer.kicad_pcb

author: draco
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2 layer board of 0.68 x 0.80 inches (17.2 x 20.4 mm)
Uploaded: April 23, 2020
Shared: April 24, 2020
Total Price: $2.70

Board with solder points for LEGO Powered Up female header and male cable, with standard 0.1" pin header point for easy jumper experimentation.

Be sure to order the THIN board, 0.8mm thickness! The female sockets have two mounting posts that “snap in” through the board. The neck is only about …

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Board with solder points for LEGO Powered Up female header and male cable, with standard 0.1" pin header point for easy jumper experimentation.

Be sure to order the THIN board, 0.8mm thickness! The female sockets have two mounting posts that “snap in” through the board. The neck is only about …

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Powered Up to Power Functions.kicad_pcb

author: draco
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2 layer board of 0.34 x 0.28 inches (8.7 x 7.2 mm)
Uploaded: March 26, 2020
Shared: April 24, 2020
Total Price: $0.45

Board to interface between a LEGO Powered Up (PU) cable and the old Power Functions (PF) cable. Board is hard-wired to present to the PU controller as a Train Motor. Vcc and Gnd are not connected to the PF connector by default, but can be connected by bridging the adjacent pads.

Board to interface between a LEGO Powered Up (PU) cable and the old Power Functions (PF) cable. Board is hard-wired to present to the PU controller as a Train Motor. Vcc and Gnd are not connected to the PF connector by default, but can be connected by bridging the adjacent pads.

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City Hub Battery Insert.kicad_pcb

author: draco
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2 layer board of 1.13 x 0.73 inches (28.6 x 18.5 mm)
Uploaded: April 23, 2020
Shared: April 24, 2020
Total Price: $4.10

Adapter to allow a standard 9V battery lead to be connected in place of the original 6x AAA battery holder in LEGO part 88009, aka "HUB NO. 4" or "City Hub" or "Train Hub".

Adapter to allow a standard 9V battery lead to be connected in place of the original 6x AAA battery holder in LEGO part 88009, aka "HUB NO. 4" or "City Hub" or "Train Hub".

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Powered Up Splitter.kicad_pcb

author: draco
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2 layer board of 1.21 x 0.52 inches (30.8 x 13.1 mm)
Uploaded: April 23, 2020
Shared: April 24, 2020
Total Price: $3.10

Splitter that takes one LEGO Powered Up cable and splits it into two sockets. The ID pins are only connected to the primary socket. The PWM pins used to drive the secondary socket can be driven the same as the primary ("same") or with reverse polarity ("reversed"), depending which jumper is set…

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Splitter that takes one LEGO Powered Up cable and splits it into two sockets. The ID pins are only connected to the primary socket. The PWM pins used to drive the secondary socket can be driven the same as the primary ("same") or with reverse polarity ("reversed"), depending which jumper is set…

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Powered Up Extender.kicad_pcb

author: draco
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2 layer board of 0.58 x 0.43 inches (14.8 x 10.9 mm)
Uploaded: March 26, 2020
Shared: April 24, 2020
Total Price: $1.25

Simple board that accepts a LEGO Powered Up female socket and male cable to make an extension cable.

Be sure to order the THIN board, 0.8mm thickness! The female sockets have two mounting posts that "snap in" through the board. The neck is only about 1mm long, so will probably not snap prope…

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Simple board that accepts a LEGO Powered Up female socket and male cable to make an extension cable.

Be sure to order the THIN board, 0.8mm thickness! The female sockets have two mounting posts that "snap in" through the board. The neck is only about 1mm long, so will probably not snap prope…

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PSIO SWITCHBOARD

author: citrus3000psi
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2 layer board of 0.57 x 0.85 inches (14.6 x 21.6 mm)
Uploaded: April 24, 2020
Shared: April 24, 2020
Total Price: $2.40

Specifically designed for PU-18 / PU-20

Other motherboard revisions pads/points may not align as nice.

R1 - 0603 47K resistor

C1 - 0603 50v .1u ceramic capacitor

U1 - SN74HC4066DR

RN1 - EXB-38V103JV

**Note - This design does not have a reverse polarity diode. Make sure +5V and…

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Specifically designed for PU-18 / PU-20

Other motherboard revisions pads/points may not align as nice.

R1 - 0603 47K resistor

C1 - 0603 50v .1u ceramic capacitor

U1 - SN74HC4066DR

RN1 - EXB-38V103JV

**Note - This design does not have a reverse polarity diode. Make sure +5V and…

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NESRGB Quick Connect v2

author: Tianfeng
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2 layer board of 2.14 x 0.42 inches (54.2 x 10.5 mm)
Uploaded: April 23, 2020
Shared: April 23, 2020
Total Price: $4.40

I made this simple board so that you no longer have to solder wires directly to the av famicom video out pins. I use pin headers and standard jumper connectors but you can also solder directly to the holes. Thanks to mobiusstriptech for helping measure out the holes and Bfbii for pointing out the…

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I made this simple board so that you no longer have to solder wires directly to the av famicom video out pins. I use pin headers and standard jumper connectors but you can also solder directly to the holes. Thanks to mobiusstriptech for helping measure out the holes and Bfbii for pointing out the…

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GB-BRK-LINK-B-mini

author: lpla
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2 layer board of 0.60 x 0.70 inches (15.2 x 17.7 mm)
Uploaded: April 23, 2020
Shared: April 23, 2020
Total Price: $2.05

Mini breakout M/C/AGB port PCB, design based on https://github.com/Gekkio/gb-hardware#gb-brk-link-b

Mini breakout M/C/AGB port PCB, design based on https://github.com/Gekkio/gb-hardware#gb-brk-link-b

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UART Voltage Divider

author: JoyMonkey
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2 layer board of 0.40 x 0.60 inches (10.2 x 15.3 mm)
Uploaded: March 10, 2020
Shared: April 23, 2020
Total Price: $1.20

Itsy bitsy teeny weeny voltage divider to make serial coming from a 5V device safe for a 3.3V device.

Itsy bitsy teeny weeny voltage divider to make serial coming from a 5V device safe for a 3.3V device.

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pc-key.kicad_pcb

author: jclang
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2 layer board of 1.41 x 1.53 inches (35.7 x 38.9 mm)
Uploaded: April 21, 2020
Shared: April 23, 2020
Total Price: $10.75

PS/2 to parallel keyboard adapter. This board is designed to connect directly to the ZRT80 terminal board but could be used with almost anything needing 8bit parallel with strobe.

PS/2 to parallel keyboard adapter. This board is designed to connect directly to the ZRT80 terminal board but could be used with almost anything needing 8bit parallel with strobe.

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fdc-adapt.kicad_pcb

author: jclang
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2 layer board of 1.31 x 3.38 inches (33.2 x 85.9 mm)
Uploaded: April 08, 2020
Shared: April 23, 2020
Total Price: $22.05

50 pin to 34 pin floppy adapter. Includes motor control oneshot triggered by drive select. Allows a modern (3.5,5.25) floppy drive to connect to a controller designed for 8" drives.

50 pin to 34 pin floppy adapter. Includes motor control oneshot triggered by drive select. Allows a modern (3.5,5.25) floppy drive to connect to a controller designed for 8" drives.

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scsi-floppy

author: jclang
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2 layer board of 5.01 x 3.01 inches (127.2 x 76.4 mm)
Uploaded: March 27, 2018
Shared: April 23, 2020
Total Price: $75.20

This is ver. 2 of my SCSI to floppy disk interface. It implements SASI/SCSI-1 interface. I support 720k disks (512byte/9 sectors/2 side/80 tracks) But other formats could be supported.

Code and schematic is at https://www.github.com/joelang/scsi-floppy

This is ver. 2 of my SCSI to floppy disk interface. It implements SASI/SCSI-1 interface. I support 720k disks (512byte/9 sectors/2 side/80 tracks) But other formats could be supported.

Code and schematic is at https://www.github.com/joelang/scsi-floppy

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pdp-panel.kicad_pcb

author: jclang
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2 layer board of 2.61 x 2.43 inches (66.2 x 61.6 mm)
Uploaded: February 20, 2019
Shared: April 23, 2020
Total Price: $31.60

Switch panel for PDP/lSI-11 QBUS backplane. includes power switch and sequencing, halt/run with indicator and LTC.

Switch panel for PDP/lSI-11 QBUS backplane. includes power switch and sequencing, halt/run with indicator and LTC.

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LOGIC-PROBE

author: agroza
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2 layer board of 3.05 x 0.50 inches (77.5 x 12.7 mm)
Uploaded: April 22, 2020
Shared: April 22, 2020
Total Price: $7.60

A simple logic probe based on a schematic I found on the Internet.

A simple logic probe based on a schematic I found on the Internet.

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