
LevelShifter
gusmanb/logicanalyzer
24 channel, 100Msps logic analyzer hardware and software

This is a macropad design which can do many functions with 12 switch keys and a Rotary Encoder in the middle. Also it has an OLED screen.
Plutopad is an open-source printed circuit board by pluto-227, from the pluto-227/Plutopad repository on GitHub. It is a 2-layer board of 100 × 83 mm with 21 parts on 23 nets, routed with 188 tracks and 34 vias.
Its parts include 10 switches, 9 diodes, 1 IC and 1 connector. It belongs with the keyboards and input and lEDs and displays boards of this library.
This is a Case, Schematic, PCB, and Firmware for my Plutopad. It is a macropad with 9 switch keys, a Rotary Encoder Switch, and an OLED screen.
This is the finished product of the assembled pad.
Above is the schematic used to create the PCB.
This is the PCB.
This is the final case by itself.
"Reference","Qty","Value","DNP","Exclude from BOM","Exclude from Board","Footprint","Datasheet" "D1,D2,D3,D4,D5,D6,D7,D8,D9","9","1N4148","","","","Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal","https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" "J1","1","Conn_01x04","","","","Display:ER_OLEDM0.91_1x-I2C","" "SW1,SW2,SW3,SW4,SW5,SW6,SW7,SW8,SW9","9","SW_Push","","","","MINE:MINE","" "SW17","1","RotaryEncoder_Switch","","","","Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm","" "U1","1","MOUDLE-SEEEDUINO-XIAO","","","","footprintsV1:XIAO-Generic-Hybrid-14P-2.54-21X17.8MM_fixedV2","" Bill of materials is stated above.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8, D9 |
| 9 | SW_Push | MINE:MINE | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9 |
| 1 | Conn_01x04 | Display:ER_OLEDM0.91_1x-I2C | J1 |
| 1 | MOUDLE-SEEEDUINO-XIAO | footprintsV1:XIAO-Generic-Hybrid-14P-2.54-21X17.8MM_fixedV2 | U1 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW17 |
It measures 100 × 83 mm and has 2 copper layers, 1.6 mm thick.
21 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the pluto-227/Plutopad repository on GitHub, at the commit this page was made from: the board is PCB/PlutoPad/PlutoPad.kicad_pcb and its schematic PCB/PlutoPad/PlutoPad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask pluto-227 before reusing the design.

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24 channel, 100Msps logic analyzer hardware and software

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