
SimulTypeUltra
12voltman/SimulType
A collection of keyboard layouts and designs that emphasize data input through two handed use of the number pad with a keyboard or arrow keys

A collection of keyboard layouts and designs that emphasize data input through two handed use of the number pad with a keyboard or arrow keys
SimulTypeUltraFullMag is an open-source printed circuit board by 12voltman, from the 12voltman/SimulType repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 465.6 × 157.2 mm with 797 parts on 311 nets, routed with 9,037 tracks and 1,056 vias.
It is built around the ASMB-MTB1-0A3A2 and SI2371EDS. Its parts include 222 diodes, 191 capacitors, 176 switches, 129 resistors and 48 transistors.
A collection of keyboard layouts and designs that emphasize data input through two handed use of the number pad with a keyboard or arrow keys
| Qty | Value | Footprint | References |
|---|---|---|---|
| 182 | 0.1u | Capacitor_SMD:C_0603_1608Metric | C1, C10, C11, C100, C101, C102, C103, C104, C105, C106, C107, C108, C109, C110, C111, C112 +166 |
| 180 | ASMB-MTB1-0A3A2 | maxfootprints:6028RGB | LED10, LED11, LED100, LED101, LED104, LED105, LED106, LED107, LED108, LED109, LED110, LED111, LED112, LED113, LED114, LED115 +164 |
| 176 | ~ | maxfootprints:SW_GATERON_MAG_ANALOG_1.00u | SW1, SW10, SW11, SW100, SW101, SW102, SW103, SW104, SW105, SW106, SW107, SW108, SW109, SW110, SW111, SW112 +160 |
| 52 | 20 | Resistor_SMD:R_0402_1005Metric | R100, R101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R111, R112, R113, R114, R115 +36 |
| 48 | 10k | Resistor_SMD:R_0603_1608Metric | R1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 +32 |
| 42 | ASMB-MTB1-0A3A2 | maxfootprints:RGBSIDELENS | LED1, LED102, LED103, LED127, LED128, LED150, LED151, LED174, LED175, LED196, LED197, LED198, LED199, LED200, LED201, LED202 +26 |
| 26 | 51 | Resistor_SMD:R_0402_1005Metric | R52, R53, R54, R55, R56, R57, R58, R59, R60, R61, R62, R63, R64, R65, R66, R67 +10 |
| 24 | BC849 | Package_TO_SOT_SMD:SOT-23 | Q25, Q26, Q27, Q28, Q29, Q30, Q31, Q32, Q33, Q34, Q35, Q36, Q37, Q38, Q39, Q40 +8 |
| 24 | Si2371EDS | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18, Q19, Q20, Q21, Q22, Q23 +8 |
| 7 | 1u | Capacitor_SMD:C_0603_1608Metric | C193, C195, C197, C199, C201, C202, C206 |
| 7 | DIN_Rail_Adapter | PCM_Mounting_Keyboard_Stabilizer:Stabilizer_Cherry_MX_2.00u | DRA2, DRA3, DRA4, DRA5, DRA6, DRA7, DRA8 |
| 6 | TestPoint | TestPoint:TestPoint_Pad_D4.0mm | TP1, TP2, TP3, TP4, TP5, TP6 |
| 5 | Fiducial | Fiducial:Fiducial_1mm_Mask2mm | FID1, FID2, FID3, FID4, FID5 |
| 3 | 10k | Resistor_SMD:R_0402_1005Metric | R49, R50, R51 |
| 2 | 24AA02-OT | Package_TO_SOT_SMD:SOT-23-5 | U3, U5 |
| 2 | Conn_01x01 | maxfootprints:SURFACESPRING_1 | J3, J4 |
| 2 | IS31FL3741 | maxfootprints:QFN-60-1EP_7x7mm_P0.4mm_EP5x5mm | U1, U2 |
| 1 | 2.2n | Capacitor_SMD:C_0603_1608Metric | C207 |
| 1 | 5p | Capacitor_SMD:C_0603_1608Metric | C205 |
| 1 | CY8CMBR3106S | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U4 |
| 1 | Conn_01x17 | Connector_FFC-FPC:Molex_502250-1791_2Rows-17Pins-1MP_P0.60mm_Horizontal | J5 |
| 1 | Conn_01x45 | Connector_FFC-FPC:TE_4-1734839-5_1x45-1MP_P0.5mm_Horizontal | J1 |
| 1 | DIN_Rail_Adapter | PCM_Mounting_Keyboard_Stabilizer:Stabilizer_Cherry_MX_6.25u | DRA1 |
| 1 | Qwiic_I2C_connector | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J2 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | TestPoint | TestPoint:TestPoint_Pad_2.0x2.0mm | TP7 |

12voltman/SimulType
A collection of keyboard layouts and designs that emphasize data input through two handed use of the number pad with a keyboard or arrow keys

12voltman/SimulType
A collection of keyboard layouts and designs that emphasize data input through two handed use of the number pad with a keyboard or arrow keys

12voltman/SimulType
A collection of keyboard layouts and designs that emphasize data input through two handed use of the number pad with a keyboard or arrow keys

12voltman/SimulType
A collection of keyboard layouts and designs that emphasize data input through two handed use of the number pad with a keyboard or arrow keys


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It measures 465.6 × 157.2 mm and has 2 copper layers, 1.6 mm thick.
797 parts, built around the ASMB-MTB1-0A3A2 and SI2371EDS. 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 12voltman/SimulType repository on GitHub, at the commit this page was made from: the board is Hardware/keymatrixes/fullanalog/SimulTypeUltraFullMag/SimulTypeUltraFullMag.kicad_pcb and its schematic Hardware/controlboards/SimulTypeHeaderUltra/SimulTypeHeaderUltra.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the CC0-1.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).