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google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

Fuzz schematic is an open-source printed circuit board by k10lk, from the k10lk/433hw5 repository on GitHub. It is a 2-layer board of 40 × 40 mm with 15 parts on 10 nets, routed with 45 tracks and 4 vias.
Its parts include 4 resistors, 3 capacitors, 3 connectors and 2 transistors.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | BC109 | Package_TO_SOT_THT:TO-18-3 | Q1, Q2 |
| 1 | 100K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R4 |
| 1 | 10n | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C1 |
| 1 | 1K - lin (B1K) | Potentiometer_THT:Potentiometer_Bourns_3386W_Horizontal | RV1 |
| 1 | 2.2u | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C2 |
| 1 | 22u | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C3 |
| 1 | 330R | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R2 |
| 1 | 33K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1 |
| 1 | 500K - log (A500K) | Potentiometer_THT:Potentiometer_Bourns_3386W_Horizontal | RV2 |
| 1 | 8K2 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3 |
| 1 | Barrel_Jack | Connector_BarrelJack:BarrelJack_Wuerth_694106106102_2.0x5.5mm | J3 |
| 1 | Conn_01x01_Pin | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | J1 |
| 1 | Conn_01x01_Pin | Connector_PinHeader_1.00mm:PinHeader_1x01_P1.00mm_Vertical | J2 |
The 14 most common of 15 parts.
It measures 40 × 40 mm and has 2 copper layers, 1.6 mm thick.
15 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 k10lk/433hw5 repository on GitHub, at the commit this page was made from: the board is fuzz_schematic.kicad_pcb and its schematic fuzz_schematic.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 k10lk before reusing the design.

google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

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