4 layers153.7 × 108.5 mm
2 layers233.6 × 171.5 mm
DIY Inverter Circuit - KiCAD
BaselMohamed802/EyeTalk1An Accessible AAC Device Using Visual Speech to empower and help disabled people talk and communicate, as a graduation project for my
- Size
- 233.6 × 171.5 mm
- Copper layers
- 2
- Thickness
- 1.64 mm
- Parts
- 172
- Nets
- 30
- Pads
- 412
- Tracks, vias
- 1,204, 32
- Pours
- 20
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 28 Oct 2025
- Updated
- 13 Jul 2026
Overview
DIY Inverter Circuit - KiCAD is an open-source printed circuit board by BaselMohamed802, from the BaselMohamed802/EyeTalk repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 233.6 × 171.5 mm with 172 parts on 30 nets, routed with 1,204 tracks and 32 vias.
It is built around the L7805, IRF3205 and 1N4148WT, with the S8050 among its other parts. Its parts include 48 resistors, 28 capacitors, 24 transistors, 20 connectors and 16 diodes. It belongs with the power boards of this library.
Main components
4
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
IRF3205
TO-220MOSFETsMinos
1N4148WT
SOD-523-55℃~+150℃ 1.25V@150mA 100V 150mA 150mW 1uA@75V 2A 4ns Independent SOD-523 Switching Diodes ROHShongjiachengSwitching Diodes
S8050
SOT-23-55℃~+150℃ 1 NPN 100MHz 100nA 120 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
README
README.mdEyeTalk
An Accessible AAC Device Using Visual Speech to empower and help disabled people talk and communicate, as a graduation project for my
Parts
172| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 10 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R6, R6, R6, R6, R7, R7, R7, R7, R9, R9, R9, R9, R11, R11, R11, R11 |
| 16 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R5, R5, R5, R5, R8, R8, R8, R8, R10, R10, R10, R10, R12, R12, R12, R12 |
| 16 | IRF3205 | Package_TO_SOT_THT:TO-220-3_Vertical | Q3, Q3, Q3, Q3, Q4, Q4, Q4, Q4, Q5, Q5, Q5, Q5, Q6, Q6, Q6, Q6 |
| 8 | 100k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3, R3, R3, R3, R4, R4, R4, R4 |
| 8 | 1K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R1, R1, R1, R2, R2, R2, R2 |
| 8 | 1N4148WT | Diode_THT:D_A-405_P10.16mm_Horizontal | D2, D2, D2, D2, D4, D4, D4, D4 |
| 8 | 1N5402 | Diode_THT:D_A-405_P10.16mm_Horizontal | D1, D1, D1, D1, D3, D3, D3, D3 |
| 8 | 1uF | Capacitor_THT:CP_Radial_D4.0mm_P1.50mm | C2, C2, C2, C2, C3, C3, C3, C3 |
| 4 | , , , | ||
| 4 | 0.1uF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C1, C1, C1 |
| 4 | 0.1uf | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C5, C5, C5, C5 |
| 4 | 10k | Potentiometer_THT:Potentiometer_Vishay_T93XA_Horizontal | RV1, RV1, RV1, RV1 |
| 4 | 10uf | Capacitor_THT:CP_Radial_D10.0mm_P7.50mm | C6, C6, C6, C6 |
| 4 | 2.2uf/630V | Capacitor_THT:C_Rect_L26.5mm_W6.0mm_P22.50mm_MKS4 | C4, C4, C4, C4 |
| 4 | 2200uF | Capacitor_THT:CP_Radial_D16.0mm_P7.50mm | C7, C7, C7, C7 |
| 4 | AC Out | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J3, J3, J3, J3 |
| 4 | Battery Input | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J2, J2, J2, J2 |
| 4 | Conn_01x02_Pin | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J5, J5, J5, J5 |
| 4 | EGS002 Pinout | Connector_PinHeader_2.54mm:PinHeader_1x17_P2.54mm_Vertical | J1, J1, J1, J1 |
| 4 | FQP90N03 | Package_TO_SOT_THT:TO-220-3_Vertical | Q1, Q1, Q1, Q1 |
| 4 | L7805 | Package_TO_SOT_THT:TO-220-3_Vertical | U1, U1, U1, U1 |
| 4 | LOGO | Symbol:PCB_Logo3 | G***, G***, G***, G*** |
| 4 | ON/OFF Switch | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | SW1, SW1, SW1, SW1 |
| 4 | S8050 | Package_TO_SOT_THT:TO-92_Inline | Q2, Q2, Q2, Q2 |
| 4 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J6, J6, J6, J6 |
| 4 | Thermistor_NTC | Resistor_THT:R_Axial_DIN0614_L14.3mm_D5.7mm_P5.08mm_Vertical | TH1, TH1, TH1, TH1 |
The 160 most common of 172 parts.
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Questions
How big is the DIY Inverter Circuit - KiCAD PCB?
It measures 233.6 × 171.5 mm and has 2 copper layers, 1.64 mm thick.
What parts does the DIY Inverter Circuit - KiCAD use?
172 parts, built around the L7805, IRF3205, 1N4148WT and S8050. 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.
Where can I download the DIY Inverter Circuit - KiCAD KiCad files?
From the BaselMohamed802/EyeTalk repository on GitHub, at the commit this page was made from: the board is [OLD] - [OBSOLETE]/Inverter Circuit/DIY Inverter Circuit - KiCAD.kicad_pcb and its schematic [OLD] - [OBSOLETE]/Inverter Circuit/DIY Inverter Circuit - KiCAD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the DIY Inverter Circuit - KiCAD design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).