2 layers98.4 × 93.8 mm
2 layers74.9 × 65 mm
Hw7 finalized
EricEChing/PCB- Size
- 74.9 × 65 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 22
- Nets
- 19
- Pads
- 56
- Tracks, vias
- 163, 2
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 23 Nov 2023
- Updated
- 23 Nov 2023
Overview
Hw7 finalized is an open-source printed circuit board by EricEChing, from the EricEChing/PCB repository on GitHub. It is a 2-layer board of 74.9 × 65 mm with 22 parts on 19 nets, routed with 163 tracks and 2 vias.
It is built around the ICM7555N. Its parts include 5 diodes, 3 resistors, 3 transistors, 2 ICs and 1 capacitor.
Main components
1Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2, Q3 |
| 3 | LED | LED_THT:LED_D3.0mm | D1, D2, D3 |
| 3 | TestPoint_Probe | elec240_ornament_footprint:TestPoint_Pad_D4.0mm | TP1, TP2, TP3 |
| 2 | 20K | Potentiometer_THT:Potentiometer_ACP_CA6-H2,5_Horizontal | RV1, RV2 |
| 2 | D_Schottky | Diode_THT:D_5KPW_P7.62mm_Vertical_AnodeUp | D4, D5 |
| 1 | 220 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R1 |
| 1 | 330 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R2 |
| 1 | 47u | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C1 |
| 1 | 500 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R3 |
| 1 | Battery | elec240_ornament_footprint:BAT_1026 | BT1 |
| 1 | ICM7555 | elec240_ornament_footprint:DIP-8_W7.62mm | U1 |
| 1 | LM741 | elec240_ornament_footprint:DIP-8_W7.62mm | U2 |
The 20 most common of 22 parts.
Questions
How big is the Hw7 finalized PCB?
It measures 74.9 × 65 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Hw7 finalized use?
22 parts, built around the ICM7555N. 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 Hw7 finalized KiCad files?
From the EricEChing/PCB repository on GitHub, at the commit this page was made from: the board is hw7_finalized.kicad_pcb and its schematic hw7_finalized.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hw7 finalized design in my own project?
Its repository states no licence, so its author keeps all rights: ask EricEChing before reusing the design.
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