Alligator
frankyhub·KiCad-Loetuebung-02·Alligator/kicad/Alligator.kicad_pcb
About the Alligator PCB
Alligator is an open source PCB design by frankyhub, published on GitHub under the MIT license. It is a 2-layer board measuring 140.6 × 93 mm, with 15 components from 13 distinct parts.
Other key parts include the NE555P and BAT_HLD_SMD. By type, the board carries 6 resistors, 3 diodes, 2 ICs, 2 transistors, 1 switch and 1 capacitor.
From the project
NE555 Platinen, zwei LEDs
USB 3.1 Type C Female 6-Pin 4Legs SMT Simple PCB Charging Socket Connector

Main components on the Alligator
Alligator bill of materials (BOM)
15 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NE555P | DIP-8_W7.62mm | U1 |
| 1 | BAT_HLD_SMD | BAT-HLD-SMD-Blech | U2 |
| 2 | Q_NPN_EBC | TO-92L_Wide | Q1, Q2 |
| 1 | Micro_Schalter | Micro_SchalterKHF | S1 |
| 2 | LED | LED_D3.0mm | D1, D2 |
| 1 | 1N4148 | 1N4147_P7.62mm_Horizontal | D3 |
| 1 | 47uF | C_Radial_D6.3mm_P2.50mm | C1 |
| 1 | 560k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 390k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 4k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 10R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6 |
| 1 | 16K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7 |
| 1 | 12K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
Alligator design files
The KiCad project lives in the frankyhub/KiCad-Loetuebung-02 repository on GitHub; these links point at the commit this page was built from.
Alligator: common questions
How big is the Alligator PCB?
The Alligator measures 140.6 × 93 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alligator?
15 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Alligator design files?
From the frankyhub/KiCad-Loetuebung-02 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Alligator design in my own project?
Yes, under the terms of its MIT license, which frankyhub chose for the repository.
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