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2.The process supports design scales of 300 devices or 1000 pads
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STD Attiny85 QFN 20 micro programable circuit (Led flasher)
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Description
This project was made as a challenge to see how small I can go with conventional soldering techniques, this uses an Attiny85 with a QFN-20 package.
Este es un proyecto para ver que tan pequeño podía diseñar un circuito y culminarlo con soldadura convencional. Usa un Attiny85 con empaque QFN-20.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 1K | R1 | RES_0805 | 1 |
| 2 | 10K | R2 | RES_0805 | 1 |
| 3 | 2N7002-SOT23 | Q1 | SOT-23 | 1 |
| 4 | ATTINY85V-20MU | U2 | QFN-20-EP_4X4X05P | 1 |
| 5 | PB5 | T1 | CON_PAD_ROUND_1.02MM | 1 |
| 6 | PB3 | T2 | CON_PAD_ROUND_1.02MM | 1 |
| 7 | PB4 | T3 | CON_PAD_ROUND_1.02MM | 1 |
| 8 | GND | T4 | CON_PAD_ROUND_1.02MM | 1 |
| 9 | pad | T5 | CON_PAD_ROUND_1.02MM | 1 |
| 10 | PB2 | T7 | CON_PAD_ROUND_1.02MM | 1 |
| 11 | PB1 | T8 | CON_PAD_ROUND_1.02MM | 1 |
| 12 | PB0 | T9 | CON_PAD_ROUND_1.02MM | 1 |
| 13 | VCC | T6 | CON_PAD_ROUND_1.02MM | 1 |
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