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STD Spot welder perfect
Spot welder perfect
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Update time：
2022-05-13 08:16:44
Creation time：
2019-09-08 14:24:01
Description
Description
true capacitor based spot welder. tc4420 gate driver and mosfet based capacitor discharge spot welder
idea of greatscott [https://www.youtube.com/watch?v=5TVNdMqVZpk](https://www.youtube.com/watch?v=5TVNdMqVZpk)
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | BUZZER | BUZZER1 | BUZ-TH_BD12.0-P7.60-D0.6-FD | 1 |
| 2 | 22uF | C1,C2,C3,C4,C5,C6 | 1812 | 6 |
| 3 | UF4007 | D1,D2,D3,D4 | DO-41 | 4 |
| 4 | DCJack | JP1 | POWER_JACK_SLOT | 1 |
| 5 | OLED I2C | O1 | OLED I2C | 1 |
| 6 | Cap+ | P1,P3 | HDR-1X1/2.54 | 2 |
| 7 | Cap- | P2 | HDR-1X1/2.54 | 1 |
| 8 | IRL2505 | Q1,Q2,Q3,Q4 | TO-220(TO-220-3) | 4 |
| 9 | 10 | R1,R2,R3,R4 | AXIAL-0.3 | 4 |
| 10 | 10 | R5 | AXIAL-1.2 | 1 |
| 11 | 470k | R6 | 1206 | 1 |
| 12 | 3k | R7 | 1206 | 1 |
| 13 | Rotary Encoder & SW | SW | ROTARY ENCODER & SW | 1 |
| 14 | TBLOCK | TB1 | TBLOCK_2P | 1 |
| 15 | 7805 | U1 | TO220H | 1 |
| 16 | TC4420CPA | U2,U3,U4,U5 | DIP-8 | 4 |
| 17 | BLUEPILL STM32F103C8T6 (dev board) | U6 | BLUEPILL | 1 |
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