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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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Ongoing
STD USB switch
USB switch
License
Public Domain
License: Public DomainMode:
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Update time：
2020-10-18 18:58:52
Creation time：
2020-06-04 15:18:59
Description
Description
Power switch for usb device. Based on arduino (ATmega32u4).
**Simple sketch**
void setup() {
pinMode(13, OUTPUT);
digitalWrite(13, LOW);
Serial.begin(9600);
}
void loop() {
delay(100);
if (Serial.available() > 0)
{
while (Serial.available() > 0) { Serial.read(); }
digitalWrite(13, HIGH);
delay(500);
digitalWrite(13, LOW);
}
}
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | ICSP connector | U2 | ICSP CONNECTOR | 1 |
| 2 | ATMEGA32U4-AU | U1 | QFP-44_L10.0-W10.0-P0.80-LS13.2-BL | 1 |
| 3 | 22pF | C4,C3 | C0805 | 2 |
| 4 | 1uF | C2 | C0805 | 1 |
| 5 | HK4100F-DC3V-SHG | K1 | RELAY-TH_HK4100F-XXX-XXXX | 1 |
| 6 | 292303-1 | USB_FEMALE | USB-A-TH_USB-302-T | 1 |
| 7 | HDR-M-2.54_1x1 | J4,J3,J1,J2 | HDR-M-2.54_1X1 | 4 |
| 8 | 22 | R2,R1 | R0805 | 2 |
| 9 | USB-05 | USB_MALE,USB_MALE1 | USB-A-TH_48037-0001 | 2 |
| 10 | 16MHz | X1 | OSC-SMD_4P-L3.2-W2.5-BL | 1 |
| 11 | 100nF | C1 | C0805 | 1 |
| 12 | 10K | R3 | R0805 | 1 |
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