License

CERN Open Hardware License

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PWM Fan Speed Controller v1.1

11 months ago 258
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  • Documents
  • BOM
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Description

Added A/C signal/supply wire (untested) Arduino sketch (without A/c): int potPin = A0; int motorPin = 9; int potValue = 0; int motorValue = 255; void setup() { // Serial.begin(9600); analogWrite (motorPin, motorValue); delay(5000); } void loop() { potValue = analogRead(potPin);
motorValue = map(potValue, 0, 1023, 20, 255); analogWrite(motorPin, motorValue);
// Serial.print("pot = " );
// Serial.print(potValue); // Serial.print(" motor = "); // Serial.println(motorValue); // delay(2);
}

Documents

Sheet_2

PCB v1.1

BOM

ID Name Designator Footprint Quantity
1 2N2222 Q2,Q3 TO-92-3_L4.9-W3.7-P1.27-L 2
2 EK500V-05P CN1,CN2 EK500V-05P 2
3 Arduino Nano MODUL1 ARDUINO_NANO2 1
4 330n C1 RAD-0.1 1
5 LM7905EE U1 TO220 1
6 SCHOTTKY D1,D2 DO201T15 2
7 IRF4905PBF Q1,Q4 TO-220-3_L10.0-W4.5-P2.54-T 2
8 1K R1,R2,R3,R4 RES-TH_BD1.7-L3.5-P7.50-D0.5 4

Attachments

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