O-ESD v0.5 BOM MECHANICAL SUPPORT: Component Quantity --------------------------------------------------- 1. Acrylic glass, laser cut, 6mm support 1 GRIP: Component Quantity --------------------------------------------------- 1. PCB (grip) 1 2. Battery 18650 (3.7V) 2 3. Battery holder for 18650 2 4. Push button 1 4. Switch 1 5. Battery charger [optional] 2 6. Screw M3/16mm (plastic) 4 7. Bolt M3 (plastic) 4 8. Spacers 5mm (plastic) for M3 screws 4 CASCADE: Component Quantity --------------------------------------------------- 1. PCB (cascade) 1 2. Diode BY6 (6kV reverse breakdown voltage) 16 3. Capacitor 1nF (10kV) 15 4. Silicone insulated wire, 12cm 3 (for connection with MCU & shaper) 5. Screw M3/16mm (plastic) 4 6. Bolt M3 (plastic) 4 7. Spacers 5mm (plastic) for M3 screws 4 SHAPER: Component Quantity --------------------------------------------------- 1. PCB (shaper) 1 2. Resistor 1MOhm (10kV) 1 3. Resistor 130Ohm (10kV) 1 4. Resistor 220Ohm (10kV) 1 5. Transistor (BJT) NPN TIP122 1 6. High-voltage reed relay HM05-1A69-08 1 7. Diode 1N4007 1 9. Screw M3/16mm (plastic) 5 10.Bolt M3 (plastic) 5 11.Spacers 5mm (plastic) for M3 screws 5 12.Flat cable header MC9A12 17x2 2 13.Resistor 10kOhm 2 14.Resistor 150kOhm 1 15.Resistor 330Ohm 1 16.Resistor 1GOhm (30kV) 1 17.Discharge tip (sharp) 1 18.Discharge tip (rounded) 1 19.Socket for 4mm connectors, isolated 1 20.Crocodile clamp 55mm 1 21.Flat cable 2m, 32 wires 1 22.PCB for crocodile-clamp-to-flat-cable 1 MICROCONTROLLER UNIT (MCU): Component Quantity --------------------------------------------------- 1. PCB (MCU) 1 2. Arduino Nano v3 1 3. LCD 20x4 NHD-0420DZ-FL-YBW 1 4. Push button (dual, PCB mount) 2 5. Rotary Encoder (PCB mount) 1 6. Capacitor 2.2mF (more than one is optional) 5 7. Capacitor 1nF 1 8. Capacitor 3.3nF 1 9. Capacitor 2.2nF 3 10.Resistor 75kOhm 2 11.Resistor 330Ohm 1 12.Resistor 0.1Ohm (optional/for testing) 1 13.Resistor 10kOhm 5 14.Potentiometer 10kOhm 1 15.Transistor (BJT) NPN TIP122 1 16.Screw M2.5/16mm (metallic) 4 17.Bolt M2.5 (metallic) 4 18.Spacers 5mm (plastic) for M3/M2.5 screw 4 19.Isolated wire, approx. 3cm 4 (for connection with grip) CURTOM-MADE TRANSFORMER: 20.Transformer core ETD49/25/16 N87AL 3800NH 2 21.Transformer ETD49/25/16 coil former 1 22.Transformer ETD49/25/16 Yoke 2 23.Transformer insulation paper 0.2mm (sheet) 1 24.Wire AWG34/0.16mm dia., 2630V HY, 12 layers, 0.2 isolation between layers secondary: total number of wire turns 1875 (about 156 turns per layer) 25.Wire AWG18/1.02mm dia., 5130V HY, primary: total number of wire turns 4