InterlinkKnight's video: DIY Breadboard Power Supply

This is a DIY power bank especially made for breadboards, with a 18650 battery, charger module, boost converter and a simple battery indicator with a bi-color LED (red-yellow-green). PCB is sponsored by https://jlcpcb.com $2 for PCBs & Free Shipping First Order. Instructions on how to build it in here: https://www.instructables.com/id/DIY-Breadboard-Power-Bank Battery indicator schematic: Bi-color LED common cathode: https://easyeda.com/normal/Common_Cathode-ce4d2f01f5c6436d9ab979c738fc9b27 Bi-color LED common anode: https://easyeda.com/normal/Common_Anode-9acb61fe7f9f48a890aeda0e9cc3fea6 Battery indicator PCB gerber: Bi-color LED common cathode: https://drive.google.com/open?id=1ilC7msVdXpRidGLW-aFO3GPJCwVCdp2k Bi-color LED common anode: https://drive.google.com/open?id=1b0KJOyVqfGOn6RHZzp_uhXIVO9ZnJjCW Battery indicator EasyEDA project: Bi-color LED common cathode: https://easyeda.com/InterlinkKnight/Battery_Indicator_Common_Cathode-721a8a8bc919430baee5ad2e87582bef Bi-color LED common anode: https://easyeda.com/InterlinkKnight/Battery_Indicator_Common_Anode-2f72cd2636a848d4a0f198bf032c0701 Buy materials: - 18650 lithium-ion battery: https://amzn.to/2SClpo7 - TP4056 charger module: https://amzn.to/3oZ1Q5s - MT3608 boost converter: https://amzn.to/2A2cjoC - Button: https://amzn.to/3gqDu0i - Electrolytic capacitor kit: https://amzn.to/2A2uOJz - Ceramic capacitor kit: https://amzn.to/3xfAL0N - Schottky diode 1A 40V: https://amzn.to/2A3mjOD - 2x8cm perfboard: https://amzn.to/2pLoeBz - 2x3 2.54mm pin male headers: https://amzn.to/2QInZTj - Epoxy: https://amzn.to/2RHwkIf Buy optional materials (for LED indicators): - 3mm bi-color LED (red-green) common cathode. Buy here: https://amzn.to/2QFF8N8 - NE5532P op-amp. Buy here: https://amzn.to/2C6YOpd - S8050 NPN transistor. Practically any NPN transistor would work, though. Buy here: https://amzn.to/354wXDl - Resistors (1% of 1/4W): - R1: 6.2K. Buy here: https://amzn.to/2X0ZbcW - R2: 2.2K, R3: 51K, R4: 2K, R5: 6.8K, R7: 100K, R8: 100, R9: 5.1K, R10: 2K. Buy a resistor kit that includes these values: https://amzn.to/2A2gHE6 - R6: 2.7K for the positive side of the voltage divider for the op-amp 1IN- that controls when the green LED turns OFF. Buy here: https://amzn.to/2QJvzgr - 3mm bi-color LED (red-green) common anode for the charger indicator. Buy here: https://amzn.to/2ye9a3O Recommended Tools: - Electronic Parts Tester (ESR LCR-T4): https://amzn.to/2QvQJlP - Breadboard (good quality): https://amzn.to/2QsyY3C - Storage Case for Jumper Wire: https://www.walmart.com/ip/The-Hillman-Group-Large-Storage-Case-1pk/46494509 - Multimeter (Fluke 17B+): https://amzn.to/2L3PNQk - Rigol DS1054Z Digital Oscilloscope: https://amzn.to/2C5ZwD7 Note: As an Amazon Associate I earn from qualifying purchases. Website: https://www.interlinkknight.com/ Patreon: https://www.patreon.com/InterlinkKnight/