Showing posts with label Electric circuit. Show all posts
Showing posts with label Electric circuit. Show all posts

Dec 7, 2020

Lithium polymer battery charger module (TP4056) schematic and board using Eagle PCB software (AUTODESK) (PCB 설계 소프트웨어 EAGLE을 활용한 리튬폴리머 배터리 충전 모듈 (TP4056) 회로도 및 보드)

*If you need some design files or materials, please ask me.

- Board: Lipo. battery charger module (TP4056)

- PCB software: Eagle (AUTODESK)

- Bills of material (BOM)

Schematic

(Left) Board, (right) Virtual image

Nov 24, 2020

LED + Slide switch + Lithium polymer (lipo.) battery charger + lipo. battery

- Goal: LED turn On/off with lipo battery charger circuit

- Supplies: LED, slide switch, Lipo charger (*SparkFun Lipo Charger Basic - Micro-USB), Lipo battery, register, wire, micro type USB

*https://www.sparkfun.com/products/10217

[Wring connection (left) and charging mode (right)]



[LED turn on (right sight) and off (left side)]





Sep 17, 2020

Surface Mount Device (SMD) size (SMD 사이즈 설명)

- The simple explanation of Surface Mount Device (SMD) chip size. (SMD 칩 사이즈에 대한 간단한 설명)

- Example: (SI) ..., 1005, 1608, 2012, 2520, ...

               (US) ..., 0402, 0603, 0805, 1008, ...