A Printed Circuit Board (PCB) is a fundamental component in electronic devices, providing the physical structure to mount and connect electronic components. The process of working with a PCB involves designing, fabricating, assembling, and testing. Below is a simplified guide on how to work with a PCB: 1. Designing a PCB PCB design is the first and crucial step. It involves creating a blueprint of the electrical circuit that will be etched onto the board. Choose PCB Design Software : Common tools include KiCad , Eagle , Altium Designer , or EasyEDA . Schematic Diagram : Create a schematic that shows how components are connected (e.g., resistors, capacitors, ICs). Component Placement : In the PCB design software, place components on the board. The design should consider the physical size and pin connections of the components. Routing : This is the process of connecting the components via traces (the electrical pathways). Ensure proper routing to minimize interference and avoid s...
1. Android 1.0 (Apple Pie) – September 2008 First Android release. Basic smartphone features: phone dialer, contact list, web browser, camera support, and access to Google services like Gmail and Maps. No on-screen buttons (hardware navigation buttons were used). 2. Android 1.5 (Cupcake) – April 2009 On-screen keyboard : The introduction of the first software keyboard, replacing the hardware keyboards. Video recording : Added video recording capability to the camera. Widgets : Home screen widgets, improving user interaction. Copy and Paste : Initial clipboard support. 3. Android 1.6 (Donut) – September 2009 Faster performance : Improvements to speed and UI performance. Expanded screen support : Supports a variety of screen sizes and resolutions. Updated Search : Added voice search functionality. App management : The ability to install and update apps via the Android Market. 4. Android 2.0 - 2.1 (Eclair) – October 2009 Enhanced Google Maps : Improved maps with turn-by-turn naviga...