This module is a minimalist Arduino Watch design. Consisting of a Microchip ATTINY85-20SU microcontroller, an OLED display for visual output, two user buttons for interface, and a Li-ion Battery for power. The schematic also includes graphic user interface with ISP for programming and minimal passive components for functionality. #wearableDevices #project #Template #projectTemplate #reusable #module #simple-embedded #microchip #arduino #sublayout

The BQ24650, developed by Texas Instruments, is a highly integrated switch-mode battery charge controller designed to offer efficient charging solutions for solar power applications and portable instruments. This component stands out for its capability to handle a wide input voltage range from 5 V to 28 V, making it suitable for various solar panel configurations. It features Maximum Power Point Tracking (MPPT) to ensure optimal energy extraction from solar panels by adjusting the input voltage to match the panel's maximum power output. The BQ24650 supports charging for multiple chemistries including Li-Ion/Polymer, LiFePO4, and lead acid batteries, with programmable charge current and voltage regulation to accommodate specific battery requirements. Its synchronous buck controller operates at 600 kHz, enabling compact circuit design due to smaller external components. Additionally, the device includes a host of protection features such as input overvoltage protection, thermal shutdown, and battery temperature sensing for safe operation. The BQ24650 is packaged in a small 3.5 mm x 3.5 mm, 16-pin QFN, offering a compact solution for space-constrained applications. Its diverse range of applications includes solar-powered systems, remote monitoring stations, portable handheld instruments, and 12-V to 24-V automotive systems, highlighting its versatility and adaptability to various power management tasks.

Sub layout for ATTINY85 in DIP package. Minimal components with ISP programming connector(excluded from BOM) #Module

This is a LoRa based gas leakage detector design featuring a BME680 gas sensor by Bosch Sensortec. It includes a Seeed LoRa module for RF communication and uses an MCU. The power is driven by two non-rechargeable AA batteries with voltage regulation by TPS613221ADBVR IC. The project also incorporates user interaction components such as indicators (LED) and switches. #LoRa #MCU #ReferenceDesign #Module #reusable #module #simple-embedded #seeed #seeed-studio #sublayout

This is a module/sub-layout for a quick design Raspberry Pi Pico-based project. MCU RP2350A without FLASH Memory. The minimal size for resistors and capacitors is 0402, which makes it easier to hand-solder and cheaper for a PCB manufacturer to assemble. All components have manufacturer part numbers. #Raspberry #Pi #Pico #MCU #RP2350A #Module #reusable #module #simple-embedded #sublayout #polygon

This project is a reference design for a Fully Integrated Battery Charger with Two Step-Down Converters the RT9511 IC. Key components include various capacitors, resistors, inductors, and two AO3401A transistors. This charger can be a valuable design baseline for portable and handheld devices needing battery management solutions. #Template #charger #reusable #module #batterycharger #template #bms #monitor #RT9511 #richtek

The Fairchild Power Switch(FPS) product family is specially designed for an off-line SMPS with minimal external components. #RegulatorSwitching #commonpartslibrary

This is a reference design project for a battery charger based on the RT9525 battery charger IC from Richtek. Some key components are the IC itself (U1), various capacitors (like C1, C2, C3, C4), resistors (R1, R2, R3, R4), LEDs, and connectors. The circuit connects via battery, system voltage and various enable signals. #project #Template #charger #reusable #module #batterycharger #template #bms #monitor #RT9525 #richtek

SOD2512X115N https://www.mccsemi.com/pdf/Products/1N4148WX(SOD-323).pdf MICRO COMMERCIAL COMPONENTS - 1N4148WX-TP - SWITCHING DIODE, 500MW, 1V, SOD323 1.15 MCC 1N4148WX-TP 833-1N4148WX-TP https://www.mouser.co.uk/ProductDetail/Micro-Commercial-Components-MCC/1N4148WX-TP?qs=Vo7e0yZOYdH7fKyVBspYOg%3D%3D 1N4148WX-TP https://www.arrow.com/en/products/1n4148wx-tp/micro-commercial-components?region=nac