Designed as a battery level indicator using an LM3914 analog voltage sensing circuit, this module provides a precise readout of remaining battery capacity. Key benefits - Accurate remaining power readout: high precision analog voltage detection allows users to gauge how much charge is left. - Clear visual indication: LED display shows battery level at a glance, enabling quick status checks without measurements. - Broad compatibility: suitable for lithium batteries, lead-acid batteries, and other common battery chemistries. - Adjustable indication range: the power display range can be configured to match different battery types and capacities, improving accuracy. What makes it stand out - LM3914 based design delivers reliable, easy-to-interpret battery level insight with minimal setup. - Flexible range setting allows adaptation to various battery chemistries and voltage profiles. - Simple integration into existing systems or projects that require ongoing battery monitoring. Key specifications and attributes - Function: battery level indicator with LED display - Compatibility: lithium batteries, lead-acid batteries, and other widely used battery types - Sensing: analog voltage detection via LM3914 for accurate remaining capacity readout - Range: adjustable display range to match battery power and chemistry - Display: LED indicators for clear status visibility Practical use scenarios - Solar or off-grid setups: monitor a 12V lead-acid storage battery to determine when recharging is needed. - Portable power systems: track remaining charge on Li-ion battery packs in compact power stations or emergency backups. - Hobby and DIY projects: integrate into RC vehicles, drones, or sensor projects using LiPo or other common batteries to prevent power loss mid-use. Notes - Ensure correct wiring and appropriate range settings to reflect the target battery type and voltage range.