{"product_id":"m5stack-mini-proto-unit-77-hole-2-54mm-u022","title":"M5Stack Mini Proto Unit – 77-Hole 2.54mm Board | U022","description":"\u003cp\u003eThe M5Stack Mini Proto Unit provides a compact 77-hole soldering area for custom sensor adapters, signal-conditioning circuits, connector conversions, and one-off embedded interfaces. Its 2.54 mm pitch accepts many common through-hole components, while the Grove connection brings host signals and power into the board. Because the holes are not automatically connected into rows or rails, every power, ground, and signal path must be deliberately planned, soldered, inspected, and tested.\u003c\/p\u003e\u003ch2\u003eBuild Custom Circuits with the M5Stack Mini Proto Unit\u003c\/h2\u003e\u003ch3\u003eUse 77 Holes on a 2.54 mm Grid\u003c\/h3\u003e\u003cp\u003eThe board provides 77 CNC-drilled holes at standard 2.54 mm spacing for headers and through-hole components.\u003c\/p\u003e\u003ch3\u003eBring Grove Signals into a Soldered Prototype\u003c\/h3\u003e\u003cp\u003eThe HY2.0-4P connection exposes the selected host port conductors for application-specific wiring.\u003c\/p\u003e\u003ch3\u003eCreate Every Electrical Connection Deliberately\u003c\/h3\u003e\u003cp\u003eThe holes do not form automatic rows or power rails, so use component leads, insulated wire, or soldered jumpers.\u003c\/p\u003e\u003ch2\u003eWhat You Can Build with M5Stack Mini Proto Unit\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCustom Grove sensor adapters\u003c\/li\u003e\n\u003cli\u003eSignal conditioning and level shifting\u003c\/li\u003e\n\u003cli\u003eConnector and pinout conversion\u003c\/li\u003e\n\u003cli\u003eCompact through-hole prototypes\u003c\/li\u003e\n\u003cli\u003eTeaching and circuit experiments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIntegration and Workflow\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDraw the component placement, Grove pin assignment, power path, and ground path before soldering.\u003c\/li\u003e\n\u003cli\u003eCheck component lead spacing and reserve clearance for the enclosure and cable exit.\u003c\/li\u003e\n\u003cli\u003eCreate each required connection, then inspect continuity and shorts with the host disconnected.\u003c\/li\u003e\n\u003cli\u003eUse a current-limited source for first power-up and verify voltage and polarity before connecting the M5Stack controller.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eDeployment Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThis is a solderable prototype PCB, not a solderless breadboard.\u003c\/li\u003e\n\u003cli\u003eHoles are not automatically connected into rows or dedicated power rails.\u003c\/li\u003e\n\u003cli\u003eCurrent capacity depends on wire size, solder joints, copper paths, temperature rise, and component ratings.\u003c\/li\u003e\n\u003cli\u003eVerify the exact pin mapping and voltage of the selected M5Stack host port.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDevelopment Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/products\/sku\/U022\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"\u003eM5Stack U022 Documentation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uiflow2.m5stack.com\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"\u003eM5Stack UiFlow2 Development Environment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.arduino.cc\/software\/ide\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"\u003eArduino IDE Documentation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LogicBoundless","offers":[{"title":"Default Title","offer_id":49240330207447,"sku":"LB-M5-U022","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/8952\/2135\/files\/1_c054eee9-193c-4b45-a653-3b31f70edc80.jpg?v=1783243265","url":"https:\/\/logicboundless.com\/products\/m5stack-mini-proto-unit-77-hole-2-54mm-u022","provider":"LogicBoundless","version":"1.0","type":"link"}