# IoT Devices > IoT hardware manufacturer and OEM services for access control, sensors, controllers and connected power. Plan model requirements and software integration with IoT Devices. Selected buying and integration pages. Specifications describe reference models; confirm the exact variant, interfaces and project scope before ordering. The full text contains summaries of the main pages, with links to their source pages. ## Text resources - [Main page summaries](https://iotdevices.org/llms-full.txt): Selected buying and integration pages. Specifications describe reference models; confirm the exact variant, interfaces and project scope before ordering. The full text contains summaries of the main pages, with links to their source pages. ## Company and integration - [IoT Hardware Manufacturer & OEM Services](https://iotdevices.org/): We manufacture IoT hardware and offer OEM services for international project teams. Explore access control, sensors, controllers and connected power, with model requirements and software integration agreed for your project. - [Hardware catalogue](https://iotdevices.org/products): Compare connected hardware across nine categories, including sensors, controllers, connected power, access hardware and gateways. Each product page provides reference specifications where available and a model-specific enquiry. - [IoT hardware manufacturing for OEM projects.](https://iotdevices.org/oem): We operate a factory and provide OEM services for international project buyers. Start with the equipment, use case and software you need; we will review the manufacturing and integration scope for your project. - [IoT device integration for your software.](https://iotdevices.org/platform): Plan the full path from physical hardware to the application your team uses. - [Device API reference](https://iotdevices.org/open/interface): The device API documents authentication, device state, command discovery and event delivery for supported, provisioned devices. Model capabilities determine available commands. It is separate from the Super Screen transport; a command acknowledgement does not prove physical completion. - [Private IoT deployment on your infrastructure.](https://iotdevices.org/private-deployment): Compare direct control, software and hardware gateways, platform brokers and your own MQTT broker for a private IoT installation. - [Company information](https://iotdevices.org/about): IoT Devices is the hardware and integration website of doubleji america inc. We operate a factory and offer OEM services to international project buyers, with product selection and software integration planned around each project. - [Integration resources](https://iotdevices.org/resources): Find hardware, platform integration, deployment guidance and screen customization in one place. - [Contact IoT Devices](https://iotdevices.org/contact): Send the selected product, quantity, destination and integration requirements to contact@iotdevices.org. Request model documents, a quotation and delivery terms for the agreed project scope. ## Products for energy, control, access and gateways - [Metered Circuit Breaker for Energy Monitoring](https://iotdevices.org/products/metered-breaker): A breaker variant that adds electrical metering. - [Metered Breaker with Display for Distribution Monitoring](https://iotdevices.org/products/display-metered-breaker): A metering variant with a local digital readout. - [Wi-Fi DIN-Rail Circuit Breaker Supplier](https://iotdevices.org/products/circuit-breaker): A connected breaker option for a circuit-control project. - [High-Power Smart Breaker for Equipment Projects](https://iotdevices.org/products/high-power-breaker): A higher-power breaker family for appropriately specified loads. - [Individually Switched PDU Supplier | 5-Channel Control](https://iotdevices.org/products/pdu-individual): Power distribution with separately controlled outlets. - [Shared-Switching PDU for Equipment Power Control](https://iotdevices.org/products/pdu-shared): Power distribution with shared switching for the connected outlets. - [4-Channel Wi-Fi Lighting Controller Supplier](https://iotdevices.org/products/lighting-controller): A dedicated control option for connected lighting projects. - [8-Channel Wi-Fi Controller for Equipment Automation](https://iotdevices.org/products/general-controller): A controller family for integrating equipment with application logic. - [Wi-Fi Room Controller for Room Automation](https://iotdevices.org/products/room-controller): A control unit aimed at room-based equipment workflows. - [Infrared AC Controller for Energy Management](https://iotdevices.org/products/ac-infrared-controller): Infrared control of compatible air conditioners, including mode, temperature and fan settings. - [24-Channel Ethernet & Wi-Fi Equipment Controller](https://iotdevices.org/products/split-controller): A modular controller option for equipment integration. - [Modular Control Box for Equipment Integration](https://iotdevices.org/products/split-control-box): A control-box format for a modular equipment project. - [Wi-Fi Keypad Access Controller Supplier](https://iotdevices.org/products/keypad-access): A Wi-Fi keypad access controller for compatible 12 V DC electromagnetic and electric bolt locks. The controller itself requires a DC 5–12 V supply. - [UNI-KG-C Wi-Fi Wall Switch | Wiring & Project Enquiry](https://iotdevices.org/products/exit-switch): A 100–250 V AC-powered wall switch with 2.4 GHz Wi-Fi and 86 mm mounting. Confirm its wiring and output interface before specifying an access installation. - [Wi-Fi RF Gateway Supplier | 433 MHz TX / 315 MHz RX](https://iotdevices.org/products/rf-gateway): A radio-frequency gateway for compatible device integrations. - [Wi-Fi Temperature & Humidity Sensor Supplier](https://iotdevices.org/products/temperature-humidity): Environmental sensing with temperature and humidity updates for your application. - [Wi-Fi Wall Switch Supplier for Lighting Projects](https://iotdevices.org/products/wall-switch): A physical wall switch with software control for a lighting circuit. - [Wi-Fi Smart Plug Supplier for Equipment Control](https://iotdevices.org/products/smart-plug): A plug-in format for adding control to existing powered equipment. - [Super Screen for Energy Dashboards & Display Integration](https://iotdevices.org/super-screen): Super Screen for Windows and Android: independent display regions, web content and cloud or LAN control. Request a display integration quotation. ## Hardware selection categories - [Relays & breakers](https://iotdevices.org/categories/relays-breakers): Switching modules and circuit breakers for integrating power control into an equipment or building project. - [Device controllers](https://iotdevices.org/categories/controllers): Purpose-built controllers connect lighting, air conditioning, room equipment and alerts to application workflows. - [Access control](https://iotdevices.org/categories/access-control): Keypad controllers, mains-powered Wi-Fi wall switches and lock selection references for access projects. Compare each product by its documented electrical interface. - [IoT gateways](https://iotdevices.org/categories/gateways): Gateway hardware for connecting compatible devices with a wider control system. - [Sockets & PDUs](https://iotdevices.org/categories/sockets-pdus): Wall outlets, plug adapters and power distribution units for controlling connected equipment. - [Smart sensors](https://iotdevices.org/categories/sensors): Temperature, humidity, smoke and occupancy devices report changes that your application can use for monitoring and automation. ## Solutions and implementation guides - [Solutions](https://iotdevices.org/solutions): Explore industry and application directories alongside commercial-space, campus, software and retrofit guides. Energy guides cover meter connection, distribution monitoring and device consumption allocation. - [IoT in Energy and Utilities](https://iotdevices.org/solutions/energy-and-utilities): IoT for utilities connects meter readings, distribution equipment and operating teams. Start with a meter inventory, map electricity, water and gas readings to each site, and verify the data path before adding alerts or remote control. This guide covers meter connection, distribution monitoring, utility measurement and integration choices. - [IoT Device Energy Allocation and Management](https://iotdevices.org/solutions/energy-management): Device energy allocation assigns measured electricity use to a circuit, device, room or department. Use interval meter differences for direct measurements; label shared-load allocation as an estimate. Map meters to equipment, reconcile totals and investigate missing readings before changing lighting or HVAC schedules. - [Connectivity and control](https://iotdevices.org/solutions/connectivity-and-control): Define device identity, communication and command feedback before connecting equipment to business workflows. - [Buildings and campuses](https://iotdevices.org/solutions/smart-building-and-park): Coordinate access, lighting, climate and equipment schedules across rooms, buildings and shared facilities. - [Industrial manufacturing](https://iotdevices.org/solutions/industrial-manufacturing): Start with a production asset list and collect the operating signals needed for maintenance and resource planning. - [Space operations](https://iotdevices.org/solutions/space-operations): Link reservations and opening hours with access and equipment use across shared or unattended spaces. - [Intelligent maintenance](https://iotdevices.org/solutions/intelligent-om): Turn operating signals into inspection tasks and maintenance records that technicians can verify in the field. - [Software & room automation](https://iotdevices.org/solutions/software-integration): Connect an existing web app, mobile app or business system with physical devices and their events. - [Equipment retrofit](https://iotdevices.org/solutions/retrofit): Explore a practical route from traditional electrical equipment to application-controlled operation. - [Commercial spaces](https://iotdevices.org/solutions/commercial-spaces): Connect room access, lighting and equipment to the software that manages your venue. - [Private platforms and brands](https://iotdevices.org/solutions/brand-and-platform-privatization): Build a deployment plan around your brand, organizational boundaries and the infrastructure you operate. - [Hardware partnerships](https://iotdevices.org/solutions/hardware-ecosystem-partnership): Plan connectivity, firmware and enclosure changes around the equipment you already manufacture or install. ## Super Screen technical documentation - [Super Screen documentation](https://iotdevices.org/super-screen/docs): Install and register a Windows or Android player, configure display regions, publish content, and integrate cloud or LAN control. The guides include protocol examples, plugin development, deployment acceptance and illustrative energy and room workflows. - [Install and connect](https://iotdevices.org/super-screen/docs/getting-started): Prepare the player, connect a workspace and put your first page on screen. - [Display regions and layers](https://iotdevices.org/super-screen/docs/display-regions): Create, position and stack regions, then manage their window states. - [Content and playback control](https://iotdevices.org/super-screen/docs/content-and-control): Send webpages, video, documents and plugin parameters to a selected region. - [Speech and audio](https://iotdevices.org/super-screen/docs/speech): Configure text-to-speech, queue behavior, languages and volume. - [Cloud and LAN integration](https://iotdevices.org/super-screen/docs/integration): Understand message envelopes, local connections, authentication and replies. - [Build a display plugin](https://iotdevices.org/super-screen/docs/plugins): Read region parameters, receive commands and report events from your webpage. - [Operation and troubleshooting](https://iotdevices.org/super-screen/docs/operations): Plan startup recovery, updates and checks for unattended screens. - [Super Screen deployment and acceptance](https://iotdevices.org/super-screen/docs/deployment): Deploy a Windows or Android player, choose cloud or LAN control, and verify restart, content and connection recovery before unattended operation. - [Super Screen API examples: LAN WebSocket](https://iotdevices.org/super-screen/docs/api-examples): Query regions over the documented LAN WebSocket, correlate replies by mid and handle timeout before publishing content. Examples use the screen protocol, separate from the device API. - [Super Screen integration examples: energy and rooms](https://iotdevices.org/super-screen/docs/integration-examples): Reference workflows for an energy dashboard and a room-status display, including data ownership, screen commands and acceptance checks. These are implementation examples, not customer case studies.