ESP32-S3 WROOM-1 240MHz · 8MB GPIO0GPIO1SDASCLTX0RX0 MOSIMISOSCKCSEN3V3 Heltec WiFi LoRa 32 V4 SX1262 · 868/915MHz WiFi+BLE+LoRa OLED 128x64 · SSD1306 TCA9554 I²C GPIO EXP 8-bit · ADDR 0x20 P0–P7 · INT SDASCLA0A1A2INT P0P1P2P3P4P5 SX1262 LoRa TRX · +22dBm SPI Interface PCA9685 16-Ch PWM · I²C RGBW · SERVO · LED SIM800L GSM/GPRS · UART 850/900/1800 MHz W5500 Hardwired TCP/IP 100BASE-T · SPI I²C BUS GPIO CLK UART DATA ADC IN NET001: VCC_3V3NET008: LoRa_NSSNET015: SDA_0 I²C_ADDR: 0x20 · 0x40 · 0x48 · 0x68 BRENDUHNET SYSTEMS TITLE: REV: B.3 SHT: 1/4 CarPotato ECO DATE: 2026-03 LIGHT BAR · CH0 DITCH · CH3 RELAY BANK CH0 CH1 CH2 CH3 RGBW ROCK LIGHTS PAN/TILT MOUNT BLE · CONNECTED DOG MODE · CABIN 72°F SAFE GPS · GEOFENCE 39.32°N 120.18°W BATTERY · DBP 13.2V LoRa 915MHz WINCH ACTUATOR SCENE: OFF-ROAD 4/8 ON AMS1117 3.3V REG 0x40 PCA9685 0x41 PCA9685 0x20 TCA9554 0x48 ADS1115 WiFi · AP CELL · SIM800L OBD-II · COMING SOON
HOMEPOTATO

Whole-Home Automation Hub

HomePotato - Whole-Home Automation Hub

HomePotato manages your entire home through a central hub and distributed room nodes - your vehicle and your home. bridging Zigbee, Z-Wave, and Matter into one local-first system. Native voice control via HomeKit, Google Home, and Alexa. No subscriptions. No cloud lock-in.

CARPOTATO
HOMEPOTATO
CONTROL
CONNECTIVITY
SAFETY

Detailed Specs

Expand any section for detailed specs.

The Hardware Stack

HomePotato Hub

ESP32-S3 with PoE Ethernet (W5500), WiFi, 8 digital inputs, 8 relay outputs. Runs automation engine, ClimateGuard, and protocol bridges.

Fry-W (WiFi)

Basic room node. WiFi connectivity, local I/O, temperature sensor. For rooms within WiFi range.

Fry-WL (WiFi + LoRa)

Extended-range node with LoRa fallback. Reaches detached garages, outbuildings, sheds beyond WiFi range.

Fry-Z (Zigbee Coordinator)

CC2652P Zigbee 3.0 coordinator. Manages your Zigbee mesh - Hue, Tradfri, Aqara, Sonoff, and thousands more.

Smart Home Protocols

Zigbee 3.0

Self-healing mesh via CC2652P. Philips Hue, Ikea, Aqara, Sonoff - thousands of devices, no vendor hub required.

Z-Wave 700/800

Premium locks, sensors, switches. Sub-GHz penetrates walls. S2 security for encrypted lock communication.

Matter + Thread

Bridges your entire fleet to HomeKit, Google Home, and Alexa simultaneously. Thread border router for low-power mesh.

Cloud Relay

Opt-in WebSocket tunnel for remote access. No port forwarding, no VPN. Disable anytime - all local features keep working.

Home Use Cases

Climate & Safety

Multi-zone temperature monitoring, freeze detection, overheat alerts. Auto-relay response. SMS + push on breach.

Whole-Home Lighting

Zigbee and Z-Wave bulbs, dimmers, switches unified. Sunset schedules, motion scenes, vacancy simulation.

Entry & Access

Smart locks, door/window sensors, motion detectors. Geofence arm/disarm. Custom relay actions on trigger.

Energy Management

Smart plugs with wattage monitoring. Kill vampire loads, enforce HVAC setpoints, monthly energy reports.

Outbuildings

Fry-WL nodes reach garages, workshops, barns via LoRa. Full automation without extending WiFi.

Rental & Multi-Unit

Central hub manages multiple units. Per-unit automations, vacancy setpoints, pipe-freeze protection.

Technical Specifications

Hub Hardware

ESP32-S3 (Waveshare PoE), W5500 Ethernet, WiFi, 8DI/8RO, PoE or 12V DC input

Protocols

Zigbee 3.0 (CC2652P), Z-Wave 700/800, Matter/Thread, WiFi, LoRa 915MHz, MQTT

Voice

Apple HomeKit, Google Home, Amazon Alexa via Matter bridge. Local processing, no cloud dependency.

App

Native Android (Kotlin), device dashboard, automation engine, ClimateGuard, remote access, energy monitoring

Looking for vehicle control? See CarPotato

Interested in BrenduhNet?

Our product overview covers the full ecosystem, market opportunity, and technical architecture.

DOWNLOAD PRODUCT OVERVIEW

Or reach out: info@brenduhnet.com

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