SeedSphere Smart Agriculture Controller

Low-cost rechargeable LiPo BBQ/smoker fan controller using an ESP32-C6, K-type thermocouple input, BLE/Wi‑Fi phone connectivity, and PWM fan output.

ESP32 Battery Management System Controller Board – An innovative solution for smart power control and audio recording integration. This cutting-edge board harnesses the power of the ESP32 microcontroller to deliver precise battery management and seamless integration with an S3 Voice Recorder subsystem. Perfect for advanced IoT applications, the board’s robust design ensures reliable energy optimization, remote monitoring, and real-time performance coupled with high-quality voice recording capabilities. Experience enhanced connectivity, efficient power regulation, and smart audio functionality, all in one compact package that paves the way for next-generation smart devices. #ESP32 #BatteryManagement #VoiceRecorder #IoT #SmartDevices #ControllerBoard

ESP32 Battery Management System Controller Board – An innovative solution for smart power control and audio recording integration. This cutting-edge board harnesses the power of the ESP32 microcontroller to deliver precise battery management and seamless integration with an S3 Voice Recorder subsystem. Perfect for advanced IoT applications, the board’s robust design ensures reliable energy optimization, remote monitoring, and real-time performance coupled with high-quality voice recording capabilities. Experience enhanced connectivity, efficient power regulation, and smart audio functionality, all in one compact package that paves the way for next-generation smart devices. #ESP32 #BatteryManagement #VoiceRecorder #IoT #SmartDevices #ControllerBoard

This project is a Pulse Width Modulation (PWM) Controller, built around an LM555 timer IC. It controls a load connected to a MOSFET, with adjustments via a potentiometer, and uses capacitors, resistors and diodes for various functions. #PWM #controller #project #Template #projectTemplate

2-layer 415V agricultural motor starter controller with STM32, 4G modem, relay control, current/voltage sensing, and isolated field inputs.

Functionally similar multi-channel electronic lock controller with 24 V lock outputs, 3.3 V logic, MCU control, shift-register expansion, CAN interface, test/reset controls, and protected solenoid driver stages.

ESP32-S3 Industrial PLC Controller schematic architecture for a 24 V industrial PLC with W5500 Ethernet, isolated RS485, 8 opto-isolated digital inputs, and 8 protected high-side outputs.

ESP32-S3 controller board with independent DATA outputs and shared CLK for multi-port LED/control outputs, powered and programmed over USB-C.

IP67 Australian 240 VAC spa-light controller focused on isolated SELV control electronics, optical programming, hold-up power, mains-present sensing, and relay coil drivers.

Industrial 24 V DC MESBox controller with embedded Linux SOM, STM32 real-time I/O, triple RJ45 Ethernet, TFT display, isolated inputs, protected transistor outputs, offline memory, surge/reverse-polarity protection, and EMC-focused layout constraints.

ESP32-S3 automotive controller with shared-ground CAN bus, USB serial/programming, protected 12 V input, and optocoupled PWM low-side control for an active exhaust valve.

Compact 2-layer BLE pneumatic valve controller for a 12V campervan leveling valve block with two low-side solenoid drivers.

STM32F103-based GLECS V4 pure logic controller with 12V input power tree, onboard 4G module, isolated relay control zone, sensors, OLED, debug headers, and 200x140mm two-layer PCB requirements.

Autonomous black pepper harvesting robot electrical control system with ESP32 controller, ESP32-CAM vision, A4988 stepper drives, PCA9685 servo control, sensors, E-stop, 12V battery input, and 5V power distribution.

Industrial motor controller PCB with 12V relay switching zone isolated from STM32/4G LTE logic zone by a routed vertical isolation slot on a 150x100mm 2-layer FR4 board.

ESP32-S3 USB-C powered controller with eight user key buttons, native USB programming, 3.3V regulation, boot/reset controls, and firmware/bring-up documentation.

ESP32-C3 based controller for two 5 V, 150 mA servos from a 9–32 V DC input. Uses an LMR51625 buck regulator for the 5 V rail and derives 3.3 V logic power for the ESP32-C3.

Low-voltage logic-only CERILUME Phase 1 LED controller using an Arduino Nano ESP32 plug-in module, 5V logic level shifting for WS2812/SK6812 data, microphone input header, and labeled test pads. LED power distribution and high-current switching are intentionally out of scope.

ESP32-based moss terrarium controller for constant temperature and humidity using 12V TEC/heater/LED/fan/mist drivers, SHT35 sensing, OLED UI, and protected 12V-to-5V-to-3.3V power architecture.

Industrial-grade RP2350B controller with W5500 Ethernet, 24V input power, isolated industrial I/O, RS485, USB hub, relay outputs, and robust connector protection for -40°C to +85°C consumer/industrial use.

ESP32-based autonomous agricultural robot controller with battery input, motor-driver, ultrasonic, servo, sensor-bus, and GPS headers plus self-documenting PCB silkscreen.

ATmega-based SMD controller for ten 12 V LED strip channels, each rated up to 2 A, with one pushbutton selecting and retaining one of ten lighting patterns.

Premium dual-PCB ESP32 smart water level controller with isolated high-voltage power/motor board, low-voltage IoT logic board, level sensing, dry-run/voltage/current protection, TFT UI, MQTT connectivity, RTC logging, and industrial surge protection.

2-layer single-cell Li-ion robot controller with BU01 UWB module socket, ESP32 Wi-Fi uplink, dual motor driver, isolated 5 V boost rails, onboard charging, status LEDs, and sensor connectors.