ESP32 Wi-Fi/BLE IoT Sensor & Relay Control Node — 3D PCB CAD, Schematic & Circuit Simulator | hoan.uk
Complete ESP32 microcontroller IoT hardware node with LDO voltage regulation, status indicators, GPIO headers, firmware simulator, and 3D PCB layout.
14 Reference Electronic Schematics & 3D PCB Templates
- NE555 Astable Pulse Generator & Dual LED Blinker (Analog & Pulse)
- LM358 Operational Amplifier Non-Inverting Audio Preamp (Analog & Pulse)
- Dual NPN BJT Astable Multivibrator Flip-Flop Oscillator (Analog & Pulse)
- ESP32 Wi-Fi/BLE IoT Sensor & Relay Control Node (Microcontrollers & IoT)
- ESP32 + DHT22 Meteorological Telemetry Weather Station PCB (Microcontrollers & IoT)
- First-Order Passive RC Low-Pass Filter & Phase Shift Network (Basic Circuits)
- NPN BJT Transistor Saturation Switch & LED Driver (Basic Circuits)
- LM7805 5V Linear DC Voltage Regulator Power Supply (Basic Circuits)
- LM317 Adjustable Linear DC Bench Power Supply (1.25V–37V) (Basic Circuits)
- N-Channel Power MOSFET PWM DC Motor Speed Controller with Flyback Diode (Advanced & Power)
- 74HC595 8-Bit Serial-In Parallel-Out Shift Register LED Bar (Advanced & Power)
- CD4017 Decade Counter & Sequential LED Chaser Matrix (Advanced & Power)
- 74HC14 Hex Schmitt-Trigger Inverter Relaxation Oscillator (Advanced & Power)
- ATmega328P Minimal Standalone Microcontroller System (16MHz Crystal) (Microcontrollers & IoT)