CircuitNexa Portfolio
PCB Design & Electronics Engineering Projects
Explore 78 CircuitNexa electronics projects spanning PCB design, embedded systems, wireless products, medical electronics, automotive hardware, robotics, power electronics and RF engineering.
32-Channel EEGMedical Devices
Multi-Channel EEG Biosignal Acquisition BoardMedical Devices
EEG Data Acquisition InterfaceMedical Devices
Wearable EMG & Biosignal Sensor ModuleMedical Devices
Compact Medical Sensor ModuleMedical Devices
Wireless ECG Monitoring ControllerMedical Devices
Wearable Wireless Health MonitorMedical Devices
Remote CameraIoT
Industrial IoT Gateway ControllerIoT
Dual-RJ45 Networked I/O ControllerIoT
ESP32 Embedded Controller BoardIoT
Multi-Channel IoT Relay ControllerIoT
Dual-Band Wi-Fi & Location DetectorIoT
ESP32 Camera ControllerIoT
IoT Display & Control PanelIoT
Enclosed IoT Sensor NodeIoT
USB Sensor / Wireless AdapterIoT
LoRa Field Gateway / Sensor NodeIoT
12-V IoT Power & Control NodeIoT
ESP32 USB-C IoT ControllerIoT
NFC Card Data DuplicatorIoT
Trailer Control BoxAutomotive
Automotive Ethernet / Gateway ControllerAutomotive
ESP32 Multi-Load Vehicle ControllerAutomotive
Automotive Auxiliary Control & Alert BoardAutomotive
Automotive LED / Lighting ControllerAutomotive
220V AC EV Charging ControllerAutomotive
Robotics Control BoardRobotics
Robotics Control & I/O BoardRobotics
Wireless Hygrometer Sensor NodeRobotics
Robotics Proximity / Presence Sensor BoardRobotics
Bank-Switched SRAM Memory CartridgeRobotics
Robotics Wireless Control InterfaceRobotics
ATmega328P Bluetooth Control BoardRobotics
Robotics Brain Controller with SD StorageRobotics
Power ControlEnergy & Power
Smart AC Load & Fan ControllerEnergy & Power
Embedded Power & Control BoardEnergy & Power
Dual-Rail DC-DC Power ModuleEnergy & Power
TENS Therapy Power & Control UnitEnergy & Power
High-Current Dual DC-DC ConverterEnergy & Power
Solar-Powered LoRa/GNSS ControllerEnergy & Power
Smart FarmingAgriculture
Smart Environmental Monitoring NodeAgriculture
Wireless Agricultural Sensor ControllerAgriculture
Smart Irrigation & Field ControllerAgriculture
Connected Crop Monitoring NodeAgriculture
Agricultural CO2 & Climate MonitorAgriculture
Performance TrackerSports Technology
Compact Embedded Sensor ControllerSports Technology
Wireless Wearable ControllerSports Technology
Vibration / Piezo Sensor InterfaceSports Technology
Wireless Embedded Control BoardSports Technology
Battery-Powered Sensor ModuleSports Technology
Circular USB / Display ControllerSports Technology
Sports Training Control InterfaceSports Technology
GNSS / Cellular Tracking ControllerSports Technology
Health BandConsumer Electronics
Smart User Control InterfaceConsumer Electronics
E-Paper Smart Display ControllerConsumer Electronics
USB-C Wireless Development ModuleConsumer Electronics
Wireless USB DongleConsumer Electronics
Compact Wireless USB AdapterConsumer Electronics
Embedded Controller Development BoardConsumer Electronics
Flexible Wearable PCBConsumer Electronics
Compact Wireless Sensor ModuleConsumer Electronics
Embedded Ethernet Interface BoardConsumer Electronics
Matrix Control / Interface BoardConsumer Electronics
Nixie-Style Display ControllerConsumer Electronics
USB-C Power & Interface BoardConsumer Electronics
ESP32 USB Development DongleConsumer Electronics
Smart Display & Motor Control ModuleConsumer Electronics
Multi-Port USB HubConsumer Electronics
RF AttenuatorRF PCBs
RF Band-Pass FilterRF PCBs
RF Amplifier / Signal Conditioning ModuleRF PCBs
RF Attenuator / Level Control ModuleRF PCBs
Microstrip RF Antenna / CouplerRF PCBs