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by jibrilsharafi
Smart energy meter capable of monitoring up to 16 channels. Supports MQTT, REST API, Modbus TCP, InfluxDB, AWS IoT Core. Friendly UI and fully open source (PCB, schematics, components, source code)
by tebl
A PCB being made while watching Ben Eaters "Build a 6502 computer" video series. Includes the computer itself, a standalone slow clock and an Arduino Mega shield for the bus monitor sketch..
by wagiminator
Single-Cell Li-Ion Battery Charger with Monitoring
by roepkefeller
DIY air quality monitor: ESP32-C3, 4 Sensirion/Bosch sensors, custom 4-layer PCB, ESPHome firmware with Home Assistant integration.
by BEEMB
Battery Health Monitor A compact device for monitoring the State of Health (SoH) and State of Charge (SoC) of lithium batteries. It uses the BQ27441 fuel gauge IC and BQ24075 charger IC, along with an ATmega328P microcontroller, to provide real-time battery data and display it through LED bars.
by teapotlaboratories
Teapotlabs BWLR1E: Wireless Environmental Sensor with Energy Harvesting from Solar Energy
by pol-valero
3D-printed Mars Rover robot inspired by NASA’s Perseverance rover. Built using Raspberry Pi, ESP32, and Arduino boards. It includes a web dashboard and a remote control with a touchscreen for monitoring and control.
by cwgstreet
ESP32 wifi enabled quad temperature probe device to monitor bbq meat / pit temperatures with wireless cloud data logging for remote monitoring and push alert notifications
by hkzlab
This board converts CGA/EGA/MDA/Hercules TTL signals into analog RGB signals that can be fed into a compatible monitor
Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.
