Hardware projects tagged co2-scd40

Open hardware projects tagged co2-scd40 on BoardRepo. View schematics and PCBs in the browser and download the sources.

Projects

10 boards
osventilationpy
@peterlourens

Implementation of demand controlled ventilation system in Micropython

schematicpcbbomregulatorresistorcapacitorinductor
No license0 stars0 commentsSep 22, 2026
sensor-hub
@aifryz

No description.

schematicpcbbomSTM32batteryswitchregulator
MIT0 stars0 commentsSep 22, 2026
picoclock
@locked

RP2040 based Alarm Clock

schematicpcbbomESP32RP2350USB-Cbattery
No license0 stars0 commentsSep 17, 2026
sowesta
@wir-mo

Solar powered Weather Station using an ESP32-C3

schematicpcbbomESP32RISC-VUSB-Cbattery
No license6 stars0 commentsSep 17, 2026
hardware
@plantalytix

Plantalytix Hardware Repository

schematicpcbbomESP32regulatorcrystalrelay
No license2 stars0 commentsSep 17, 2026
aeroq
@enriqueneyra

An Indoor Air Quality Monitor Powered by ESP32, SCD40, and SEN54

schematicpcbbomESP32RISC-Vregulatorresistor
CC-BY-NC-SA-4.0123 stars0 commentsSep 17, 2026
minico2
@nup002

A miniature USB CO2 sensor

schematicpcbbomESP32RISC-VUSB-Cswitch
No license39 stars0 commentsSep 17, 2026
co2_usb_033
@bitbank2

A portable CO2 monitor based on the CH32X033 MCU

schematicpcbbomUSBbatteryswitchregulator
Apache-2.06 stars0 commentsSep 17, 2026
hydroponic-sensor-pcb
@aidanp5

A custom PCB designed for managing a smart hydroponic system. It will definitly need some modification as my use case is so specifc. It integrates components needed to automate water and nutrient delivery using peristaltic pumps and sensor feedback. I...

schematicpcbbomUSBswitchregulatorresistor
No license0 stars0 commentsSep 17, 2026
sensorstick
@mayniklas

a compact PCB designed to integrate a CO2 sensor into a USB stick form factor

schematicpcbbomESP32RISC-VUSBcapacitor
No license2 stars0 commentsSep 17, 2026

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