TVOC Gas Sensor
Apex-Ottawa-Team·hardware·Gas Sensor/Gas Sensor.kicad_pcb
About the TVOC Gas Sensor PCB
TVOC Gas Sensor is an open source PCB design by Apex-Ottawa-Team, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 22.5 × 14 mm, with 10 components from 8 distinct parts.
Other key parts include the SGP40-D-R4. By type, the board carries 4 resistors, 3 capacitors, 1 IC, 1 connector and 1 diode.
It belongs with the sensors designs in this gallery.
From the project
All the PCBs and CAD files for our Apex weather balloon module
This repository contains the hardware design files for Ottawa Skybound's weather ballon for Apex. The repository contains of multiple PCB modules designed in KiCad. The system includes a motherboard, wireless communication module, and various sensor interfaces.
LoRa Module: Wireless communication module using LoRa technology. Designed by Adam Turaj
Motherboard: Main control board for the Apex system. Designed by Adam Turaj

Main components on the TVOC Gas Sensor
TVOC Gas Sensor bill of materials (BOM)
10 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SGP40-D-R4 | XCDR_SGP40-D-R4 | U3 |
| 1 | B4B-XH-A Conn_Sensors | JST_EH_B4B-EH-A_1x04_P2.50mm_Vertical | J1 |
| 1 | RC0603FR-075K1L LED | LED_0603_1608Metric | D3 |
| 1 | CL05A106MQ5NUNC 10uF | C_0402_1005Metric | C1 |
| 2 | CL05B104KP5NNNC 0.1uF | C_0402_1005Metric | C5, C6 |
| 2 | RC0402JR-0710KL 10k | R_0402_1005Metric | R2, R6 |
| 1 | CR0402-J/-4R7GLF 4.7 | R_0402_1005Metric | R7 |
| 1 | RC1206JR-10220RL 220 | R_1206_3216Metric | R10 |
TVOC Gas Sensor design files
The KiCad project lives in the Apex-Ottawa-Team/hardware repository on GitHub; these links point at the commit this page was built from.
TVOC Gas Sensor: common questions
How big is the TVOC Gas Sensor PCB?
The TVOC Gas Sensor measures 22.5 × 14 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TVOC Gas Sensor?
10 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the TVOC Gas Sensor design files?
From the Apex-Ottawa-Team/hardware repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the TVOC Gas Sensor design in my own project?
Yes, under the terms of its GPL-3.0 license, which Apex-Ottawa-Team chose for the repository.
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