Some of the smallest boards I’ve designed

Some of the smallest PCBs I’ve designed, these Gas Sensor boards are just 35 mm by 22 mm (1.38 inches x 0.88 inches) in size.

The board below is a four layer board using metric 1608 (inch 0603) SMT passives.

P5483B_toxic_imodule_2

Toxic Gas Sensor PCB

The board below is a six layer board using metric 1005 (inch 0402) SMT passives.

Dual Toxic Gas Sensor PCB

Dual Toxic Gas Sensor PCB

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