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safe and reliable with low power consumption
MQ-8 hydrogen gas sensor of high sensitivity
As a characteristic of the DC-DC power supply module
Connect to it with any microcontroller over SPI and read out the resistance ratio from the internal ADC
Arduino Lilypad Atmega32u4 5v supply safe and reliable with lowThe LilyPad For Arduino USB is a microcontroller board based on the ATmega32u4. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a battery to get started. The LilyPad For Arduino USB differs from previous LilyPad boards in that the ATmega32u4 has built in USB communication, eliminating the need for a separate USB to serial adapter. This allows the LilyPad For Arduino USB to
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