it only breaks out eight total GPIO pins
It also has 2 KB of SRAM and 1 KB of EEPROM (which can be read and written with the EEPROM library )
The OpenLog draws approximately 2-3mA in idle (nothing to record) mode
You can connect it with jumper wire directly
The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm
Digital Temperature & Humidity Sensor (With Stainless Steel Probe) Resistors it only breaks out eightThis is an anti rust, robust and precise SHT30 Temperature & Humidity sensor , which can master enterprise class and industrial level applications. It can be applied in various fields: telepoint base stations, electronic control cabinet, production site, storehouse, machine rooms, greenhouses, animal farming, medicine stock and etc. Metallic package enables it to deal with the very dusty or other severe circumstance. the wall hanging style makes it