SIM7080G NB-IoT / Cat-M(eMTC) / GNSS HAT for Raspberry Pi, Globally ApplicableSIM7080G NB IoT Cat M(eMTC) GNSS HAT for Raspberry Pi, Globally Applicable SIM7080G HAT is a telecommunication HAT which features multi communication functionalities: NB IoT (NarrowBand Internet of Things), Cat M (aka eMTC, enhanced Machine Type Communication), and GNSS (Global Navigation Satellite System). With the developing of telecommunication technology LTE, 2G 3G networks are fading away, the future world would be dominated by IoT technologies

pH Circuit Readings are temperature dependent or temperature independent and can be in single or continuous reading modes

Seeed Studio Grove - Moisture Sensor

plug and play

Level 4 anti-static

coal gas gas leakage detector  Color Sensor detects static color sorting by color

Number of ports: 8(optical isolation)

Preamplifier – Is implemented through three operational amplifiers configured as instrumentation amplifier (IA – amplifies the voltage difference between “+” and “-“ electrode) which at its output provides single-end signal

The MB7363 weather-resistant HRXL-MaxSonar-WR is a rugged

EZO™ ORP Circuit - Atlas Scientific

A maximum range of 10 meters (394 inches)

AC Din Railway Kit Din Railway Kit

You can separately adjust the backlight and the character contrast of each LCD module