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The TTGO T-Call combines an ESP32 development board and a SIM800L GSM/GPRS module
Piezo Electric Sensor /Buzzer/Transducer-27mm
This 3V 2000RPM High Speed DC Toy Motor can be used in a variety of DIY projects or small toys
Hardware Diagram of Industrial Modbus RTU 8-ch Relay Module
DRAGINO LORA BEE V1.1 + HOPERF RFM95-98(W) Novel The TTGO T-Call combines anDRAGINO LORA BEE V1. 1 + HOPERF RFM95 98(W) The Dragino Lora BEE is a LoRa module that allows the user to send data and provides ultra long range spread spectrum communication and high interference immunity whilst minimizing current consumption. The LoRa BEE targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. The RFM95 96W transceivers
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