US$ 80.00
the module includes an onboard potentiometer for threshold adjustment
Achieve ultra-long-range wireless communication with the Ai Thinker LoRa Ra-01 RF Transceiver Module
Professional Use - Industrial prototyping and production
Spring-Loaded Contacts: Nickel-plated springs ensure reliable electrical connection and easy cell insertion/removal
Door/window sensors
USB to TTL RS232 Module USB to Serial TIP122 Darlington NPN Transistor - (Pack of 5) the module includes an onboardUSB to TTL RS232 Module USB to Serial
US$ 80.00
US$ 74.95
US$ 53.00
US$ 66.00
US$ 24.00
US$ 21.95