New Bluetooth Module Slave Wireless Serial Board Module with PCB for Arduino Description: 1) Wireless serial bluetooth port. 2) With free power adapter bottom board come with well power regulator. User can connect 3.3 to 5VDC and connect TX and RX to your control IO (general 3.3 to 5V digital input output of MCU or arduino IO is ok, or general TLL IO) 3) Easy to connect this module with PC, just search and key "1234" passcode.
MRA05 - Arduino based W5200 Ethernet Set is a combination set of DFRduino UNO R3 and W5200 Ethernet shield. Using this development set, user can create Internet application very easily via Arduino IDE. Furthermore, with FREE USB cable and Ethernet cable, user can start to build the application with a laptop or desktop.
Vintage Solid Aluminum Dual-Stacked Knob Set Pulled from vintage equipment, this concentric knob set is made of solid aluminum. Knurled edges with separate red indicator lines. Lower knob is 1" in diameter x 0.50" tall, hole for 1/4" shaft.
Dwyer A3304 Pressure switch/gage, range 2-0-2" w.c. Service: Air and non-combustible, compatible gases. Accuracy: +/-2% of full scale at 70Deg F (21.1Deg C).
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