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3V Output high signal easy to attain docking with the various sorts of circuits
4GHz spectrum wireless protocol
The Solenoid JF-0530B Push Pull Open Frame Mini Valve Electromagnet is a practical solenoid valve from Circuitrocks for students
You also get tons of pins - 20 GPIO pins
Product Best for Quick notes USB Micro Cable with Switch ON/OFF button switched USB power Cable and insulation accessory Cable Tie Nylon 4 x 200mm 50PCS cable management Material: Nylon
Photo Cell CdS Photoresistor 10pcs - LDR Pack starter kit v3 3V Output high signal easyCdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about 5 10K, when dark it goes up to 200K. To use, connect one side of the photo cell (either one, its symmetric) to power (for example 5V) and the other side to your microcontroller's analog input pin. Then connect a 10K pull down resistor from that analog pin to ground. The voltage on the pin will be 2. 5V or
US$ 708.24
US$ 77.00
