5pcs Stepper motor and driver board compatible with 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi. | Stepper motor with a standard interface. A, B, C, D four-phase LED indicates the status of the stepper motor work. | Motor diameter: 1.1 inches.Wire length：9.05 inchs. Stepping angle: 5.625 x 1/64.Reduction ratio: 1/6.Drive Module Board Size:1.26 inchsX1.38inchs. Cable length: about 20cm /8-inch. | Great packing in a box : 5 set Uln2003 Stepper Motor + Driver Board. | Good after-sales service.

High Sensitivity: High Sensitivity for improved detection of small targets, it can work indoors, outdoors, on sand, lawn or in soil, locate coin, silver, jewelry and gold with speed and accuracy. | One-touch operation: Quick button press instantly tunes out environment or narrows detection field for precise pinpointing of larger targets. | Detection Methods: Audio Alerts and Vibration Alerts. Audi

Application: (Our 7 inch touch screen : B071X8H5FB) This Acrylic Protective Case Bracket Suitable for raspberry pi 7 inch TFT touch screen, the screen size can be 164. 9(w)X100. 0(H)x5. 7(D)mm. | Assemble: we have attached the 7 in screen Case assembling instruction in QA, please refer to it If you need. Or you could let us know, we will send to you. | Material: This RPI Case Holder is made with Black acrylic. Screen, Raspberry pi and cable are not included, case only. | Saves space: Raspberry Pi board can be installed on the back. | Kindly Note: there is a film in each Case component, please remove it before assembling it.

The kit has more than 30 projects. With the latest version UNO R3. | This is the new RFID Starter Kit, developed specially for those who are interested in arduino. | Upgrade RFID start kits with remote controller, LCD panel. | HIGH QUALITY components product. Including RFID-RC522 Module (RFID reader) + RFID Proximity ID Round Tag + RFID Proximity ID Card Tag. Kits came with quality nice plastic box. | Detailed tutorials including project introduction and source code will come with the kit FOR FREE,contact us to send documents by email.