how to build a buzzer

... system number calling system with LED Display As the owner of a restaurant or coffee shop or any other kind of service area, Are you still c...

... Control RFID Reader For Description Flap Barrier RS 488-1 housing case is made of 2.0mm thinckness 304 or 316 stainless steel.Flap Barre...

Product Description: Speed Gate Turnstile The Speed Gate Turnstile is a state-of-the-art, computerized access control system designed to provide high ...

... blocks Learning parts Product Description Kit list: 1.Uno r3 board * 1 2.Usb cable * 1 3.Box * 1 4.3PIN sensor wire * 10 5.Pin * 1 6.Piran...

... 10* 3.2 mm External Drive Sound Pressure Level 75dB For Voice Devices Introduction: As a professional electronic components manufacturer, we...

UNO R3 Breadboard LED light sensor 380g Basic starter kit for Arduino Description: This kit walks you through the basics in a hands-on way. You'll lea...

Audio Video Doorbell Voice Only Intercom System For Apartment Handset Design With Unlock Button ABS Plastic Indoor phone for the high and multi-storey...

.... * USB, -in LED and * Free programming software * Support locking and unlocking ID number of microchip, (It can unlock only with the s...

...) or Mifare Card Operation Temperature: -10 C-70 C Operation Humidity: 10%-90% Programming. *Press Key # four times, the make long sound BI,...

..., low water level protection, anti dry burning, Sterilization end reminder, automatic stop, Automatic discharge of cold air, automatic exhau...

....This one is a hardwired tracker with BLE for tracking powered assets and vehicles, with ignition detection and output for relay//siren. Func...

... Gate Bi Direction For Office Description Flap Barriers RS 488-1 housing shell is made of 1.5-2.0mm thinckness 316 stainless steel.Flap T...

Finger Print Reader Flap Barrier Tourniquets Electrical Manual Operate Subway Turnstile Electromagnet Description Flap Barriers RS 788-1 hous...

... Turnstile RS 988 is consist of battery,mechanism,electric circuit,dc brushless motor,wings,sensors,led lamp, and so on.Flap Door RS 988 Also...

University DC Motor Swing Gate Turnstiles Anti-panic Event Ticket Wing Barriers Entry System Swing Barrier RS 616 cosist of swing barriers,electric ci...

Stainless Steel Flap Barrier Turnstile RS485 TCP/IP Interface For Safety Control Description Flap Turnstile RS 288-1 full body is made of 1.5mm(standa...

As the owner of a restaurant or coffee shop or any other kind of service area, Are you still concerned about the high labor cost? Are you still worrie...

As the owner of a restaurant or coffee shop or any other kind of service area, Are you still concerned about the high labor cost? Are you still worrie...

... 10* 3.2 mm External Drive Sound Pressure Level 75dB For Voice Devices Introduction: As a professional electronic components manufacturer, we...

UNO R3 Breadboard LED light sensor 380g Basic starter kit for Arduino Description: This kit walks you through the basics in a hands-on way. You'll lea...