Best Projects Unlimited 12vdc Programmable Buzzers

Dahszhi DIP Switch Assorted Double Row 8 Pin 4 Positions 2.54mm Pitch - 20pcs

  • Each Size:12 x 10 x 11 mm / 0.47" x 0.4" x 0.43" (L*W*H).
  • Contact resistance:50mΩ 24VDC/100mA (at initial).
  • Widely used in circuit boards, breadboards and all pcb projects, perfect as a toggle or on off switch for your projects..
Check Stock

IEI International Electronics 2000E E style keypad

  • Key press feedback via sounder and yellow LED.
  • # Built-in assignable sounder# Bi-color Red/Green LED indicates relay status# Indoor/Outdoor Use# Keypad Programmable# UL 294 Access Control listed - (242 & SSW only)# 12-24 VDC/VAC - Auto voltage sensing (AVS)# Dimensions: 4.50” x 2.75” x 0.60.
Check Stock

Circuit Scribe Maker Kit: Conductive Rollerball Pen

  • ...modules, 1x SPST switch module, a 9V battery module with battery, 1x NPN transistor, a pot, and a dimmer..
  • THE PERFECT GIFT - The perfect gift for young scientists, engineers, makers, inventors and artists. Circuit Scribe is an educational STEM toy and science kit perfect for home or the classroom. Create functional projects, imaginative pieces of art, all while learning!.
  • OUT OF THE BOX FUN - Learn by doing and drawing! No soldering, no tools, and no experience necessary. With easy to follow instructions, and guided experiments, projects are limited only to your imagination!.
  • CIRCUIT SCRIBE CONFIDENCE - Designed by a team of Ph.D. graduates from UIUC & Harvard, and funded by over 12,000 Kickstarter backers, Circuit Scribe was named Creative Child Magazine’s “Product of the Year." It is a proven learning and educational toy for kids 8+, but also a perfect gift for all ages!.
Check Stock

OutBack Power FM60-150VDC FLEXMax 60 Charge Controller

  • Increases PV Solar Array Output to battery bank by up to 30%..
  • Designed for charging from your solar array to battery banks with nominal design voltages from 12 to 60 VDC.
  • Fully Programmable and Built-in 128 Days of Data Logging..
  • Ready for Summer temps with Full Power Output in Ambient Temperature up to 104°F (40°C).
  • Highest quality MPPT controller for maximizing your solar system performance..
Check Stock

Seco-Larm Enforcer Access Control Keypad with Proximity Reader, Backlit (SK-1131-SPQ)

  • Available programmable access modes for all 3 outputs: card only, code only, card and common user code, card and unique user code. 1,200 Users over 3 Outputs. Codes may be 4~8 digits: - Output #1 Form C relay, 1A@30VDC, 1,000 users - Output #2 F.
  • Durable and attractive stainless steel faceplate.
  • Programmable lock out or duress output after 5~10 unsuccessful attempts to key in a code.
  • Illuminated keypad with programmable status LEDs..
Check Stock

Retekess T113 Restaurant Pager System,Pagers for Restaurants,IP32 Waterproof Buzzer,Max 98 Beepers,16 Pagers,Restaurant Buzzer for Church,Bar,Clinic,Hospital

  • Retekess T113 restaurant buzzer system used for remind customer to get their food and no longer to looking for customers.
  • Each restaurant buzzer has built-in rechargeable lithium battery and the restaurant waiting buzzers can work about 12 hours.
  • Working distance is about 500m or 1640ft at open area.
  • Each mode is accompanied by the LED flashing.
  • The restaurant pager system can call up to 98 restaurant buzzers.
Check Stock

uxcell a11123000ux0292 10 Piece 2.54 mm Pitch 10 Position Slide Type DIP Switch Red

  • Contact resistance : 50mA 24VDC/100mA (at initial).
  • 100mA typical, 24VDC/100mA (after life test) : 100mA typical, 24VDC/100mA (after life test).
  • Total Size : 2.7 x 1 x 1.1cm / 1" x 0.4" x 0.43"(L * W * H).
  • Made with plastic and brass pin, Good conductivity, corrosion resistance, strong and durable.
  • Widely used in circuit boards, breadboards and all pcb projects, perfect as a toggle or on off switch for your projects..
Check Stock

Standard Horizon HX210 HX210 6W Compact Floating Marine Handheld VHF

  • Compact Case Design. Water Activated Emergency Strobe light. Oversized full dot matrix display. E20 Easy to Operate Menu System.
  • 3-year Waterproof Warranty. Floating / Submersible IPX7 Waterproof rating (3.3 feet or 1 meter for 30 minutes). Built in FM Broadcast band receive.
  • All USA, International and Canadian channels. Selectable 6W / 2.5W / 1W output power. Receive WX and FM radio bands 76MHz to 108MHz.
  • High resolution dot matrix LCD display. Programmable function keys. Speaker mic Jack..
  • High capacity 1850 mAh Li-Ion battery. 3 hour desktop rapid charger. 12VDC and 110VAC charging cables and charging cradle included..
Check Stock

Seco-Larm SK-1011-SDQ ENFORCER Access Control Keypad, Up to 1,000 possible user codes (4-8 digits), Output can be programmed to activate for up to 99,999 seconds (nearly 28 hours)

  • Up to 1,000 possible user codes (4-8 digits), Output can be programmed to activate for up to 99,999 seconds (nearly 28 hours).
  • Up to 50 (01~50) possible temporary visitor codes, which can be programmed for onetime or limited-time use (1~99 hours).
  • Durable and attractive stainless-steel faceplate, Programmable delayed egress input lets users exit the premises without keying in the code.
  • EEPROM Memory protects programmed information in case of power loss, 12~24 VDC/VAC Auto-adjusting operation.
  • Mounts to a standard single-gang back box (surface-mount back box included), Programmable wrong-code lockout, Real-time clock to auto-disable access at specific times.
Check Stock