J-FET IN DUAL OP AMP

J-FET IN DUAL OP AMP

KEYCHAIN REMOTE CONTROL, 12VDC 15 AMP

KEYCHAIN REMOTE CONTROL, 12VDC 15 AMP

15Control 12 Vdc devices using keychain on/off remote switch. Ideal for automotive applications, but can also be adapted to home use with the addition of a 12 Volt relay. Black-box...

KEYCHAIN REMOTE CONTROL, 12VDC 15 AMP

KEYCHAIN REMOTE CONTROL, 12VDC 15 AMP

Control 12 Vdc devices using keychain on/off remote switch. Ideal for automotive applications, but can also be adapted to home use with the addition of a 12 Volt relay. Black-box...

KH P.C. STYLE 14 PIN RELAY SOCKET

KH P.C. STYLE 14 PIN RELAY SOCKET

PC pins for PC board mount.

LASER DIGITAL TACHOMETER

LASER DIGITAL TACHOMETER

This non-contact tachometer detects light reflected off an object and reads out RPM value. Micro computer technology with laser beam gives accurate and fast, once per second, readings. Stores and...

LASER DIODE MODULE, 650NM 4MW 3VDC

LASER DIODE MODULE, 650NM 4MW 3VDC

3.5mW red, 650nm laser diode module. Designed for installation into an OEM product, they are functioning units with a bare, exposed PC board, 6" leads terminated with a 2-contact female...

LED CHASER KIT

LED CHASER KIT

Build this variable speed led chaser. 10 leds flash sequentially at whatever speed you set them for. Easy to build kit includes pc board, parts and instructions. Ideal for special...

LED FLASHING KIT

LED FLASHING KIT

Two L.E.D.'s flash in unison when a 9 volt battery is attached. This kit includes a p.c. board, all the parts and instructions to make a simple flasher circuit. A...

LED TESTER

LED TESTER

Handy device for testing LEDs (2-150mA). Simply plug your LED into the correct holes and push the button to test its brightness, illuminant color, etc. The top row is for...

LIGHT-ACTUATED RELAY MODULE, 12 VDC

LIGHT-ACTUATED RELAY MODULE, 12 VDC

Photo-resistor controlled relay module. S.P.D.T. relay switches when light is sufficiently low or high. Cadmium Sulfide (CdS) photo-resistor sensor determines when a relay switches. Sensitivity adjustment potentiometer. Screw-clamp terminals for...

LITHIUM BATTERY CHARGING MODULE

LITHIUM BATTERY CHARGING MODULE

TC4056A charger for up to 1A Lithium Ion rechargeable battery. Input: 4.5-5.5Vdc. Suitable for USB-powered charger. Micro-USB input jack. 1.05" x 0.57".  down load PDF file here

LITHIUM BATTERY CR123A

LITHIUM BATTERY CR123A

High-energy Reliant Lithium Battery. 3V, 1300 mAh. Long-life power source used in high-performance flashlights, cameras and digital electronics. 1.34" long x 0.65" diameter. Replaces: Energizer EL123APB2, Duracell DL202, Panasonic CR123A,...