2024 STEM Catalog

Super LED Chaser Soldering Kit CHANEY

Blinker LED Flasher CHANEY

Kit features 3 crystal clear special LEDs which create brilliant flashes of orange-red light. Light output of this flasher kit can even be seen in direct sunlight. Flash rate is adjustable with the built-in trimmer poten�ometer. Beginner skill level. FOR AGES 13+. Includes parts, PC board and instruc�ons. Requires 9V battery, sold separately.

Here is an exci�ng visual display! 3 groups of 2 LEDs light up sequen�ally to provide a red display. Kit uses 6 jumbo LEDs and 3 transistors. Kit requires

soldering of components to the PC board while building with red LEDs. Intermediate skill level. Soldering experience required. FOR AGES 13+. Includes (each kit) parts, PC board and instruc�ons. Requires 9V battery, sold separately. 300965 - 1 Kit 301012 - 25 Kits

300985 - 1 Qty 301006 - 25 Qty

Secret Alarm 300920 CHANEY

Ba�ery Tester Solder Kit CHANEY 300905

This is the perfect device to scare off someone who opens your desk, dresser, file cabinet, lunch box, etc. Uses sensi�ve CDS and SCR

Simple to use and tests all types of common ba�eries. LED lights indicate whether ba�ery is good or bad. 5 calibra�on trim pots allow you to set up your tester to test any 5 different type ba�eries. Beginner skill level kit. FOR AGES 13+. Includes parts, PC board and instruc�ons. Requires 9V battery, sold separately.

circuit to respond to light. As long as it is kept in the dark it is quiet, but when light hits the sensor, watch out! Beginner skill level kit. FOR AGES 13+. Includes parts, PC board and instruc�ons. Requires 9V battery, sold separately.

Fireworks Kit 300919 CHANEY With this exci�ng kit, students will use 17 micro red LEDs, 7 green mini LEDs and 1 jumbo red LED to create an electronic exploding firework display. A 2 transistor mul�vibrator alternates between the rings of LEDs, causing a sky rocket-type firework display. FOR AGES 13+.

Power Supply Solder Kit 300950 CHANEY Ideal for powering breadboard experiments, small tape recorders, radios, amplifiers, calculators and various electronic projects. Kit

features a transformer, circuit protec�ng fuse, power transistor, full-wave rec�fica�on, two radial electroly�c capacitors, LED power indicator, on/off switch, a poten�ometer and more. Includes parts, PC board and instruc�ons. Super Siren Solder Kit CHANEY 300925 When you need a real irrita�ng siren, you need the Super Siren Kit. It features one special IC containing 3 separate transistors and a high gain power amp. The siren sound is pulsa�ng and features 2 separate sound adjustments. This kit requires soldering of components to the PC board. Intermediate skill level. Includes parts, PC board and instruc�ons. Requires 9V battery, sold separately.

Includes parts, PC board and instruc�ons. Requires 9V battery, sold separately.

Solar Camping Light CHANEY 300980 Kit features a small slide switch so you can illuminate your immediate camp surroundings when switched to the "full power" posi�on (4 ultrabright LEDs having approx. 2 hrs. of

illumina�on). Or you may choose to relax in your tent with the "nightlight" posi�on (1 warm white LED offers all night illumina�on). Light is housed in the bo�om of a recycled 2 li�er soda bo�le and hung by an "L" bracket. Beginner skill level. FOR AGES 13+. Includes PC board, solar panel, rechargeable NiMH ba�ery, LEDs and parts. 2 liter soda bo�le not included.

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