Items 1 to 36 of 99 total

Grid List

VELLEMAN Earth Listener Wooden Enclosure, VM211

measures the environmental values eCO2, TVOC, barometric pressure, temperature and humidity values detects lightning or electronic discharge that are up to 40 km away shows values on a 2.8-inch color touch screen implemented logging function on SD card (SD not included) special designed hardware with pre-programmed software for a plug-and-play, ready-to-use experience open source and fully Arduino based, easy to expand and modify stylish wooden enclosure (VM211) or special edition see-through plexi case (VM211SE) development board: microcontroller: ATmega2560 operating voltage: 5 VDC (USB) - power supply not included, 2m USB cable included free pins after build: 30 digital / 5 analog touch screen: TFT resolution: 320 x 240 TFT colour depth: 262 000 colour CCS811 sensor: Total Volatile Organic Compound (TVOC) sensing from 0 to 1,187 parts per billion eCO2 sensing from 400 to 8,192 parts per million I2C compatible interface BME280 sensor: temp range: -40°C to 85°C humidity range: 0-100% RH, =-3% from 20-80% pressure range: 30,000 Pa to 110,000 Pa, relative accuracy of 12 Pa, absolute accuracy of 100 Pa altitude range: 0 to 9.2 km (30.000 feet), relative accuracy of 1 m (3.3 feet) at sea level, 2 m (6.6) at 9,2 km (30.000 feet) I2C compatible interface dimensions (when assembled): length: 135 mm (5,31 inch) width: 41 mm (1,61 inch) height: 84 mm (3,31 inch) weight: 215 g enclosure material: laser cut wood (VM211) plexi enclosure (VM211SE) AS3935 sensor: distance estimation to the head of the storm from overhead to 40km in 15 steps detects both cloud-to-ground and cloud-to-cloud flashes SPI and I2C compatible interface The Earth Listener needs a burn-in time of 48 hours and at least 20 minutes of logging before the eCO² and TVOC values are stable. This experimental kit is for indicative purposes only. Values should be interpreted while considering the environmental situation. Keep your living space well ventilated.

VELLEMAN Pulse Width Modulator Kit, K8004

power supply: 8 to 35VDC maximum output current: 6.5A input voltage: between 2.5 and 35VDC dimensions: 85 x 48 x 45mm / 3.4 x 1.9 x 1.8"

VELLEMAN Water Alarm Electronic Kit, MK108

Electronic Kit...Soldering Required Power supply: 9V battery (not included) Dimensions: 1.8 x 2.8"

VELLEMAN 3 Channel Sound to Light Kit with built-in Mic, K8017

operating voltages: 110-125 or 220-240V AC (50/60Hz) max. load: 200W per channel (100W @ 110-125V AC) only suited for incandescent light bulbs dimensions: 6.1 x 1.8 x 6.3"

ELENCO Auto-Scan FM Radio Kit, FM-88K

The Two IC FM Radio Kit is a monophonic, two-IC, FM (frequency modulation) receiver designed to receive FM signals in the frequency range (88-108MHz) It uses electronic auto-scan to search for FM stations Soldering required. For ages 13 and up. Batteries: 1-9V not included

ELENCO Deluxe Learn to Solder Kit, SK-175

This kit contains: SL-75 Variable temperature station with conical tip SL-75T2 Wedge tip SP-1A Solder practice kit ST-1 Side cutters SE-1 Solder ease kit All packed together in a handy box with handle for carrying SOLDERING REQUIRED!

OSEPP Hourglass DIY Solder Kit, DIY-001

Learn to solder with easy-to-follow instructions! Ideal for hobbyists and education institutes. Each kit comes with easy-to-follow pictorial instructions and a 'how to solder and desolder' guide. 42 LEDs (extras included) Sound Indicator Push-button time selection Rotate to reset (tiltsensor) 2xAAA battery power (not Incl.) Microprocessor technology On/Off switch

ELENCO Learn to Solder Kit with Soldering Iron & Cutters, AK-100

This kit also includes a soldering iron and wire cutters This kit requires soldering

ELENCO Surface Mount Practice Solder Kit, SM-200K

Learn how to solder surface mount components Instruction manual included

ELENCO Logic Pulser Kit, LP-425K

Solder your own logic pulser Instruction manual included

SPARKFUN Learn to Solder - Simon Says DIY Kit, KIT-13708

Simon Says PTH Kit SparkFun Safety Glasses Beginning Soldering Handbook Lead Free Solder - 15g Tube Soldering Iron Stand w/ Sponge Diagonal Cutters 30W Soldering Iron #2 Solder Wick - 5ft.

ELENCO LED Robot Blinker Kit, K-17

With the LED Robot Blinker; you will learn about free-running oscillators. You'll have fun building; displaying and learning about the LED Robot Blinker. This kit requires soldering

Star Simpson's Circuit Classics - Dual LED Flasher Kit, AF3461

Includes the circuit itself, the circuit’s schematic, and a description of the circuit, all in Forrest’s iconic hand-drawn style, traced directly from his books. (Prototypes are OSHPark purple, but the final production run will be blue.) Great gift for a first-time learner, an expert tinkerer, or even just as a fun conversation piece for your desk.

Star Simpson's Circuit Classics Bargraph Voltage Indicator, AF3460

This circuit lets you become a scientist and an engineer and marks the passage of that important milestone of using tools you have constructed yourself. You can measure batteries or use it to explore and understand other electronic circuits that you find in the world. They make a great gift for a first-time learner, an expert tinkerer, or even just as a fun conversation piece for your desk.

OSEPP Bug Lovers DIY Solder Kit, DIY-201

Kit includes 2 seperate bug projects! Light activated nightlight On/Off switch Adjustable sensitivity 33 Solder points 2xAAA battery power (not incl.)

OSEPP Spinning Wheel DIY Solder Kit, DIY-006

Learn to solder with easy-to-follow instructions! Ideal for hobbyists and education institutes. Each kit comes with easy-to-follow pictorial instructions and a 'how to solder and desolder' guide. 24 LEDs (extras included) Spinning sound 1 to 12 LED spin selection Push button operation 2xAAA battery power (not Incl.) Microprocessor technology Auto power off in 2 min

OSEPP Holiday Ornaments DIY Solder Kit, DIY-200

A novice level DIY Solder kit that includes 3 different holiday ornaments with multicolor cyclying RGB lights! Each kit comes with easy-to-follow pictorial instructions and a 'how to solder and desolder' guide Includes 3 different ornaments - Snowflake, Tree, & Bell! Level of difficulty - Novice Includes multicolor cycling RGBs ON/OFF Switch Powered by CR1220 coin battery (not included)

OSEPP Thermometer and Humidity DIY Solder Kit, DIY-008

21 x LED Temperature Indicator Temperature Range: 0°C/32°F to 40°C/104°F 5x LED Humidity Indicator Humidity Range: 20% to 100% DHT11 Humidity Sensor Microprocessor Technology Front image to come. 91 Solder Points

ELENCO Rivet-Rex 12 Teach Tech Kit, TTG-618

Your Rivet-Rex 12 kit contains unique components & parts to construct hydro-mechanical robots that operate like animals Construct 12 different hydro-mechanical solar powered robots that mimic animal movement After assembling a model, the user can easily reassembly components into a different model These robots are powered by direct sunlight. NO BATTERIES REQUIRED

ELENCO Solar MIni-Racer Teach Tech Kit, TTG-681

Build a Solar Mini-Racer - It's a mini vehicle with a simple yet dynamic design run by the power of the sun Learn how you convert sunlight into mechanical energy and fun in this build-it-yourself kit Assembly instructions are straightforward with clear illustrations that make it an easy job NO BATTERIES NEEDED Best suited for young engineers age 8+.

ELENCO Robotic Arm WC Teach Tech Kit, TTR-535

Lifting capacity: 100 g (3.5 oz) Horizontal reach 320 mm Vertical reach 380 mm Base rotation range 270 ° Base motion range 180 ° Elbow range 300 ° Wrist motion range 120 ° 4 D batteries required but not included. For engineers 12 and up.

ELENCO Motobot.4 Teach Tech Kit, TTR-891

MotoBOT.4 requires 1 AA battery, a Phillips head screwdriver and some diagonal cutters (not included). For ages 8 and up. 

ELENCO King Lizard Robot Teach Tech Kit, TTR-892

King Lizard Robot is modeled after Australian Frilled Lizards The King Lizard Robot functions with two AI modes, "Chase" and "Escape" Best suited for young builders age 10+ Requires 4 "AAA" batteries (not included)