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of how the circuit works can be found on the rear side the neon lamp dice comes as a kit of easy to solder through hole parts the power supply is a 9 v battery not included features warm vintage glow elektor heritage circuit symbols tried tested by elektor labs educational geeky project through hole parts only included printed circuit board all components wooden stand required 9 v battery component list resistors tht 150 v 0 25 w r1 r2 r3 r4 r5 r6 r14 1 mω r7 r8 r9 r10 r11 r12 18 kω r13 r15 r16 r17 r18 r21 r23 r24 r25 r26 r28 r30 r33 100 kω r32 r34 1 2 kω r19 r20 r22 r27 r29 4 7 kω r31 1 ω capacitors c1 c2 c3 c4 c5 c6 470 nf 50 v 5 mm pitch c7 c9 c11 c12 1 µf 16 v 2 mm pitch c8 470 pf 50 v 5 mm pitch c10 1 µf 250 v 2 5 mm pitch inductors l1 470 µh semiconductors d1 d2 d3 d4 d5 d6 d7 1n4148 d8 stps1150 ic1 ne555 ic2 74hc374 ic3 mc34063 ic4 78l05 t1 t2 t3 t4 t5 mpsa42 t6 stq2ln60k3 ap miscellaneous k1 pp3 9 v battery holder ne1 ne2 ne3 ne4 ne5 ne6 ne7 ne8 ne9 ne10 ne11 ne12 ne13 neon light s2 miniature slide switch s1 pushbutton 12 x 12 mm read out of stock 39 95 members 35 96 out of stock quantity add to cart elektor labs elektor milliohmmeter adapter 1 review the elektor milliohmmeter adapter uses the precision of a multimeter to measure very low resistance values it is an adapter that converts a resistance into a voltage that can be measured with a standard multimeter the elektor milliohmmeter adapter can measure resistances below 1 mω using a 4 wire kelvin method it is useful for locating short circuits on printed circuit boards pcb the adapter features three measurement ranges 1 mω 10 mω and 100 mω selectable via a slide switch it also includes onboard calibration resistors the elektor milliohmmeter adapter is powered by three 1 5 v aa batteries not included specifications measurement ranges 1 mω 10 mω 100 mω 0 1 power supply 3x 1 5 v aa batteries not included dimensions 103 x 66 x 18 mm compatible with hammond 1593n type enclosure not included special feature on board calibration resistors downloads documentation read 34 95 members 31 46 quantity add to cart out of stock generic arduino controlled drawing robot 2 reviews out of stock this versatile plotter robot arm diy kit for arduino is equipped with mg90s metal gear servo motors to ensure precise and stable drawing movements features fully compatible with arduino ide includes complete source code for easy development and customization equipped with robust mg90s metal gear servo motors for accuracy and durability includes a bluetooth module enabling wireless operation via a dedicated app specially designed robotic arm tip securely holds pens or markers with a diameter of 8 10 mm ideal for sketches and detailed drawings included arduino compatible nano motherboard nano expansion board bluetooth module mg90s all metal gear servo motors aluminum structural frame thickened stable base plate screw and fastening accessories connecting wires usb data cable read out of stock 64 95 members 58 46 out of stock 60 quantity add to cart elektor labs elektor one armed bandit 2 reviews pull down lever for highest score this elektor circuit classic from 1984 shows a playful application of cmos 400x series logic ics in combination with leds a highly popular combination at the time the project imitates a spinning digit type slot machine the game to play the game first agree on the number of rounds player 1 actuates the switch lever as long as desired and releases it the leds then show the score which is the sum of the 50 20 10 5 digits lit up if the play again led lights player 1 has another free round if not it s player 2 s turn the players keep tab of their scores and the highest score wins features leds indicate score multi player and play again elektor heritage circuit symbols tried tested by elektor labs educational geeky project through hole parts only included printed circuit board all components wooden stand bill of materials resistors 5 250 mw r1 r2 r3 r4 100kω r5 r6 r7 r8 r9 r10 1kω capacitors c1 4 7nf 10 50v 5mm c2 4 7μf 10 63v axial c3 c4 100nf 10 50v ceramic x7r 5mm semiconductors led1 led6 red 5mm t1 3 4 ic1 74hc4024 ic2 74hc132 miscellaneous s1 switch toggle 21mm lever spdt momentary s2 switch tactile 24v 50ma 6x6mm s3 switch slide spdt ic1 ic2 ic socket dip14 bt1 pcb mount cr2032 battery retainer clip desktop stand pcb 230098 1 not included bt1 cr2032 coin cell battery read 39 95 15 98 best price quantity add to cart out of stock makerfabs arduino uno experimenting kit no reviews out of stock with this kit you can built all the projects described in the book mastering the arduino uno r4 the kit comes with several leds sensors actuators and other components the purpose of the kit is to make a flying start with hardware and software aspects of projects designed around the arduino uno microcontroller system included 1x rfid reader module 1x ds1302 clock module 1x 5 v stepper motor 1x 2003 stepper motor drive board 5x green led 5x yellow led 5x red led 2x rocker switch 1x flame sensor 1x lm35 sensor module 1x infrared receiver 3x light dependent resistors ldrs 1x ir remote controller 1x breadboard 4x pushbutton with four caps 1x buzzer 1x piezo sounder 1x adjustable resistor potentiometer 1x 74hc595 shift register 1x 7 segment display 1x 4 digit 7 segment display 1x 8x8 dot matrix display 1x 1602 i²c lcd module 1x dht11 temperature and humidity module 1x relay module 1x sound module set of dupont cables set of breadboard cables 1x water sensor 1x ps2 joystick 5x 1 k ohm resistor 5x 10 k ohm resistor 5x 220 ohm resistor 1x 4x4 keypad module 1x 9g servo 25 cm 1x rfid card 1x rgb module 1x 9 v battery dc jack not included mastering the arduino uno r4 book arduino uno r3 r4 board read out of stock 39 95 members 35 96 out of stock 17 quantity add to cart elektor labs elektor wordy led christmas tree 5 reviews multilingual diy kit incl 27 rgb leds raspberry pi pico bring some engineering magic to your festive season with the wordy led christmas tree a unique diy electronics kit designed by elektor this beautifully engineered 3d christmas tree combines eleven pcbs a raspberry pi pico and 27 addressable rgb leds to illuminate christmas greetings in seven languages danish dutch english french german italian and spanish unlike ordinary led trees each word inside the tree has its own light chamber creating a refined softly glowing display without sound or flicker the leds are fully ws2812 compatible and driven via the popular adafruit neopixel library making custom animations and color effects easy to create perfect for makers tinkerers and festive electronics fans this kit offers both an enjoyable build and a striking conversation worthy decoration the wordy christmas tree is your perfect holiday maker project features multilingual greetings 7 languages milled into the front panel 3d construction from 11 interlocking pcbs powered by raspberry pi pico 27 individually addressable rgb leds pre mounted smooth fade in and fade out animations fully programmable using the arduino ide a 5 v power supply with micro usb connector capable of 1 a is recommended for maximum brightness not included dimensions h x w x d 130 x 115 x 75 mm included all required pcbs with leds and other smd parts mounted raspberry pi pico to be soldered programmed by the user 3 way pin header to be soldered by the user 3 way pin socket to be soldered by the user 4x self adhesive dome bumpers project page elektor labs read 59 95 49 95 best price quantity add to cart 18 quantity add to cart elektor labs elektor sand clock for raspberry pi pico incl laser head upgrade 1 review this bundle contains the popular elektor sand clock for raspberry pi pico and the new elektor laser head upgrade offering even more options for displaying the time not only can you engrave the current time in sand you can now alternatively write it on a glow in the dark foil or create green drawings contents of the bundle elektor sand clock for raspberry pi pico normal price 50 elektor laser head upgrade for sand clock normal price 35 elektor sand clock for raspberry pi raspberry pi based eye catcher a standard sand clock just shows how time passes in contrast this raspberry pi pico controlled sand clock shows the exact time by engraving the four digits for hour and minute into the layer of sand after an adjustable time the sand is flattened out by two vibration motors and everything begins all over again at the heart of the sand clock are two servo motors driving a writing pen through a pantograph mechanism a third servo motor lifts the pen up and down the sand container is equipped with two vibration motors to flatten the sand the electronic part of the sand clock consists of a raspberry pi pico and an rtc driver board with a real time clock plus driver circuits for the servo motors a detailed construction manual is available for downloading features dimensions 135 x 110 x 80 mm build time approx 1 5 to 2 hours included 3x precut acrylic sheets with all mechanical parts 3x mini servo motors 2x vibration motors 1x raspberry pi pico 1x rtc driver board with assembled parts nuts bolts spacers and wires for the assembly fine grained white sand elektor laser head upgrade for sand clock the new elektor laser head transforms the sand clock into a clock that writes the time on glow in the dark film instead of sand in addition to displaying the time it can also be used to create ephemeral drawings the 5 mw laser pointer with a wavelength of 405 nm produces bright green drawings on the glow in the dark film for best results use the kit in a dimly lit room warning never look directly into the laser beam the kit includes all the necessary components but soldering three wires is required note this kit is also compatible with the original arduino based sand clock from 2017 for more details see elektor magazine 1 2 2017 and elektor magazine 1 2 2018 read 84 95 69 95 best price quantity add to cart 29 quantity add to cart elektor labs elektor laser head upgrade for sand clock 2 reviews the elektor laser head transforms the elektor sand clock into a clock that writes the time on glow in the dark film instead of sand in addition to displaying the time it can also be used to create ephemeral drawings the 5 mw laser pointer with a wavelength of 405 nm produces bright green drawings on the glow in the dark film for best results use the kit in a dimly lit room warning never look directly into the laser beam the kit includes all the necessary components but soldering three wires is required note this kit is also compatible with the original arduino based sand clock from 2017 for more details see elektor magazine 1 2 2017 and elektor magazine 1 2 2018 read 34 95 24 95 best price quantity add to cart 19 quantity add to cart joy it joy pi advanced development platform incl raspberry pi 4 8 gb no reviews for a limited time the joy pi advanced is available in a great value bundle with a raspberry pi 4 8 gb the joy pi advanced is a compact and powerful device that allows you to realize your projects quickly and easily whether you already have a lot of experience or next to none the joy pi advanced lets you unleash your creativity thanks to its compatibility with a wide range of platforms including raspberry pi raspberry pi pico arduino nano bbc micro bit and nodemcu esp32 you can easily and quickly access your preferred platform in addition the joy pi advanced features more than 30 stations lessons and modules giving you an unlimited variety of ways to get your projects done with the self developed learning center you can not only improve your skills but also create new projects the learning center offers a wealth of information and tutorials that will guide you step by step through your projects joy pi advanced is characterized in particular by its intelligent switch units which allow an extended use of the available pins a total of three switch units are integrated each equipped with 12 individual switches that provide precise control of the connected sensors and modules this system solves the well known problem of limited pin count that occurs with conventional microcontrollers the switch units allow you to operate a large number of sensors and modules in parallel by switching them on and off individually this simulates multiple pin assignment allowing you to exploit the full power of your projects without compromising functionality by combining innovative adapter boards and the micro bit slot you can achieve seamless compatibility with a wide range of microcontrollers such as raspberry pi pico nodemcu esp32 micro mit and arduino nano the specially developed adapter boards are designed to perfectly match the respective microcontroller by plugging the microcontroller onto the appropriate adapter board and then plugging it into the micro bit slot the joy pi advanced quickly and easily becomes compatible with the different microcontrollers this allows seamless integration of your preferred platform and the ability to combine the strengths of the different microcontrollers in your projects this way you can fully focus on your creative projects without worrying about the compatibility of different microcontrollers the joy pi advanced simplifies the development process and gives you the possibility to design your projects flexibly and individually features highly integrated development platform learning center fast easy wireless combination of various sensors actuators installation option for raspberry pi 4 compatible with various microcontrollers self developed didactic learning platform for raspberry pi windows specifications compatible to raspberry pi 4 arduino nano nodemcu esp32 bbc micro bit raspberry pi pico installed sensors actuators components 39 learning platform over 40 entries in the know ledge database 10 projects 10 learning tasks 14 visions displays 7 segment display 16x2 display 1 8 tft display 0 96 oled display 8x8 rgb matrix sensors ds18b20 shock sensor hall sensor barometer sound sensor gyroscope pir sensor light barrier ntc light sensor 6x touch sensor color sensor ultrasonic distance sensor dht11 temperature humidity sensor control joystick 5x switches potentiometer rotary encoder 4x4 button matrix relays pwm fan motors servo interface stepper motor interface vibration motor measuring conversion modules analog digital converter level converter voltmeter variable voltage supply other components rtc real time clock buzzer eeprom memory infrared receiver breadboard rfid reader adapter boards adapter for nodemcu esp32 arduino nano raspberry pi pico board connectors for raspberry pi external boards electronic components infrared remote control rfid chip rfid card 6x alligator clips microsd card reader servo motor stepper motor 32 gb microsd card components 40x resistors 3x green leds 3x yellow leds 3x red leds 1x transistor 5x buttons 1x potentiometer 2x capacitors other accessories screw assortment screwdriver accessory storage bag power supply powe...