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![]() B0BR2P5HFT Availability: Currently unavailable Score: 1000.000 Category: Tools Rating: 4.1 Votes: 14 Find similar productsSoldering Practice Kit Learn to Solder Kits DIY Electronic Soldering Project Learning Board. After power-on, NE555 and peripheral circuits form a multivibrator. The oscillation frequency is mainly determined by R1, RP and C2. Adjusting RP can change the oscillation frequency. The oscillation signal of the oscillator is output from pin 3 of NE555 and sent to the counting input of CD4017. (14 feet), every time a pulse arrives, the high level output by Q0-9 of the counter moves 1 bit in turn, lighting up the corresponding light-emitting diode, thus producing the feeling of running water. Among them, L11 is connected to the counting output terminal C0 of 4017. When L1-5 is lit, the C0 terminal of 4017 outputs a high level and lights up L11. When L6-10 is lit, the C0 terminal outputs a low level and L11 does not light up. If you feel that L11 is unsightly, you can also not install it, and it will not affect the circuit work at all. | ![]() B0BH4VXVQM Availability: Currently unavailable Score: 10.000 Category: Tools Rating: 1 Votes: 1 Find similar productsDIY Practical Soldering Practice Kit Practice Learning Electronics Training Board. . |
![]() B09NC1644D Price: $8.99 Score: 8.197 Category: Tools Rating: 4.1 Votes: 42 Find similar productsLearn to Solder Kits Soldering Practice Kit Learning Electronics Training Board. Learn Electronics for Beginners The best way to learn electronics, or to start electronics as a hobby, is to start building circuits. You do not need to know how the circuits work or what the parts do at first. By building circuits, you will learn about different electronic parts and components, how to read circuit diagrams, as well as about basic tools and electronic principles. | ![]() B001COXLC2 Availability: Currently unavailable Score: 7.813 Category: Tools Rating: 3.3 Votes: 14 Find similar productsElenco Digital Bird Soldering Kit [ SOLDERING REQUIRED ]. Are you a Do-It-Yourselfer? Hone your soldering techniques on the Digital Bird Soldering Kit. There are all kinds of birds in this world; singing all kinds of songs. But neither you nor they probably have heard anything quite like this! From the company that brings you Snap Circuits - 9 volt battery not included. - MADE IN THE USA - Elenco was founded more than 30 years ago by 2 engineers. The core of Elenco is still strong engineering and design skills. Elenco test equipment has proven to be reliable as well as affordable. Elenco supplies Universities and High Schools with quality educational kits and materials. |
![]() B097TCQTCT Price: $13.99 Score: 7.143 Category: Tools Rating: 4.7 Votes: 185 Find similar productsLearn to Solder Kits Hue Soldering Kit | DIY Electronics Projects For Beginners | Practice For Adults & Kids STEM Classes & Events | Science Project Electronic RGB LED Light Circuit Board With Battery. . | ![]() B0BF5816HF Availability: Currently unavailable Score: 6.993 Category: Tools Rating: 5 Votes: 1 Find similar productsGikfun Welding Practice Soldering Skill Training Board, LED Eyeglasses DIY Kit. Comes with English user manual and online PDF file, which will guide you how to finish step by step, perfect for school basic electronics experiment projects. |
![]() B081F94DZG Availability: Currently unavailable Score: 6.993 Category: Tools Rating: 3.8 Votes: 52 Find similar productsYEMIUGO DIY Soldering Kit 3D Cube LED Light DIY Electronics Kit 256 Lights Flashing Animated Light Music Spectrum Electronic Learning Soldering Practice Kit with Shell. . | ![]() B0BCJYDP44 Price: $27.99 Score: 6.536 Category: Tools Rating: 4 Votes: 132 Find similar productsSoldering Project, Icstation FM Radio Kit with LED Flashing Lights Soldering Practice DIY Radio Kits LCD Display FM 87-108MHz Digital Radio Kit for Learning Teaching STEM Educational Project. . |
![]() B006X4NSJ2 Availability: Currently unavailable Score: 6.452 Category: Tools Rating: 4.2 Votes: 8 Find similar productsK-37/K-38 RESISTOR & CAPACITOR SUBSTITUTION BOX (SOLDERING) KITS COMBO PACK. K-37:Educational kit complete with PC Board and detailed instruction book. Contains 24 different value resistors from 10 ohms to 1 meg. ELENCO K-37 Resistor Substitution Box (soldering kit) K-38 Educational kit complete with PC Board and detailed instruction book. Contains 24 different value capacitors from 100pF to 1uF. ELENCO K38 Capacitor Substitution Box (soldering kit). | ![]() B08TZRP54K Availability: Currently unavailable Score: 6.250 Category: Tools Rating: 1 Votes: 1 Find similar productsJJK Electronic Kit 3pcs ICL7107 Voltmeter DIY Electronic Production Kit DC5V 35mA Voltage Meter Digital Voltmeter Provide You with Better Quality. These electronic kits are of good quality, exquisite workmanship and stable circuit, you can buy with confidenceDescription:Measurement accuracy: It can be calibrated to obtain higher accuracy, and there are currently no parameters.Measuring range: Divided into 3 gears, 0-2V gear measuring small voltage0-20V gear measuring low voltage0-200V, measure higher voltage.Range selection method: there are solder joints for gear selection on the board,When the two points of the 0-2V gear are welded together, and the resistance of the RX welding resistance is 1K, the measurement range is 0-2V;When welding the 2 points 0-20V file together, the welding resistance of RX is 100K, and the measuring range is 0-20V;When welding the two points of the 0-200V gear together, the welding resistance of RX is 1M, and the measurement range is 0-200V;Over-range display: the first position displays 1 or -1In the kit, the range of RX is 100K and 1M, and the buyer chooses welding according to its measuring range. The voltmeter can also be changed to an ammeter. The method of changing the ammeter: PCB reserves a 2W 0.1 ohm high-precision resistance welding position on the board, solder the resistance, and then no need to solder RX. This is a 0-2A ammeter.Display color: redTools required for production: multimeter, electric iron and water tongs are needed.Package Included:3 x PCB board9 x 1N41483 x 5.1V Zener diode3 x 100 ohm resistor3 x 270 ohm resistor6 x 2K resistor3 x 20K resistor3 x 47K resistor3 x 56K resistor6 x 100K resistor3 x 1M resistor3 x 2.2MH inductor6 x 104 monolithic capacitors6 x 101 monolithic capacitors3 x 224 monolithic capacitors3 x 474 monolithic capacitors6 x 10UF25V electrolytic capacitor3 x C18153 x TL4316 x 3296-202 potentiometer3 x XH2.54-2P straight seat3 x XH2.54-2P cable3 x KF301-2 sea. |









