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PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTE RS The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Counter and the SN54/ 74LS191 is a synchronous UP / DOWN Modulo-16 Binary Counter
This Electricity and Magnetism Experiment STEM kit can build many projects:
This product is a material package that children need to finish themselves
Parallel Circuits
Basic Electronics Discovery Circuit & Wind Car STEM Kit for Students IC PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLESpecification: The Basic Electricity circuit kit includes everything that you need to get started, provides a hands on opportunity for students in grades 2nd 8th to build simple circuits With our physics lab kit, you can build many interesting experiments, such as stair double switch circuits, traffic lights, electromagnets, hand cranked generators, series and parallel circuits, etc. The kit contains English instructions, it starts simple to gets
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