Assam ASSEB HS Skill Subject Electronics and Hardware case studies
Assam ASSEB HS Skill Subject Electronics and Hardware · Put your knowledge to work in context.
The Assam ASSEB Higher Secondary Skill Subject in Electronics and Hardware is a vocational stream subject taken alongside regular HS coursework under the Assam State School Education Board (ASSEB). It suits students who prefer hands-on technical work to purely theoretical science: you learn why a circuit behaves the way it does, then build, measure and repair it. The syllabus moves from circuit fundamentals and passive/active components through digital logic, microcontrollers and embedded systems, test instruments, soldering and PCB work, computer hardware and peripherals, and finally fault-finding, maintenance and electrical safety. Assessment blends multiple-choice and short-answer theory with practical or experimental tasks, so marks come from both recall and bench skill - neat soldering, correct meter use, logical fault tracing. The Assam ASSEB HS Skill Subject Electronics and Hardware case studies are 5 cases and about 2,497 words.
1Emergency Lantern Current and Battery Sag
A trainee is checking a 9 V battery-powered emergency lantern built from three white LEDs wired in parallel, each with its own 330 Ω series resistor. With a fresh alkaline battery, the open-circuit voltage is 8.95 V.
467 words, about 2 min2Relay Driver Transistor Overheating and Chatter
A student builds a 12 V relay driver using a 2N2222 NPN transistor. The relay coil is rated 12 V, 400 Ω.
512 words, about 3 min3Counter Jumping When a Hand Approaches
A student builds a 4-bit binary counter using a 74LS93 and a 74LS47 seven-segment decoder. The clock comes from a push button with a 10 kΩ pull-up to +5 V.
506 words, about 3 min4Temperature Controller Disturbed by Fan Startup
A team builds a classroom temperature controller with an ATmega328P board, a 5 V relay module, and a 12 V DC fan. The sensor is a 10 kΩ NTC thermistor in a voltage divider with a 10 kΩ resistor, connected to ADC0.
567 words, about 3 min5Reworking Cold Joints on a CMOS Kit Board
A student is reworking a single-sided through-hole PCB from a kit. The board has 1 oz copper and no ground plane.
445 words, about 2 min