Charge controller (30A PWM or MPPT) matched to panel and battery. Renogy
12V 50Ah Lithium Battery. Renogy
700W Solar power inverter to produce AC from the battery. Renogy
AWG cables: • 10 AWG Solar cable with MC4 connectors x 2. Renogy • 8 AWG Cable x2. Renogy • 4 AWG copper cable or 6 AWG cable for short runs (<1m) x2. Renogy
AC loads: LED Lamp – 11W, Fan – 40W, Laptop charger – 60W.
Light source: Spider Farmer SF1000, Samsung LM301H EVO Led Grow Light, Full Spectrum Light simulating sun light spectrum. Spider Farmer using Samsung LM301B and LM301H EVO diodes.
Power strip with circuit breaker.
Protection: Fuses/2-pole circuit breakers
20A MC4 fuse or DC circuit breaker
30A DC fuse or DC circuit breaker
60A DC fuse or DC circuit breaker
Electric Circuits Learning
Breadboard, AA batteries, battery holders, alligator clips, LED bulbs, resistors, conduction wires.
Measurement and Data Tools
Multimeters (at least 1 per group) for DC/AC voltage, current, resistance.
Power meters for power measurement.
Simulation and Analysis Software
Phet simulations for electric circuits and energy transformations.
Spreadsheet software (Excel) for Light source profile, load profile, sizing, and cost models.
Computing and Collaboration (available in school)
Student devices (Chromebooks/laptops) with internet access for research and simulation.
Shared platform for collaboration reports and presentations.
Safety
Light radiation – safety goggles.
Pre-Moistened Lens Cleaning Wipes for goggles. Zeiss
Clear Student Safety Rules.
Clearly labeled “do not touch” zones.
Written procedures for connecting/disconnecting components.
Lockable storage for batteries and electronics.
Printed wiring diagrams and checklists for students to follow when building the minigrid.
