I investigated and resolved the Common ESP32-CAM failure (“Camera init failed 0xFFFFFFFF”). Final fix combined: correct board profile & pin map (AI Thinker), stable 5V supply, reseated camera ribbon, clean flash + re-flash. The video walkthrough has helped thousands of makers (9K+) reproduce the fix quickly.
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An automatic dispenser to monitor the distribution of spices in a popular catfish restaurant in Ghana. This was done for monitoring and accountability as the manager could not track the amount of spices required
Designed a digital-based retrofitting unit to enable automatic meter reading for magnetic water meter systems. The device calculates water consumption and provide customers with real-time monitoring and a reliable billing system
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A low-cost solar electric maize dryer designed to empower small-holder farmers to reduce postharvest losses by allowing farmers to dry maize in all weather situations
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1. A device that alerts waste management companies when the bin is almost full. 2. A a container for waste so people do not have to bear the sight of overflowing waste
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A bicycle water pump designed to help inhabitants of a village for easy access to water
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My team and I assisted children at the Christ Faith Foster Home School to code C++ in the Arduino programming environment, as well as control several electronic components (LEDs, Servo motors, buzzers, LDRs, And Ultrasonic sensors.
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Exploring the effects of turbines in hydroelectric power, my team and I designed a prototype of a turbine and connected it to a voltmeter. We varied the fluid velocity at 12.5cm and 3.1cm that confirmed metal, plastic, plexiglass, wood and cardboard as the most efficient material respectively
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An embedded systems LCD game programmed in C where a created soldier character earns digital points by fighting against enemies.
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After studying Physics II, my team and I designed an electronic piano using resistors and capacitors. This piano offers bluetooth connectivity and can play music through its speakers from the device connected
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A battery-powered weighing scale designed using a micro-controller and a load cell. The units of mass could switch between kg, g, or ounces. The percentage error compared to a real scale was a 3 to 4 % difference.
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A charger made from wood. I applied the concept of conductivity of metals and made a charger using wood and metals. This woodblock charger was tested by charging a phone which worked perfectly