A precise capacitance meter powered by Arduino to measure capacitance in the range from 10 nF to 10 uF
An FPGA replacement for fast electronics modules (NIM+)
A TDC (time-to-digital converter) powered by FPGA to digitalize square signal pulses on the order of 1 ns
A temperature sensor system to activate LED pattern on acrylic snowflake
A heating system to control the temperature of an anodized aluminum plate in 170 Fahrenheit for encaustic wax painting
A rotating ultrasonic sensor for object detection (sonar)
A digital gaming system powered by Arduino to mimic the “Simon Says” performance
A low cost water quality monitor of turbidity & pH for 3rd world applications
An automatic farming system, controlling CO2 & humidity for a plant
A LED matrix display & joystick simulating “Snake” arcade game
A self-sufficient hydroponic system to monitor and adjust the pH level and temperature of soil-less plant
A piloting system to control propeller thrust with great precision by using Arduino RF transmitter & receiver
A soil monitor to measure and adjust moisture level of a potted plan by controlled peristaltic water pumping
A band-pass filter circuit to modify the acoustic frequency of input signal to mimic human vocal sound
A Raspberry Pi synthesizer produce frequency note associated with the pressed key and sent it to the speaker for music
An analog & digital system to record and play back sound with a bandwidth of 4 kHz