sodnupta (25)in #electronics • 7 years agoProject 6: Buck Converter (Adjustable Voltage)Description: Input voltage: 24VAC (RMS) Output voltage: 3.64VDC ~ 16VDC Current rating: 1A Ripple:…sodnupta (25)in #electronics • 7 years agoNew Soldering Iron! - Hakko FX888D-23BYsodnupta (25)in #electronics • 7 years agoProject 5: 555 timer (Adjustable duty cycle)Description 555 Timer with adjustable duty cycle Frequency - about 4.5kHz Produces square wave…sodnupta (25)in #electronics • 7 years agoOscilloscope capture 4: Button bouncing and mitigationProblem: LED turned on by a mechanical switch causes "bouncing" of voltage An LED is turned on and off by a…sodnupta (25)in #electronics • 7 years agoOscilloscope Capture 3: Inductive Spike and MitigationRunning DC motor with square wave Purple signal is the voltage at the transistor base, referenced to the common…sodnupta (25)in #oscilloscope • 7 years agoOscilloscope Captures 7/14/18: Picking up switching controller noise from laptop chargerCharger Plugged to Laptop Frequency reads about 98kHz We can tell that the charger uses 100kHz switching…sodnupta (25)in #power • 7 years agoProject 4: Regulated Linear DC Power Supply - Version 1Description: Input Voltage: 120VAC Output Voltage: 9VDC Rated Current: 1A Power Factor: 0.50…sodnupta (25)in #oscilloscope • 7 years agoOscilloscope Captures7/3/18 Music from audio jack 7/1/18 RS-232 serial communication from DHT11 sensor 6/30/18 DC Motor Noisesodnupta (25)in #oscilloscope • 7 years agoFirst oscilloscope! Siglent SDS 1102CML+General Specs Bandwidth: 100MHz Real Time Sample Rate: 1GSa/s Channel: Dual Memory Depth: 2Mpts Rise Time:…sodnupta (25)in #arduino • 7 years agoProject 3: Arduino, HC-SR04 Ultrasonic sensor, NRF24L01 transceiver, Active buzzerDescription: Ultrasonic alarm system Arduino 1: As a person comes closer to the ultrasonic sensor, an active…sodnupta (25)in #arduino • 7 years agoProject 2: Arduino, DHT11, DC motor and LCD displayDescription: Read humidity and temperature data from DHT11 sensor Display humidity and temperature data on LCD…sodnupta (25)in #hardware • 7 years agoProject 1: Blinking LEDDescription: Generate square wave output using IC555 Pulse width modulation with diodes Adjust frequency…
