View this project on CADLAB.io.
Software-controlled variable-voltage power supply with current and power monitoring.
Features:
- Common voltages preset through web interface (In Progress)
- TFT LCD to display output voltage and current
- Digital Potentiometer for software-controlled adjustment (TODO)
Display hardware as WifiWeatherGuy:
- Wemos D1 Mini
- PCB-mounted push switch
- 1.8" TFT LCD display
- v3 PCB (with pin headers)
PSU hardware:
- LM317 variable voltage regulator
- INA219 voltage and current sensor
- X9C103P digital potentiometer
- Old laptop transformer (19v)
- Arduino 1.8.x
- Arduino/ESP8266 2.7.1
- ArduinoJson 6.15.1
- TFT_eSPI 2.2.8
- Adafruit_INA219 1.0.4
- Arduino-X9C 0.9.0
- SimpleTimer
- Stator