| Quantity | Component name | |
| 1 | × | ESP32C3 supermini |
| 1 | × | 0.91" OLED I2C display |
| 1 | × | Rotary encoder with push button |
| 1 | × | 12V-24V to 5V buck converter |
| 1 | × | INA250 current sensor |
| 1 | × | AD627 instrumentation amplifier Amplifier and Linear ICs / Instrumentation Amplifiers |
| 1 | × | 3V Zener diode For zener reference |
| 1 | × | 30R resistor For zener reference |
| 1 | × | RT6200 https://www.aliexpress.com/w/wholesale-RT6200.html |
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