| Ref | Qty | €/unit | Part | Value | Package |
|---|
| R1, R3 | 2 | 0.01 | Resistor SMD 1/8W 5% | 470Ω | 0805 |
| R2 | 1 | 0.01 | Resistor SMD 1/8W 5% | 120Ω | 0805 |
| R4, R5, R6, R7, R8, R9, R13 | 7 | 0.01 | Resistor SMD 1/8W 5% | 10kΩ | 0805 |
| R10, R11 | 2 | 0.03 | Photoresistor (CdS LDR) | GL5539 | |
| R12 | 1 | 0.01 | Resistor SMD 1/8W 5% | 3kΩ | 0805 |
| C1, C2 | 2 | 0.05 | Capacitor SMD 16V 10%, Tantalum | 10uF | EIA-3216 |
| D1 | 1 | 0.08 | SM712-TCT TVS Diode | | SOT-23 |
| U1 | 1 | 0.03 | TI LM1117 800mA LDO Regulator | 3.3V | SOT-223 |
| U2 | 1 | 0.16 | MAX3485ECSA 3.3V RS-485 Transceiver | | SOIC-8 |
| U3 | 1 | 1.39 | ESP-12E ESP8266 Wi-Fi Adapter | | Module |
| U4 | 1 | 0.67 | HC-SR501 PIR Motion Detection | | Module |
| U5 | 1 | 2.11 | DHT22 Temperature and Humidity Sensor | | Module |
| U6 | 1 | 0.55 | BMP280 Barometric Pressure Sensor | | Module |
| J1, J2 | 2 | 0.02 | Pin Header 2.54mm Straight | 1x02 | |
| JP1 | 1 | -.-- | Jumper/Solder Bridge | | SMD |
| T1, T2, T3, T4, T5, T6 | 6 | -.-- | Test point | | SMD |