Quantity | Component name | |
1 | × | TCT40-T 40 kHz piezo ultrasonic transmitter |
1 | × | NodeMCU V2 |
2 | × | HC-SR501 PIR motion sensor |
1 | × | NE556 Clock and Timer ICs / Timer ICs |
1 | × | 5mm green LED |
2 | × | 5mm amber LED for motion detect + transmitting indicators |
1 | × | Pushbutton switch For testing |
1 | × | 2N2222 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs |