The key is …
12 Key Membrane Switch Keypad 4 x 3 Matrix
5PCS 4 x 4 Matrix Keypad Membrane Switch
3×4 Matrix Array Membrane Switch Keypad
10PCS 1×4 Key Matrix Membrane Switch Keypad
5 pcs 20 Key Membrane Switch 4×5 Matrix Keypad
1×5 Matrix Array Membrane Switch Keypad
1×5 Matrix Array Membrane Switch Keypad – Arrow
4×4 Matrix Keyboard Module 16 Push Buttons
5 Keypad Board Matrix Buttons Module
Silver Metal Digital Electronic Password Cabinet Code locks
Stripboard / Veroboard
12pcs/set DIY Prototyping Board
130mm x 250mm Panel Single Side Copper Stripboard Green
2 Pcs Single Side PCB Stripboard Green 9.8″ x 5.1″
5 Pcs Prototyping Stripboard 90x70mm
3.5″ x 5.9″ Prototyping Double Side Copper Stripboard
20pcs PCB Prototype Board 2X8 3X7 4X6 5X7
20 pcs 2×8 cm Prototype Double-Side Universal Board
MEGA Proto shield V3 expansion board for arduino
Cases, boxes
Hard Plastic Battery Protective Storage Boxes Cases Holder For 18650 Battery
10pcs Mini Slide Metal Storage Box
Plastic Electronic Project Box 100x60x25mm
Waterproof ABS Plastic Electronic Enclosure Project Box Black 103x64x40mm
electronic case (10 pcs) 363615mm plastic housing
Transparent fashion 30 bottle storage box
7125.5100mm DIY Aluminium Preamp Case project
64x58x35mm Blue Metal Enclosure with transparent Clear cover
229-35-150 mm (W-H-L) Metal Enclosure Box
150x70x100mm metal enclosure box
150x70x200 mm industrial case electronics enclosure
Aluminum electronics box (10 pcs) 2582100mm
10 pcs /lot electronics diy enclosures, wall mount plastic box
Aluminum alloy Instrument shell electric enclosure box 64X25.5X80mm
Components for MQTT Letterbox by MickMake
… okay, not exactly the same, but pretty near.
110*60mm DIY Sunpower Solar Cell 6V 1W
Sharp IR Sensor GP2Y0A21YK0F Detecting Distance 10 to 80cm with Cable
10 Pcs 12V Sw-18010 High Sensitivity Vibration Sensor Switch
DHT22 Digital Temperature and Humidity Sensor AM2302 Module+PCB with Cable
Luminosity Sensor Breakout TSL2561
3.7V – 1000mAh, polymer lithium ion / Li-ion battery