| Quantity | Component name | |
| 1 | × | ESP32 Wroom ESP32 NodeMCU Module WLAN WiFi Dev Kit C |
| 1 | × | M-Bus Slave Click is a Click board™ M-Bus Slave Click is a Click board™ equipped with the TSS721A, a single chip transceiver developed by Texas Instruments for Meter-Bus applications according to EN1434-3 standard. |
| 1 | × | RJ12 Stecker auf 6 Pins Schraubklemmenblock Adapter für Cat3 Telefon Verlängerungskabel,RJ12 6P6C Stecker auf 6 poligen Telefonkabel |
| 1 | × | 5V USB PS |
| 1 | × | ugly 3D printed case |
| 1 | × | (optional) I2C OLED Display OLED Display I2C SSD1306 Chip 128 x 64 Pixel I2C Bildschirm Anzeigemodul mit weißen Zeichen |
stefan.schnitzer