# Bill of materials

| POS | QTY | PART NAME             | PART MANUFACTURER   | PART CODE   | SPECIFICATIONS                                                | DESIGNATORS |
| --- | --- | --------------------- | ------------------- | ----------- | ------------------------------------------------------------- | ----------- |
| 1   | 1   | Wifi Micro-Controller | Amica               | nodemcu-32s | UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S/IEEE802.11bgn/Bluetooth4.2 | n/a         |
| 1   | 1   | RS485 Module          | Analog Devices Inc. | MAX3485     | RS485/UART/seriel/3.3V/10mbps                                 | n/a         |