A Arduino Pro Mini like PCB
with Lux, Humidity, Air Pressure and Temperature Sensor
and 2x 0-10V Output.
U1 - ATmega328P (3.3V, 8MHz)
U2 - MCP4922 (2x DAC)
U3 - LM358B (2x OP AMP)
U4 - HB1750 (Lux Sensor)
U5 - BME280 (Humidity, Air Pressure and Temperature Sensor)
U6 - L78M12 (12V)
U7 - MIC5205 (3.3V)
| Name | Pin | Function |
|---|---|---|
| RXD | D0 | Serial RX |
| TXD | D1 | Serial TX |
| Jumper 1 | D2 | 0 - 600 Lux |
| Jumper 2 | D3 | 0 - 3000 Lux |
| Jumper 3 | D4 | 600 - 10000 Lux |
| Jumper 4 | D5 | 0 - 100% rH |
| Jumper 5 | D6 | 300 - 1100 hPa |
| Jumper 6 | D7 | -25 - 55 °C |
| Jumper 7 | D8 | 0 - 50 °C |
| LED 1 | D9 | |
| MCP4922 #CS | D10 | |
| MCP4922 SDI | D11 | ISP MOSI |
| --- | D12 | ISP MISO |
| MCP4922 SCK | D13 | ISP SCK |
| Pin A0 | A0 | |
| Pin A1 | A1 | |
| Pin A2 | A2 | |
| Pin A3 | A3 | |
| HB1750 / BME280 SDA | A4 | I2C |
| HB1750 / BME280 SCL | A5 | I2C |