Connecting the board V0.0.2
| Pin | Description | Color |
|---|---|---|
| PIN 1 | Pin 1 on Bosch LSU 4.9 - IP | red |
| PIN 2 | Pin 2 on Bosch LSU 4.9 - VM | yellow |
| PIN 3 | Pin 3 on Bosch LSU 4.9 - Heater - | white |
| PIN 4 | Pin 4 on Bosch LSU 4.9 - Heater + | grey |
| PIN 5 | Pin 5 on Bosch LSU 4.9 - IA | green |
| PIN 6 | Pin 6 on Bosch LSU 4.9 - UN | black |
| Pin | Description |
|---|---|
| +UB | Power Supply 10-16V |
| GND | Ground |
| IN | No Connection or GND, Connecting to Ground starts heating and measuring (Maximum allowed voltage only 0-5V on this pin!) |
| RXD | TTL Serial Interface RXD (0-5V) |
| lin Out | Linear Lambda Output 0,5-4,5V (equals AFR 10-20) |
| TXD | TTL Serial Interface TXD (0-5V) |
| +5V | +5V from the internal switching power supply |
| PWM | Programmable 0-5V PWM Output. Depending on software this can be used for narrowband simulation or external gauge |
| Pin | Description |
|---|---|
| +5V | AVR ISP Interface +5V (from the internal switching power supply) |
| MISO | AVR ISP Interface MISO |
| MOSI | AVR ISP Interface MOSI |
| SCK | AVR ISP Interface SCK |
| GND | AVR ISP Interface GND |
| RST | AVR ISP Interface RST |
| IN | No Connection or GND, Connecting to Ground starts heating and measuring (Maximum allowed voltage only 0-5V on this pin!) |
| RXD | TTL Serial Interface RXD (0-5V) |
| TXD | TTL Serial Interface TXD (0-5V) |
| OUT | Linear Lambda Output 0,5-4,5V (equals AFR 10-20) |
