HM1X telemetry module
Connectors
4-pin Hirschmann CA3GD sensor connector
pin number | function | notes |
---|---|---|
1 | VCC out (5V) | max. 100mA for powering sensor |
2 | RS485 - A | alt: UART TX |
3 | RS485 - B | alt: UART RX |
4 / GND | GND |
7-pin Hirschmann CA6GS power connector for solar panel
pin number | function | notes |
---|---|---|
1 | BATT+ | 3.3-3.6V (e.g. LiFePO4 including charging voltage) |
2 | IO1 | charging status of battery (high - charging, low - not charging) (high, low against BATT+ pin) |
3 | IO2 | voltage on solar panel scaled to 0-3.6V max. |
4 | ||
5 | ||
6 | ||
7 | GND (BATT-) |