Indalo‐Tech RAMSES_ESP

The Indalo-Tech RAMSES_ESP is a USB powered device designed to run the ramses_esp firmware.

It has an ESP32-S3 WROOM-1 module and E07-900MM10S cc1101 module together with an SMA antenna connector.

Also present on the board are 3 LEDs and two buttons.

The red LED (nearest the USB connector) is a power indicator. It shows the internal 3V3 power to the cc1101 and esp32 is active.

The blue and green LEDs are between the SMA connector and the WROOM-1 module, the blue one being closest to the antenna. These two LEDs have the potential to be used in various ways by the firmware.

The default behaviour of the blue LED is to show detection of RAMSES messages by the cc1101 (RX) (including messages with errors) The default behaviour of the green LED is to show transmission of RAMSES messages by the cc1101 (TX).

The two buttons are located either side of the USB connector. The button on the far side to the SMA connector is the RESET button. When pressed this places the ESP32-S3 in a hard reset state. The button nearest the power LED is the FUNCTION button. This can be used to trigger various events according to a combination of short, long or very long presses.

When inserted in a PC USB port it presents TWO serial interfaces. On Windows these appear in Device Manager as USB JTAG/Serial debug unit (Interface 0) (COMxx) USB JTAG/Serial debug unit (Interface 2) (COMyy)

Only Interface 0 is currently used by RAMSES_ESP firmware.