AstroCAN BD-1 Logics

Connectors

AstroCAN BD-1 Logics Connectors
Hotspot	Function	Description
1	ESP32-C3-SuperMini or Arduino Pro Mini	ESP32-C3-SuperMini or Arduino Pro Mini Connector, depending on the version of your board.

Commands

Use serial terminal to connect via USB (see above) to AstroCAN-Module. If your browser supports “Web Serial”, you also can use the terminal available in the Firmware section. Communication speed ist 115200 baud. The following commands are available for configuration and management:

AstroCAN BD-1 Logics Commands
Command	Parameters	Description	Example
/HELP	–	shows usage	/HELP
/SETTINGS	–	shows all settings stored in EEPROM	/SETTINGS
/WIFIAPSSID	AP SSID	sets the access point SSID	/WIFIAPSSID R2TOCH
/WIFIAPPASSWORD	AP Password	sets the access point password	/WIFIAPPASSWORD R2TOUCH123
/WIFISSID	WIFI SSID	sets the WLAN SSID	/WIFISSID HOMELAN
/WIFIPASSWORD	WIFI Password	sets the WLAN Password	//WIFIPASSWORD HOMELAN123
/PAIR	–	auto pair module with ESP-NOW peer (connect both modules to CAN for pairing)	/PAIR
/NOWLMK	16 byte key	sets the local master key for ESP-NOW communication. See -> ESP-NOW encryption for details.	/NOWLMK 0123456789ABCDEF
/NOWPMK	16 byte key	sets the primary master key for ESP-NOW communication. See -> ESP-NOW encryption for details.	/NOWPMK 0123456789ABCDEF
/NOWCHANNEL	Channel	sets the ESP-NOW channel number	/NOWCHANNEL 5
/NOWSETPEER	MAC Address in xx:xx:xx:xx:xx:xx format	set ESP-NOW communication peer MAC address	/NOWSETPEER 01:23:45:67:89:AB
/NOWCLEARPEERS	–	clear all ESP-NOW communication peers	/NOWCLEARPEERS
/NOWLISTPEERS	–	list all ESP-NOW communication peers	/NOWLISTPEERS
/RESTART	–	restart module	/RESTART
/FACTORY	–	set factory settings and restart module. All EEPROM settings will also be set to default.	/FACTORY
/ACTIVATE	CAN\|CAN1\|CAN2\|NOW\|WIFI\|ENC	acticate CAN-/NOW-/WIFI-Functionality or ESP-NOW encryption. CAN1/CAN2 only available on Dual-CAN-Boards.	/ACTIVATE CAN
/DEACTIVATE	CAN\|CAN1\|CAN2\|NOW\|WIFI\|ENC	deacticate CAN-/NOW-/WIFI-Functionality or ESP-NOW encryption. CAN1/CAN2 only available on Dual-CAN-Boards.	/DEACTIVATE CAN
/ANIMATION	number	set animation type	/ANIMATION 4
/SPEED	milliseconds	set animation speed (not persistent!)	/SPEED 100
/BRIGHTNESS	0-255	set global brightness	/BRIGHTNESS 35
/RNDBRIGHTNESS	0\|1	(de)activate random pixel brightness. Each pixel has individual brightness if active	/RNDBRIGHTNESS 1
/COLOR	colorname	set base color, valid color names: blue red yellow green purple pink cyan orange lime magenta white random	/COLOR blue
/COLORRGB	R(0-255) G(0-255 B(0-255)	set base color as RGB value	/COLOR 0 0 255
/MINLEDS	0-255	minimum number of active LEDs	/MINLEDS 10
/MAXLEDS	0-255	maximum number of active LEDs	/MAXLEDS 80
/SPARKS	0-255	fire effect sparks parameter	/SPAKRS 40
/COOL	0-255	fire effect cool parameter	/COOL 50

Settings

Use serial terminal to connect via USB (see above) to AstroCAN-Module. Communication speed ist 115200 baud. The following settings can be configured (see command set above):

AstroCAN BD-1 Logics Settings
Setting	Description	Example	Config Command
MAC	MAC Address of ESP32	12:34:56:78:9A:BC	fix, not configurable
AP_SSID	Name of the access point network, the AstroCAN module opens up to get connected by apps like R2-Touch	R2TOUCH	/WIFIAPSSID
AP_Password	Password of the Access point network.	R2TOUCH123	/WIFIAPPASSWORD
WLAN_SSID	Name of the WLAN the AstroCAN module can connect to, to be controlled by other systems within that network	HOMELAN	/WIFISSID
WLAN_Password	Password of the WLAN the AstroCAN module can connect to.	HOMELAN123	/WIFIPASSWORD
NOW_PMK	ESP-NOW encryption parameter: Primary Master Key. See -> ESP-NOW encryption for details. Only change, if you exactly know, what you are doing!	0123456789ABCDEF	/NOWPMK
NOW_LMK	ESP-NOW encryption parameter: Local Master Key. See -> ESP-NOW encryption for details. Only change, if you exactly know, what you are doing!	0123456789ABCDEF	/NOWLMK
NOW_Channel	WIFI channel to be used for ESP-NOW communication. All ESP-NOW peers have to communicate over the same channel number	5	/NOWCHANNEL
CAN1_Active	Shows, if main CAN bus is active	true – activated false – deactivated	/ACTIVATE CAN /ACTIVATE CAN1 /DEACTIVATE CAN /DEACTIVATE CAN1
CAN2_Active	Shows, if secondary CAN bus is active	true – activated false – deactivated	/ACTIVATE CAN2 /DEACTIVATE CAN2
NOW_Active	Shows, if ESP-NOW is active	true – activated false – deactivated	/ACTIVATE NOW /DEACTIVATE NOW
WIFI_Active	Shows, if WIFI is active	true – activated false – deactivated	/ACTIVATE WIFI /DEACTIVATE WIFI or WIFI jumper
NOW_Encryption	Shows, if ESP-NOW encryption is active. See -> ESP-NOW encryption for details.	true – activated false – deactivated	/ACTIVATE ENC /DEACTIVATE ENC
Peers	Description	Example	Configuration
Peer	MAC-Adress of ESP-NOW communication partner, not used in bridge module	12:34:56:78:9A:BC	/NOWSETPEER
REAR_ANIM	Current animation type	1	/ANIMATION
REAR_BR	Global display brightness	35	/BRIGHTNESS
REAR_RNDBR	Individual pixel random brightness	true	/RNDBRIGHTNESS
REAR_R	Base color, red value	0	/COLOR or /COLORRGB
REAR_G	Base color, green value	0	/COLOR or /COLORRGB
REAR_B	Base color, blue value	255	/COLOR or /COLORRGB
REAR_MINLEDS	Minimum number of active LEDs	10	/MINLEDS
REAR_MAXLEDS	Maximum number of active LEDs	80	/MAXLEDS
FIRE_SPARKS	Fire effect sparking parameter value	50	/SPARKS
FIRE_COOL	Fire effekt cooling parameter value	40	/COOL

F.A.Q – AstroCAN BD-1 Logics

What is it?

The AstroCan BD1-Logics board is designed for Michael Baddeleys BD-1. It fits the head and is controlled via a piggyback Arduino Pro mini or via any other microcontroller. It has 251 3535 RGB Leds.

Features

ESP-NOW Wireless Dome/Head<->Body Comm (serial, Canbus, I2C)
CAN-Bus ready software for upcoming CAN-enabled Astromech Devices

The ESPNow system is exclusively utilized for connecting the body/head and dome. It efficiently transfers all CAN signals and one serial interface between the dome/head and body through ESPNow.

Nice Effect Settings

Fading Blue

REAR_ANIM: 4
REAR_SPEED: 10
REAR_BR: 50
REAR_RNDBR: true
REAR_R: 0
REAR_G: 0
REAR_B: 255
REAR_MINLEDS: 3
REAR_MAXLEDS: 75
FIRE_SPARKS: 40
FIRE_COOL: 40

Firmware Installer

To install most recent firmware V2.5.0 connect the module via USB to your computer and click on “Connect” button.

Attention 1: When upgrading one module to V2.x, you have to upgrade ALL other Modules to V2.x!

Attention 2: Read HowTo – Upgrade to V2.5 before upgrading!

Firmware Download

ESP-Tool-Upgrade

The firmware has been compiled using esptool, ready to flash to offset 0x00.

Firmware AstroCAN-BD1-Logics download

OTA-Upgrade (Firmware 2.5 and greater)

Firmware AstroCAN-BD1-Logic

Fileystem AstroCAN-BD1-Logics

Read HowTo – Upgrade to V2.5 before upgrading!

Revision History

Version 2.5.0 (29. November 2025)

Features

Upgrade to recent Toolkit incl. Web Config

Bugfixes

Version 1.0.1 (03. January 2025)

Features

Effect fine tuning

Bugfixes

typos

Version 1.0.0 (02. January 2025)

First official Release

AstroCAN BD-1 Logics