shotStopper
A new development board which enables brew-by-weight on your espresso machine, without the need for any screens or dials to distract from the original design of your espresso machine.
Included Parts
The programmed V3.0 circuit board, with custom hardware and software for your specific espresso machine
A plastic half-case with double-sided tape to install in your espresso machine
High-temperature silicone cabling, custom made for your installation
Compatible Scales
Acaia Lunar (pre-2021, usb-micro)
Acaia Lunar (2021, usb-c)*
Acaia Pearl S (usb-micro)
Acaia Pyxis
Compatible Espresso Machines
La Marzocco Linea Micra
La Marzocco Linea Mini
La Marzocco GS3 AV**
Rancilio Silvia Pro ( and Pro X )
Documentation
Discord (For support, updates, and discussion)
Github (For software updates and adjustments)
Specs
Dimensions: 56mm x 46mm x 21.2mm (without cables)
Microcontroller: ESP32 S3 WROOM 1 N4
Wireless: Bluetooth 4.2 (BLE)
Firmware Environment: Arduino (with ESP-IDF)
Power: 5V at 100mA
Indicators: Green Power LED, RGB Status LED
Connector: USB-C
App: LightBlue
This board requires disassembling your machine, which puts you at risk of voiding any warranty of your machine. By purchasing, you are acknowledging you are taking full responsibility of any damage that may occur.
Please note that international buyers may be required to pay landing fees, such as duties, import taxes, customs costs.
*Note that a small number of Lunar 2021 scales do not work. In order to confirm compatibility, use the Bluetooth scanner in your smartphone (not the acaia app) to look for your acaia scale. If it is named “LUNAR…” it is compatible. If it is named “ACAIAL…”, it is not.
**The GS3 does not provide a lot of power, so it is not recommended to have both the IOT board and the shotStopper plugged in. Alternatively, the shotStopper can be powered via the USB-C port.
A new development board which enables brew-by-weight on your espresso machine, without the need for any screens or dials to distract from the original design of your espresso machine.
Included Parts
The programmed V3.0 circuit board, with custom hardware and software for your specific espresso machine
A plastic half-case with double-sided tape to install in your espresso machine
High-temperature silicone cabling, custom made for your installation
Compatible Scales
Acaia Lunar (pre-2021, usb-micro)
Acaia Lunar (2021, usb-c)*
Acaia Pearl S (usb-micro)
Acaia Pyxis
Compatible Espresso Machines
La Marzocco Linea Micra
La Marzocco Linea Mini
La Marzocco GS3 AV**
Rancilio Silvia Pro ( and Pro X )
Documentation
Discord (For support, updates, and discussion)
Github (For software updates and adjustments)
Specs
Dimensions: 56mm x 46mm x 21.2mm (without cables)
Microcontroller: ESP32 S3 WROOM 1 N4
Wireless: Bluetooth 4.2 (BLE)
Firmware Environment: Arduino (with ESP-IDF)
Power: 5V at 100mA
Indicators: Green Power LED, RGB Status LED
Connector: USB-C
App: LightBlue
This board requires disassembling your machine, which puts you at risk of voiding any warranty of your machine. By purchasing, you are acknowledging you are taking full responsibility of any damage that may occur.
Please note that international buyers may be required to pay landing fees, such as duties, import taxes, customs costs.
*Note that a small number of Lunar 2021 scales do not work. In order to confirm compatibility, use the Bluetooth scanner in your smartphone (not the acaia app) to look for your acaia scale. If it is named “LUNAR…” it is compatible. If it is named “ACAIAL…”, it is not.
**The GS3 does not provide a lot of power, so it is not recommended to have both the IOT board and the shotStopper plugged in. Alternatively, the shotStopper can be powered via the USB-C port.
A new development board which enables brew-by-weight on your espresso machine, without the need for any screens or dials to distract from the original design of your espresso machine.
Included Parts
The programmed V3.0 circuit board, with custom hardware and software for your specific espresso machine
A plastic half-case with double-sided tape to install in your espresso machine
High-temperature silicone cabling, custom made for your installation
Compatible Scales
Acaia Lunar (pre-2021, usb-micro)
Acaia Lunar (2021, usb-c)*
Acaia Pearl S (usb-micro)
Acaia Pyxis
Compatible Espresso Machines
La Marzocco Linea Micra
La Marzocco Linea Mini
La Marzocco GS3 AV**
Rancilio Silvia Pro ( and Pro X )
Documentation
Discord (For support, updates, and discussion)
Github (For software updates and adjustments)
Specs
Dimensions: 56mm x 46mm x 21.2mm (without cables)
Microcontroller: ESP32 S3 WROOM 1 N4
Wireless: Bluetooth 4.2 (BLE)
Firmware Environment: Arduino (with ESP-IDF)
Power: 5V at 100mA
Indicators: Green Power LED, RGB Status LED
Connector: USB-C
App: LightBlue
This board requires disassembling your machine, which puts you at risk of voiding any warranty of your machine. By purchasing, you are acknowledging you are taking full responsibility of any damage that may occur.
Please note that international buyers may be required to pay landing fees, such as duties, import taxes, customs costs.
*Note that a small number of Lunar 2021 scales do not work. In order to confirm compatibility, use the Bluetooth scanner in your smartphone (not the acaia app) to look for your acaia scale. If it is named “LUNAR…” it is compatible. If it is named “ACAIAL…”, it is not.
**The GS3 does not provide a lot of power, so it is not recommended to have both the IOT board and the shotStopper plugged in. Alternatively, the shotStopper can be powered via the USB-C port.