You can make one yourself pretty quickly with a Raspberry Pi and a few dollars (<$20) worth of parts. All you need is a load sensor[0] and an ADC[1]. [0]: http

You can make one yourself pretty quickly with a Raspberry Pi and a few dollars (<$20) worth of parts. All you need is a load sensor[0] and an ADC[1]. [0]: https://www.sparkfun.com/products/10245 https://www.sparkfun.com/products/10245 [1]: https://pimylifeup.com/raspberry-pi-adc/ https://pimylifeup.com/raspberry-pi-adc/