Small PCB adjustable gain, adjustable offset Load Cell amplificiation curcuit based on INA126, designed specifically for adding Load Cell brake to Generic G2x Logitech Pedals but suitable for any 4 wire load cell application.
Use in conjunction with a 12bit controler such as STM32xxxx With OSH software interface for awesome, hi res, DIY load cell pedals.

https://opensimhardware.wordpress.com/pedal-button-controller/