Reddit reviews Easyget Zero Delay Arcade Game USB Encoder PC to Joystick for MAME & Raspberry Pi Retropie Projects SANWA Parts

What /u/demofly said works, but fortunately the control box I used comes with both stick inputs and directional. Can be found here:

https://www.amazon.com/gp/aw/d/B01C5J5AJO?psc=1&ref=yo_pop_mb_yo_pop_mb_pd_t2

This is what I'm using for Sanwa buttons and Joysticks. Use 1 per player. https://www.amazon.com/Easyget-Joystick-Raspberry-Retropie-Projects/dp/B01C5J5AJO/ref=sr_1_7?s=toys-and-games&ie=UTF8&qid=1539111241&sr=1-7&keywords=zero+delay

I had the same problem with my Alpha Cade joysticks. I ended up just gutting the whole thing and replaced the controller board with two of these...

https://www.amazon.com/gp/product/B01C5J5AJO/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

It was super easy there is really nothing to it. I followed ETA Primes tutorial here.

https://youtu.be/Bs78q_JCnZ0

Just make sure you wire both controllers to the same buttons on both boards cuz retropie will override the button configs cuz both boards will be using the same button configurations.

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Other than that I am really happy with my Alpha Cade. The sticks turned me into a happ convert (been using sanwa jlfs).

Buy him the stuff so he can build a nice home play pad.

https://www.amazon.com/dp/B01C5J5AJO/ref=pd_luc_rh_sbs_02_01_t_ttl_lh?_encoding=UTF8&psc=1

This is a good no latency controller board that can be the brain of his ddr/piu pad.

https://www.amazon.in/dp/B01C5J5AJO/ref=cm_sw_r_cp_apa_i_QigHDbK3T0DXF

Looks to be a similar product in amazon. Is this what your looking for.