Hello,
Could these servo testers
https://www.amazon.com/dp/B07TQSKLBK/ref=cm_sw_r_apan_glt_i_MDYA22WTTX94N79NHB98
Have their dials removed and the dials be effectively replaced with these micro joysticks
https://www.amazon.com/dp/B07NM7GW91/ref=cm_sw_r_apan_glt_i_5V2H919EF24JG9RTKF7C
Could these servo testers
https://www.amazon.com/dp/B07TQSKLBK/ref=cm_sw_r_apan_glt_i_MDYA22WTTX94N79NHB98
Have their dials removed and the dials be effectively replaced with these micro joysticks
https://www.amazon.com/dp/B07NM7GW91/ref=cm_sw_r_apan_glt_i_5V2H919EF24JG9RTKF7C