
Yahboom TT DC Gear Motor with high-quality carbon brushes with XH2.54 terminal
6V; reduction ratio 1:48; no-load rpm 6V 245rpm (seller Q&A); stall torque 0.8N.m; stall current 1.5A; no-load current 200mA; carbon brush; speed before reduction 12000+-10%rpm; no encoder

Yahboom TT DC Gear Reduced Motor with Encoder torque 1.2kg.cm
Working voltage 6V; rated current 0.3A; torque 1.2kg.cm; max motor speed 16000+-5% rpm; 13-line Hall AB phase encoder, encoder supply 3.3-5V, built-in pull-up shaping; reduction 1:45, output speed 355+-5% rpm (Yahboom doc); stall current 1.4A (seller Q&A); weight 32g/pc (seller Q&A); copper brush, metal single shaft

520 DC Gear Motor with Encoder 205RPM 333RPM 550RPM
Gear reduction options 1:56 (205RPM), 1:30 (333RPM), 1:19 (550RPM); carbon brush, all-metal gears; encoder with built-in shaping + pull-up, square-wave AB output readable directly by MCU; voltage/speed/torque table published as images (not machine-readable text)
