CP2102 USB 2.0 to TTL UART Module 6Pin Black usb moduleL1: B07-2 / L2: - / L3: - (10051078) $3.00 Add
LM2577 DC-DC Step-Up Power Converter ModuleL1: SS09-1-4 / L2: E08-2-2 / L3: K2114 (10051054) $3.50 Add
LM2596 LM2596S with SMD LED DC-DC Step-Down Power Supply ModuleL1: C08-18 / L2: - / L3: - (10051047) $1.50 Add