2 layers97.8 × 49.5 mmEsp03-usb jtagjcmvbkbc/esp03-breakoutProgrammer & JTAG debugger for ESP826658 parts3
2 layers49.5 × 49.5 mmEsp03-breakoutjcmvbkbc/esp03-breakoutProgrammer & JTAG debugger for ESP826616 parts3