1、Suitable for firmware burning test for ESP‑125/12F/12E/075/07/015/01 and other modules. 2、High‑quality production process, not easy to appear insufficient solder, reliable to use. 3、Made of high‑grade PCB, good thermal conductivity and electrical insulation properties, long durability. 4、DC5V working voltage, it has stable performance, convenient to operate, reliable to use. 5、Manufactured according to the original production specifications, in line with strict quality standards. <p class="wang-edit-text">Item Type: Development BoardMaterial: PCBWorking Voltage: DC 5VPurpose: Suitable for firmware burning test for&nbsp;ESP-125/12F/12E/075/07/015/01 and other modules<style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Development Board