Buck converter Module

{"cid":"163498","pid":"26777340","pimg_url":"\/\/img1.tradegrowthhub.com\/bc\/aa\/b97026aa8b23\/product\/95655219_s-w400xh400.jpg","name":"DD7818TA Male DC-DC Buck Converter Block THT Module 10-80V DC Step-Down Input Over Voltage Protection","attrs":{"Price":"$5.00(10 - 99 Pieces) $4.20(>=100 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"Foing"}}

{"cid":"163498","pid":"26777333","pimg_url":"\/\/img1.tradegrowthhub.com\/bc\/aa\/b97026aa8b23\/product\/95655172_s-w400xh400.jpg","name":"ESP32 WiFi IOT IOT Module for BLE Core Dual Core ESP-32S ESP-WROOM-32 CPU","attrs":{"Price":"Negotiable","MOQ":"5 Pieces","Delivery Time":"Negotiable","Brand":"Foing"}}

{"cid":"163498","pid":"26777327","pimg_url":"\/\/img1.tradegrowthhub.com\/bc\/aa\/b97026aa8b23\/product\/95655136_s-w400xh400.jpg","name":"UART HC-12 Wireless Wireless UART Module 1000m 433MHz RF UART Wireless Communication Module","attrs":{"Price":"Negotiable","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"Foing"}}

{"cid":"163498","pid":"26777321","pimg_url":"\/\/img1.tradegrowthhub.com\/bc\/aa\/b97026aa8b23\/product\/95655119_s-w400xh400.jpg","name":"BLE Module BLE Serial Port Serial Port Serial Lead To CC2540 CC2541 Compatible With HM-10 AT-09","attrs":{"Price":"$2.74(10 - 99 Pieces) $2.53(>=100 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"Foing"}}

{"cid":"163498","pid":"26777316","pimg_url":"\/\/img1.tradegrowthhub.com\/bc\/aa\/b97026aa8b23\/product\/95655079_s-w400xh400.jpg","name":"HC-06 37.3*15.5 37.3*15.5 Wireless Bluetooth Module Serial Communication Blue-tooth Slave","attrs":{"Price":"Negotiable","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"Foing"}}