For uno MCU

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{"cid":"90853","pid":"19392289","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62329312_s-w400xh400.jpg","name":"For Development Arduino 4x4 Matrix 16 Keypad Module 16 Button Mcu","attrs":{"Price":"$0.45(1 - 99 Sets) $0.40(100 - 499 Sets) $0.35(>=500 Sets)","MOQ":"1 Set","Delivery Time":"Negotiable","Brand":"LAFVIN"}}

{"cid":"90853","pid":"19392281","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62329252_s-w400xh400.jpg","name":"1set 315Mhz Wireless RF Transmitter and Receiver Module Link Kit ARM\/MCU diy C186 WL 315MHZ\/433MHZ","attrs":{"Price":"$0.67(1 - 99 Sets) $0.65(100 - 199 Sets) $0.63(>=200 Sets)","MOQ":"1 Set","Delivery Time":"Negotiable","Brand":"LAFVIN"}}

{"cid":"90853","pid":"19392266","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62329205_s-w400xh400.jpg","name":"Micro:NodeMcu Lua WIFI Internet Development Board Based On ESP8266 CP2102 For Arduinos C091","attrs":{"Price":"$2.80(1 - 99 Sets) $2.50(100 - 499 Sets) $2.40(>=500 Sets)","MOQ":"1 Set","Delivery Time":"Negotiable","Brand":"LAFVIN"}}

{"cid":"90853","pid":"19392258","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62329138_s-w400xh400.jpg","name":"STM32F407VET6 Development Board IC MCU 32BIT 512KB FLASH STM32F407VET6 Z104","attrs":{"Price":"$2.85(1 - 49 Pieces) $2.80(50 - 99 Pieces) $2.75(100 - 499 Pieces) $2.65(>=500 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"LAFVIN"}}

{"cid":"90853","pid":"19392243","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62329075_s-w400xh400.jpg","name":"For ONU for Arduinos R3 + WiFi ATmega328P+ESP8266 (32Mb memory) USB-TTL CH340G for NodeMCU WeMos ESP8266","attrs":{"Price":"$5.20(1 - 49 Pieces) $5.00(50 - 199 Pieces) $4.70(>=200 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"LAFVIN"}}

{"cid":"90853","pid":"19392231","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62329012_s-w400xh400.jpg","name":"LAFVIN ATmega328P Controller Board CH340 Chip With Mini USB Cable For Arduino 3.0 V3.0 Nano","attrs":{"Price":"$4.20(1 - 99 Pieces) $4.10(100 - 499 Pieces) $4.00(>=500 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"lafvin"}}

{"cid":"90853","pid":"19392221","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62328966_s-w400xh400.jpg","name":"ATmega32U4 5V\/16MHz Pro Mini MCU Micro Module With Pin Header C038","attrs":{"Price":"$5.50(1 - 99 Pieces) $5.30(100 - 499 Pieces) $5.20(500 - 999 Pieces) $4.90(>=1000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"lafvin, LAFVIN"}}

{"cid":"90853","pid":"19392211","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62328930_s-w400xh400.jpg","name":"For R3 + WiFi ATmega328P+ESP8266 (32Mb memory) USB-TTL CH340G for NodeMCU WeMos ESP8266 C976","attrs":{"Price":"$6.00(1 - 49 Pieces) $5.70(50 - 99 Pieces) $5.50(>=100 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"other, LAFVIN"}}

{"cid":"90853","pid":"19392197","pimg_url":"\/\/img1.b2bforus.com\/6a\/04\/f5bfb5d47953\/product\/62328845_s-w400xh400.jpg","name":"Type-C \/ Micro USB 3.0 Nano With Bootloader Nano 3.0 Compatible Controller CH340 USB ATMEGA328P C020","attrs":{"Price":"$1.95(1 - 99 Pieces) $1.90(100 - 499 Pieces) $1.80(>=500 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"LAFVIN, LAFVIN"}}