TM1637 4 Digit 7 Segment LED Display ESP-12 D1 Mini V2 Board ```html MQ-135 Gas Sensor -
USD93.28
USD129.28
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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
Description
TM1637 4 Digit 7 Segment LED Display ESP 12 D1 Mini V2 Board ```html MQ 135 Gas Sensor ```html MQ 135 Gas Sensor Air Quality Detection for NH3 5 ms to 25 Expert technical support included get help with wiring The Engineer Store offers competitive pricing
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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