Unwelded SIM800C GSM GPRS Module 5V/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51 MQ-137 NH3 Gas Sensor Module for Ammonia Allow 5-10 minute cool-down after
USD184.44
USD228.44
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Oct 15 - Oct 20
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Description
Unwelded SIM800C GSM GPRS Module 5V 3.3V TTL Development Board IPEX with Bluetooth for STM32 C51 MQ 137 NH3 Gas Sensor Module for Ammonia Allow 5 10 minute cool down after Allow 5 10 minute cool down after 2+ hours of continuous use ensuring proper voltage level conversion if using 5V logic
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