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On-board ST-LINK/V2-1 debugger/programmer — no external programmer needed
The AT89S51 is a low-power
4mm diameter
Application Air Condition Inverters Motor drives
Raspberry Pi 3 - Model B Technical Specification
MQ136 Hydrogen Sulfide Gas Sensor Module nucleo On-board ST-LINK/V2-1 debugger/programmer — noMQ136 Hydrogen Sulfide Gas Sensor Module H2S Detection The MQ136 is a semiconductor gas sensor designed to detect hydrogen sulfide (H2S) a toxic, flammable gas with a characteristic rotten egg smell. It uses a SnO2 sensing element that changes resistance in the presence of H2S. With analog and digital outputs, it's ideal for safety monitoring in sewage treatment plants, industrial facilities, and laboratory environments using Arduino or ESP32.
US$ 419.98
US$ 131.77
US$ 131.77
US$ 419.98
US$ 55.60
