Skip to main content

SONOFF® POW 16A 3500W DIY WIFI Wireless Long Distance APP Remote Control Switch Socket Power Monitor Current Tester For Smart Home 80-160MHz AC 90-250V Support 2G/3G/4G Network COD - (zggml)

Popular posts from this blog

JK03 220V AC Time Delay Relay Control Module with Trigger Delay 5min Adjustable NE555 10A

Buy JK03 220V AC Time Delay Relay Control Module with Trigger Delay 5min Adjustable NE555 10A Features:   - Function: After connecting to 220V, the output is off. When triggered, it outputs 220V. After the arrival time, the output is turned off. - Direct 220V output. The external power cord, load, and button work. Easy to use. - High-quality original Songle relay for switching currents up to 10A. It is equipped with normally open and normally closed points and can be connected as required. - Delay adjustment time length potentiometer is continuously adjustable.  - The main control adopts NE555 monostable circuit with accurate delay. - Control part of the power supply adopts RC step-down, the capacitor adopts X2 capacitor conforming to safety regulations, step-down resistor - 3W high-power resistor, filter capacitor up to 470uF, ensuring stable and reliable power supply. - FR-4 glass fiber board is adopted, which is suitable for the mains demand and is not easy to produce leakage elect
Read more

MQ137 Gas Sensor Module MQ-137 Ammonia Sensor Module NH3 Sensor Module

Buy MQ137 Gas Sensor Module MQ-137 Ammonia Sensor Module NH3 Sensor Module Description:   Size: 32mm X22mm X30mm length * width * height Main chip: LM393, NH3 gas sensing probe Working voltage: DC 5V   Features:   1. It has a signal output indicator indication; 2, dual signal output (analog output and TTL level output); 3. The TTL output valid signal is low level; (when the output low level, the signal light is on, it can be connected to the IO port of the single chip) 4. The analog output increases with increasing concentration, and the higher the concentration, the higher the voltage; 5. High sensitivity and selectivity to ammonia; 6. Has a long service life and reliable stability; 7. Fast res ponse recovery features; 8. With mounting holes for easy installation; 9. The probe can be plugged and unplugged for easy testing.   Application:   Harmful gas detection device for home and environment, suitable for the detection of ammonia vapor, ammonia gas sensor test concentration rang
Read more

50pcs 10x10x10mm Six-sided Copper Fixed Block Six Sides Nut Plate Connection Block 10 * 10 * 10 Square Fixed Block

Buy 50pcs 10x10x10mm Six-sided Copper Fixed Block Six Sides Nut Plate Connection Block 10 * 10 * 10 Square Fixed Block Description: Six-sided copper fixing block, nickel-plated surface, can keep the silver surface permanently Dimensions: 10 * 10 * 10mm 3mm tapped holes at the center of each side (can be used with ordinary 3mm screws) This fixed block can be used to easily combine flat plates into a body container or shell. Package included: 50 x Six-sided Copper Fixed Block 50pcs 10x10x10mm Six-sided Copper Fixed Block Six Sides Nut Plate Connection Block 10 * 10 * 10 Square Fixed Block Buy Now
Read more