3pcs FT232RL FT232 RS232 FTDI Micro USB to TTL 3.3V 5.5V Serial Adapter Module Download Cable for Mini Port

Buy 3pcs FT232RL FT232 RS232 FTDI Micro USB to TTL 3.3V 5.5V Serial Adapter Module Download Cable for Mini Port

Features:

- Adopt FTDI FT232RL chip;

- Leads out all signal ports of the FT232RL chip, TTL/CMOS level;

- RXD/TXD transceiver communication indicator;

- USB powered, selectable 5V or 3.3V interface level (if other levels are required, the target voltage can be supplied directly on the VCC and GND pins)

- Size: 21x31mm

Package Included:

3 x FT232RL FT232 RS232 FTDI USB to TTL 3.3V 5.5V Serial Adapter

3pcs FT232RL FT232 RS232 FTDI Micro USB to TTL 3.3V 5.5V Serial Adapter Module Download Cable for Mini Port Buy Now

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

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Download Now Server 1 Download Now Server 2 Download Now Server 3 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 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

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

Koa Choi

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