CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit
...er is used for if. After ta2003 multiplication detection, the sound size is adjusted by digital potentiometer and sent to audio active filter circuit. Finally, LM386 drives speaker, and if frequency supports calibration setting..
Use 3 bs170 parallel outputs, class E amplification, 12V power supply, output power 5W! Relay switching is used for transceiver, with the function of transmitting delay adjustment to avoid frequent relay switching and improve the isolation of transceiver channel..
It has the function of automatically sending call signs, which is very convenient to use. The MCU uses the original code of our store, which can adjust the code speed, sidetone frequency and sidetone size. It can input the call sign by itself (in automatic key mode) and support power down saving..
The PCB board of this kit can be conveniently put into the 88 * 30 * 120mm aluminum chassis (the shell needs to be prepared by itself, and the opening size of the front and rear panels is in the mesh disk). Main indicators Power supply: 12V Working current: receiving ≈ 120mA @ 12V.
YXMY2020 Benchtop Digital Resistance Tester AT512 High-Precision DC Resistance Meter Low Micro Ohm Meter Tester 0.1u-110M Ohm with RS232 Handler Comparator for Testing Various Electronic Components
Measure from very low (0.1μΩ) to very high (110MΩ) with single instrument..
Along with capabilities for fast, precise measurements over a broad resistance range, AT512 also provides functions for comparator and PLC interface. Employing a four-terminal measurement method, AT512 is particularly suitable for measuring the resistance of motor and transformer windings, relay, switch and connector contacts, PCB patterns, inductor DC resistance and in shipping inspection tests..
DaierTek 12V Fuse and Relay Box 6 Slots Relay Block 6 Slots ATC/ATO Fuse and Relay Block with Relay Universal Waterproof Fuse and Relay Box Kit for Automotive Car Truck Marine Boat
Large Capacity Relay Holder – This relay box is 6 slots relay panel design, which includes 5 slots for 5 pin Bosch style relays, 1 slot for RTT7121 4 pin relay..
ATC/ATO Fuse Relay Box – This fuse block with relay is also 6 slots relay holder design for ATC/ATO fuses, which makes the fuse relay become safer when use..
Suitable Terminals – This 12v relay box will also come with terminals for relays and fuses, which will enables you to install and use the fuse and relay box at once..
Top & Bottom Cover – This relay box 12v automotive will come with a top cover and a bottom cover, which makes the relay fuse box become a waterproof relay box..
What you get – 1 x Fuse Relay Block with Top and Bottom Cover, 5 x Bosch Style 5 Pin Relay, 1 x RTT7121 4 pin relay, 16 x Blade Fuses(4 x 10A, 4 x 20A, 4 x 25A, 4 x 30A), 41 x Metallic Terminals, 1 Year Warranty. Feel free to contact us if confused..
Mageway 24VDC Heavy Duty Automatic Electric Gate Lock for Swing Gate Opener Gate Operator Automatic Gate Openers, Fail Secure Waterproof Solenoid Lock, Pre-Wired 16 ft UL Cable
STURDY AND STRONG - Provides additional protection from wind or other damaging forces.The steel case of the lock makes that it can provides secure protection to withstand up to 2200 lbs. of force, providing stability..
HIGH SECURITY - The automatic electric lock can provides peace of mind and added security for your gate opener system!.
UNIVERSAL - Adopt a 24VDC delay relay PCB, the electric gate lock is compatible with almost all 24VDC swing gate opener even it has no LOCK terminal!.
EASY TO INSTALL - DIY (Do It Yourself) installation design! Self-installation without the help of electricians and mechanics!.
EXCELLENT SERVICE - Backed by a 12 month Warranty and 7*24 hours Technical Support!.