WHDTS 4-Digit Digital Clock Kits with PCB for Soldering Practice Learning Electronics with English Instructions
⏰【Great School Science Project】: The DIY Clock Kits are used to installed to a 4-Digit Digital Electronic Clock. It is widely used in schools to help students learn basic mechanical and electronic skills. It's a great Science Fair project. Highly recommended to practice soldering skills enjoyably for you and your kids..
⏰【Easy Assembly】: In addition to teaching basic mechanical and electronic principles, the clock kit is easy to build and is so simple. The connection that was clearly mapped and labeled on the board makes it easy to assemble. It's often used to teach basic soldering skills. It's a great first kit for any STEM student. No programming is required..
⏰【Comprehensive Time Functions in Most Electronic Clocks】: Seconds Correction Function. Could switch to display the seconds or minutes interface independently. Accurate Travel Time--the error range ±1 sec every 24 hours. Hourly Chime Function--it supports hourly chime from 8:00 to 20:00 (The function can be turned on or off.). Two-way Alarm Clock--supports twice alarm clock setting. Power Cut Memory Function--the time is still accurate once power-on from power-off..
⏰【Parameters】: This Electronic Clock Kit is equipped with STC11F02E master chip. DC5.5*2.1 power port with....
BATTERY VOLTAGE MONITOR: The Voltmeter will Flash Constantly When the Voltage is Lower than 11.5V or Higher than 19.8V..
EASY TO INSTALL: Only Two Wires, The Red Connects to Positive and Black Connects to Negative. No separate power supply is required.
Mini size with 3-digit LED Digital Display. Simple connection, easy to use, and waterproof..
DC 12V MOTORCYCLE VOLTMETER: It is perfect to Monitor the Condition of the Battery, You can Use It on Your Motorcycle, Car, Trailer, and Boat Marine Vehicle Truck ATV UTV Car Camper Caravan, etc..
WIDE APPLICATION: Widely used for cars, motorcycles, bikes, substation automation, distribution automation, test equipment, voltage regulator, and so on..
LARGE LED DISPLAY:Operation voltage: DC 8 – 16 Volt.
Display mode: 0.56 inch digital tube. The display shows L.L.L. to warn when the voltage is below 8 Volt.
the Display shows H.H.H. when the voltage is over 16 Volt..
DC Power Supply Variable, 30V 10A Bench Power Supply with Memories, Output Switch, Adjustable Switching Regulated Power Supply with 4-Digits Display, Encoder Adjustment Knob
High Precision with 4-Digit and Power Display: Kungber 30V 5A DC benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.001A. You can easily tune it within 0-30V and 0-5A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions..
Constant Voltage (C.V.) & Current (C.C.) Mode Automatic Conversion: Easy to dial in the desired voltage and current with the coarse and fine adjustment knob. The constant voltage/current mode can automatically switch with load changes. The conversion of constant voltage and constant current is indicated by the LED display on the front panel..
Compact and Various Application: This DC power supply is less than 3 lb and measures only 9.5 x 3.4 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 5V/2A USB Interface could charge your cellphone and provide power for the device which you want to repair, no worry about running out of power..
Reliable and Safety: Many safety measures are adopt in Kungber DC bench power supply- Grounding wire, Leakage protection, Therma....
【High Precision with 4-Digit and Power Display】LONGWEI 30V 10A DC benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.01A. You can easily tune it within 0-30V and 0-10A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions..
【High Quality with Essential Safety】Safety is our priority. Grounding wire, The power supply takes the function of limited flow protection, overpower protection, over temperature protection, voltage overload protection. greatly improving its working efficiency and lifespan!.
【Excellent Heat Dissipation】Equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, Intelligent fan offers excellent heat dissipation effect, which reduces the noise and prolongs the life of product effectively.( When the internal power supply reaches a certain temperature, the fan will automatically turn on for heat dissipation).
【Compact and Various Application】This one weighs less than 2kgs and measures only 2.7*8.6*6.3inches, Applies for laboratory, school, home, electronic repair DIY, aging test and other requirements....
CENTOLLA 3D LED Wall Clock, 8.4" Digital Wall Clock, LED Clock with 3 Adjustable Brightness Levels for Home Kitchen Office(with Cable but NOT Battery Operated)
LED WALL CLOCK--:With large 3D LED digit, you can read the real time in a long distance. With 54 LED Light Beads. Can remote view, no blue light. This alarm clock has 12/24 Hour Display..
LED CLOCK: it has notches on the back for mounting, stand is removable, can be easily hung on the wall as a wall clock, or place it on the desktop arbitrarily..
DIGITAL WALL CLOCK: Simple and compact design with novelty shape, fits well in any modern, industrial or contemporary environments. NOTE: The alarm is still a little bright even in night mode. We do not recommend that the people who are sensitive to light put it in the bedroom..
3D CLOCK can only work with power connected . It can be connected with USB cable or AC adapter. USB cable is equipped with the alarm clock when ship.
DIGITAL LED CLOCK: Adjustable Brightness with 3 intensity levels to accommodate different needs. It is a fantastic Christmas gift for children or teens..
