Features:
1. Digital tube displays time, temperature, date
2.13 kinds of LED seconds display
3.Time setting can be saved after power down
4.4 independent alarm clocks, alarm mode can be set.
5. DS1302 clock chip
6. Speaker sound output
7. Volume is adjustable
8...
Manual: https://github.com/2969773606/GeigerCounter-V0.8Features:Sound and light alarm ways can better remind you, give you a better use experience.This product uses an NE555 integrated circuit and peripheral electronic component to form an oscillator, and transmits power to the diode voltage double..
Specification: Name: 32-bit Rocker Making KitLight color: Green/Red/Blue/Purple/Yellow/PinkCircuit board size: 2.6CMX33CMShell size 34.2CMX3.7CMX2.4CMOperating voltage: 4 AA batteries (the kit does not include batteries)Package included:1 x 32-bit Rocker Making Kitor1 x STC MCU downloaderor1 x Shell..
Note: This is a DIY kit, you need to assembly it, supply schematic diagram only.
Feature: Constant current outputWide operating voltage: 3.5V - 12VALC circuits do not need to connect diodes or transistorsThe brightness level can be adjustedThe circuit boa..
Description:
This is an adjustable color rainbow clock, each of which digit can be adjusted to a favorite color, or set to a different color gradient aurora effect, each segment of each digital tube number is in a gradient, a clock can be displayed All the colors of the rainbow. T..
Features:- LED dot matrix module display time, temperature, date, week and other information;- 8 different spectrum effects- 7 different clock effects- 8 levels of brightness adjustment function, built-in photoresistor, can automatically adjust the brightness according to ambient light, can also sp..
Feature: Power consumption: display full bright 42ma, single lamp display 4ma (the digital tube has a word on one side of the pin is positive)Measuring range: General battery within 2.4-20VDisplay mode: Multiple light bar display or single light spot displayPcb board size: 2.6 x 4..
Notice:1. This product requires soldering.2. The case needs to be purchased separately.3. Please confirm that the separate shell option or DIY kit option has been selected before purchasing, the price difference is large, so as to avoid unnecessary misunderstandings.Documents: (Contact Us)User Manua..
Feature:This product is component without battery core.It is used to repair and assemble batteries pack, only for people who are familiar with battery performanceand have practical experience in battery assembly.No Original, 100% Brand New, No Battery Cell !It can fill 15 pieces of 18650 li-ion batt..
Package Included:1 X 2560 r3 Board1 X USB Cable1 X Jump Cable1 X Breadboard5 X LED Light1 Pack Resistor1 X Female to male dupond line1 X Potentiometer1 X Buzzer1 X 74HC5951 X Infrared receiver1 X LM351 X Flame Sensor1 X Ball Switch1 X Photoresistor1 X Key button1 X Remote control1 X 4-digit display ..
Feature:The smart home kit based on Micro:bit.It contains a micro:bit board,a 1602 LCD, XHT11 temperature and humidity sensor, a MQ-2 sensor, a PIR motion sensor, LED modules, 6812 RGB and a Bluetooth module and so on.With these sensors and modules performing their functions,the smart homw can detec..