Description: Kit Name: ICL7107 Voltmeter DIY Kit.  PCB size: 70.6*39mm.  Head mounting opening size: 77*40mm.  Display window size: 51*24mm.  Electrical parameters:    Working voltage: DC5V.  Working current: 35mA.  Measurement accuracy: It can be calibrated to get higher precision and no parameters at present.  Measuring...

Parameters:    Recommended working voltage: dc8v-15v.  Display time: 24h mode.  Display temperature range: 0-100 ℃.  Automatic adjustment: display brightness (the display becomes dark when it is dark and bright when it is bright).  Adjustable: year, month, day, week, hour, minute, alarm and hour.  Compatible...

Feature:  Type: Solder Type Socket;  Use: DIP IC Socket;  11 Value Total: 95pcs.     Product includes:  18 x 6 pins-DIP IC Sockets;  12 x 8 pins-DIP IC Sockets;  9 x 14 pins-DIP IC Sockets;  9 x 16 pins-DIP IC Sockets;  9 x 18 pins-DIP...

Feature:  Board size: 5.8*3.7cm.  Power supply voltage: DC6.8-12V.  Note: This is an unassembled kit and you need to solder it.  Package includes:  1 x DIY KIT

Description:  Power Supply: AC 10A 250V;  Terminals Number Switch: 3Pin, Socket: 3Pin;  Total Size(Approx) : 5 x 3 x 2cm / 2' x 1.2' x 0.8'(L*W*T);  Pannel Mouting Size:  47 x 27mm/1.9' x 1.1'(L*W);  Color: Black, Red.     Package Included:  1 x 3Pins Rocker Switch.

Feature:  Circuit board size: 5.2*5.6CM;  Power supply voltage: 3-5V;   Note: No manual SUPPORT.   Package includes:  1 x PCB board;  18 x LED;  3 x resistor 100ohm;  3 x resistance 10K;  3 x Triode 9014;  3 x 47UF capacitor;  1 x battery box

Description:  Voltage measurement range: AC130-500V, resolution: 1V;  Current measurement range: AC0.0-99.9A, resolution: 0.1A;  Measurement accuracy: 1% ± 2 words;  Display: 0.39 inch LED digital tube display, voltage - red, current - green;  Measuring speed: about 2 times per second;  Dimensions: 70 × 40 ×...

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...

Description:  Output voltage range: 1.20V-12V (regulated output is continuously adjustable).  Power supply: 2W.  PCB board size: 7.3cm*6.3cm.  Shell size: 11cm*6.9cm*5cm.  Package net weight: 283g.  - One channel of adjustable signal generator output, convenient to provide pulse signals to the test circuit.  - With 1ogic pen function, it is convenient to test the 1ogic level of the circuit.  - With 1 buzzer. Mind whether the test lead is on or off (connect the lead to the power supply and signal input terminal, the lead is on-the buzzer sounds).   - You can also test low-frequency signals (input the signal from the signal input terminal, if there is a signal, the buzzer will sound).  Package Included:  1 x Power Supply Board Kit

Feature:  When alcohol vapor exists in the environment where the sensor MQ-3 is located, the conductivity of the sensor will increase as the alcohol vapor concentration increases. By measuring the series partial pressure between the sensor and the fixed resistor, the alcohol content in...

Specifications:     Working voltage : 3.5-12 V.  Item size : 37 X 41 mm.  Speaker  : 1pcs 0.5W-10W ( Excluding in the package ).     Package Listing:     PCB x1.  10K variable resistor x1.  Potentiometer knob housing x1.  Pin 6-pin.  1K resistor x1.  10...

Package Included:  1 X 2560 r3 Board;  1 X USB Cable;  1 X Jump Cable;  1 X Breadboard;  5 X LED Light;  1 Pack Resistor;  1 X Female to male dupond line;  1 X Potentiometer;  1 X Buzzer;  1 X 74HC595;  1 X Infrared...

Feature:  Ultra-small size stereo level lights, light bar can be adjusted to rise, the rate of decline and peak lamp residence time, the rate of decline. Each lamp set up a separate current limiting resistor, Ensure the same brightness of the different color lights,...

Feature:  -Protect the audio input device (if there is no protection circuit, this type of product can easily cause the failure or even damage to the electronic device! For example, if the mobile phone is touched, the touch screen will malfunction, and if it...

Description:  Product Name: Programmable Creative Smart Clock;  Power adapter: 5V 1A;  Input limit voltage: less than 5.5V;  Input limit current: less than 1000ma;  LED clock color: highlight blue / highlight red;  LED clock size: 105*86*32mm;  USB cable specification: 1M micro USB cable.     6...

1.1602 I2C 1602 replaced the screen to control it more convenient,  2.New RFID module and RFID keychain and white card,  3. Added DS1302 clock module,  4. New of the sound detection module,  5.New temperature and humidity module,  6. New water level detection module,  7....

Features:  1.The empty and full voltage of battery can be adjusted.  2.The backlight automatic open when using.  3.Automatic memory function when power down.  4.Fast resp0nse rate.  5.Low power consumption, automatic wake-up.     Display:  1.Residual capacity of battery (Ah or mAh).  2.Capacity percentage and totem...

DSO138mini brings in the following improvements:      Better structure and smaller size. The bulky pin-headers connecting the LCD and main board in old DSO138 has been eliminated. The soldering of these pin-headers has being found problematic for beginners.  USB or battery powered. This makes...

DSO Shell (DSO150) Oscilloscope DIY Kit:  1. DSO Shell has similar bandwitch as DSO138 though it contains significant improvements in structure, mechanical, and operation.  2. Display and MCU are now mounted on the same board (mainboard) to avoid using inter-board pin-headers. Feedback from DSO138...

DSO Shell (DSO150) Oscilloscope DIY Kit:  1. DSO Shell has similar bandwitch as DSO138 though it contains significant improvements in structure, mechanical, and operation.  2. Display and MCU are now mounted on the same board (mainboard) to avoid using inter-board pin-headers. Feedback from DSO138...