This digital oscilloscope DIY kit is is simple and useful in operation. The equivalent-time sampling rate is 20MSa/s and the analog bandwidth is 3MHz. It is excellent as an educational/training project for students/hobbyists. Features:Except for integrated circuit, most of components are with pins, simple and useful in operation.Adopts modular design, making it circuit componentized for some functions, so that reduce the difficulty.Maximum equivalent-time sampling rate is 20MSa/s and maximum real-time sampling rate is 2Msps.1 Channel, resolution is 8 bits, analog bandwidth is 0-3MHz.Max. input voltage: 50Vpk (1x probe), [400Vpk for 10x probe].Vertical sensitivity 10mV/Div to 5V/Div.Auto/Normal/Single trig modes and Rising/Falling edge trigger.FFT function is available.Battery (NOT included) / USB powered. Specifications:Oscilloscope:Number of Channel: 1Analog Bandwidth: 0-3MHzVertical Sensitivity: 100mV/Div-5V/DivResolution: 8bitInput Impedance:[…]

Main Features:– Multi-functional: Including measurements of AC / DC voltage and current, resistance, capacitance, frequency, duty cycle, transistor, diode and continuity test.– Equipped with sound and light alarms against misconnection of test leads.– The meter has both manual range and auto range switching.– Measuring of hFE of transistor and capacitance by using the special multi-function socket for more accurate value.– Display relative measurement in all functions except frequency.– Data holding, to hold the readings while taking measurement.– Back-stand is included for convenient operation.– 3 3/4 digits LCD with backlight. (press LIGHT for backlight on)– Auto power off and low battery indication.– Automatic indication of functions and unit symbols.– Built-in resettable fuse.– Full overload protection and dual insulation protection.– Detachable overmolding[…]

Main Features: 3000 counts LCD display Full automatic measurement Auto scanning the Resistance / capacitance / Diode Function selection by one FUNC push button Data hold function Continuity checking function Over load indication ( OL ) Low battery indication Power supply: 3V Lithium Battery CR2032 ( not included ) Auto power off. If the Tester is idle for more than 10 minutes, the tester will automatically turn off the power General Brand MASTECH Model MS8910 Quantity 1 piece Form Color Green Material ABS Specification Screen Size 1.6 inch Powered By 3V Lithium Battery CR2032 Battery Number 1 Battery included or not No Dimensions & Weight Dimensions 6.89 in x 1.26 in x 0.79 in (17.5 cm x 3.2 cm x 2 cm) Weight 1.62 oz (46 g) Packing List 1 x Tester2[…]

Feature:100% Brand new and high quality.Digital LCD screen gives clear crisp number readings.Handles up to 100 amps intermittently and 50 amps continuous duty.Connecting load end to the battery provides real-time battery charging reading.Handles 0 to 60 volts. Works on 12, 24, 36, and 48 volt battery bank systems.Extremely low power consumption of 7 mA. More efficient than any LED meter.Measure energy(wh),charge(ah), power(w),current(A) and voltage(V).Accurate & precise 0.01 A current and 0.01 V voltage resolutions.Measures-peak-Amps, peak-Watts(except for Doc Wattson) and Voltage minimum(sag).Rugged- handles 50A continuous and 100 A-peak at 60V.Acts like a wire so doesn’t affect model’s performance. Precision Alu-Chrom current sensing resistor, with only 0.001 Ohms resistance and circuitry that draws only 7 mA.USes DSP to increase ADC resolution and[…]

Features:Display Count: 2000Manual Range: √Jaw Capacity: 28mmDiode: √Continuity Buzzer: √Low Battery Indication: √Data Hold: √MAX Mode: √MIN Mode: √Input Impedance for DCV: Around 10MΩ Specifications:Model: UT202AAC Current (A): 20A/200A/600A ±(1.5%+5)AC Voltage (V): 2V/20V/200V/600V ±(1.2%+5)DC Voltage (V): 200mV/2V/20V/200V/600V ±(0.8%+1)Resistance (Ω): 200Ω/2KΩ/20KΩ/200KΩ/2MΩ/20MΩ ±(0.8%+3) General Characteristic:Product Net Weight: 220gProduct Size: 210mm * 75.6mm * 30 mmPower: 9V Battery(6F22) * 1 (not included)LCD Size: 35.6mm * 18 mm General Brand UNI-T Model UT202A Quantity 1 piece Form Color Red + Grey Material ABS Specification Screen Size 35.6 x 18mm Max. Display 2000 DC Voltage 200mV/2V/20V/200V/600V ±(0.8%+1) AC Voltage 2V/20V/200V/600V ±(1.2%+5) AC Current 20A/200A/600A ±(1.5%+5) Resistance 200/2K/20K/200K/2M/20M ±(0.8%+3) Short Curcuit Buzz Yes Powered By 9V Battery (6F22) Battery Number 1 Battery included or not No Dimensions &[…]

Main Features:– 4000 counts LCD display– Perform measurements of AC / DC voltage and current, resistance, capacitance, frequency, duty cycle, diode and continuity test– Measuring frequency, AC/DC current and duty cycle by clamp– LCD with backlight and clamp lighting bulb– Relative value measurement and auto range function– Data holding, to hold the readings while taking measurement– Maximum and minimum value measuring and holding– Automatic indication of functions and unit symbols– Auto power off and low battery indication– Over-molding rubber case, shake-proof, skid-proof and good touch-feeling– Provided with one excellent cloth bag for conveniently-carrying– Powered by 3 x AAA batteries (not included) General Brand aimometer Model MS2108A Quantity 1 piece Form Color Black + Green Material ABS Specification Screen Size 2 inch Max.[…]

Operates from 4.8V to 60V – 0V with optional auxiliary battery 0V with optional additional battery. Measures 0 to 65Ah with a resolution of 0.001Ah. Measures 0 to 130A with a resolution of 0.01 A. 16 x 2 backlit LCD display. Measures 0 to 60V with a resolution of 0.01 V Measures 0 to 6554W with a resolution of 0.01 W Operates from 4.8V to 60V – 0V with optional auxiliary battery0V with optional additional battery. Measures 0 to 65Ah with a resolution of 0.001Ah.Measures 0 to 130A with a resolution of 0.01 A. 16 x 2 backlit LCD display.Measures 0 to 60V with a resolution of 0.01 VMeasures 0 to 6554W with a resolution of 0.01 WHow often do[…]

This DSO138 digital oscilloscope kit adopts ARM Cortex-M3 processor and with 2.4-inch TFT screen. It’s easy and reliable for circuit operation. It can display frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values. Features:This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen, can be used as ARM test development board.Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.Adjustable vertical displacement, and with instructions.With automatic, regular and one-shot modes, easy to capture the moment waveform.Available rising or falling edge trigger.Observable previous trigger waveform (negative delay).Can freeze at any time waveform display (HOLD function).Comes 1Hz /3.3V square wave test signal source.With waveform parameter digital display, including frequency,[…]

This DSO138 digital oscilloscope kit adopts ARM Cortex-M3 processor and with 2.4-inch TFT screen. It’s easy and reliable for circuit operation. It can display frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values. This boost converter is an excellent match for DSO138 oscilloscope kit. It can be connected directly to the DSO138 motherboard(not included), make DSO138 oscilloscope to be a portable oscilloscope for better use. Features:DSO138 Kit:This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen, can be used as ARM test development board.Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.Adjustable vertical displacement, and with instructions.With automatic, regular and one-shot modes, easy to capture[…]

This DSO138 digital oscilloscope kit adopts ARM Cortex-M3 processor and with 2.4-inch TFT screen. It’s easy and reliable for circuit operation. It can display frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values. This boost converter is an excellent match for DSO138 oscilloscope kit. It can be connected directly to the DSO138 motherboard(not included), make DSO138 oscilloscope to be a portable oscilloscope for better use. Features:DSO138 Kit:This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen, can be used as ARM test development board.Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.Adjustable vertical displacement, and with instructions.With automatic, regular and one-shot modes, easy to capture[…]

This DIY digital oscilloscope kit adopts ARM Cortex-M3 processor and with 2.4-inch TFT screen and protective case. It’s easy and reliable for circuit operation. It can display waveform parameters, such as frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values. Features:Adopt ARM Cortex-M3 processor (STM32F103C8), and include a 2.4-inch color TFT display screen.Used for secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.Come with instructions, easy to install and operate. With Auto/Normal/Single trigger modes, easy to capture the moment waveform.Available rising or falling edge trigger.Observable previous waveform before trigger(negative delay).Can freeze waveform display at any time(HOLD function).With waveform parameter digital display, including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values.Waveform storage function: will[…]

Frequency: 2.4GGyro: 6-axisProduce Size: 9.5*9.5*5CMPackage Size: 14*18*5.5CMBattery: 3.7V (150MAH) (included)Remote Controller Battery: 2*1.5V AA Battery (Not included)Flying time: about 5 minutesCharging time: about 30-50 minutesFlying distance: 30 meters Function:Ascent/Descent, Forward/Backward, Turn left/right, Left/Right side flight, High/Low speed gear, 360° rotation, One key return, Headless mode.Super mini size, 9.5 x 9.5 x 5CM. Small and nimble. 4-blade propeller and 360° propeller protection design, not only offer better protection for the drone, but also enhance the safety of flight.360° Flip and Rolls, the drone can fly forward/backward/leftward/rightward freely. The breakthrough headless mode enables the operator to control the course of the drone freely.High/Low speed-shift, you can choose the gears according to your operation proficiency.One key return mode avoid lost aircraft and bring[…]

One no camera, one is wifi camera!The price difference is there is no wifi camera.With 3D flips “n” roll,can make your flight more funny. 2.4G technology adopted for anti-interference.even more than one quadcopter is flying at the same time they will not interfere with each other.6-Axis gyro quad-rotorcraft flight, strong stability,can easily implement various flight movements, stronger wind resistance, easier to control.With LED light, become more secure in the night sky. Description:Frequency: 2.4GHzChannel: 4-ChannelsAxis: 6-AxisCopter battery: 3.7v 380mAhFlying time: About 6minsCharging time: About 120minsControl distance: about 50mProduct size:13.7*13.7*3.5cm General Model FQ777 124 Form Color Black without Camera Material Plastic, Carbon Fiber, Metal Quantity 1 set Shade Of Color Black Specification Gyroscope Yes Channels Quanlity 4 channel Function Others Remote Type Radio Control[…]

This multifunctional multimeter with high precision and high performance can measure AC/DC voltage, current, resistance, capacitance, frequency, duty ratio. It also can test NCV(non-contact voltage), live line, diode, transistor and continuity. With a bracket on the back, convenient to place it on the table and read the values. Features:Can measure AC/DC voltage, current, resistance, capacitance, frequency, duty ratio.Also can test NCV(non-contact voltage), live line, diode, transistor and continuity.PM18C is specially designed with temperature measurement function.Data hold function, “SEL” key for some functions selection.LCD display with backlight and lighting, convenient to use.Powered by 4 batteries(not included).Auto power off. Specifications:Display: LCD Display with Backlight, 6000 countsOperating Environment: 600V CAT IV and 1000V CAT IIIDC Voltage Range: 600mV/6V/60V/600V/1000VDC Voltage Resolution: 0.1mV/1mV/10mV/100mV/1VAC Voltage Range:[…]

Specifications:Voltage supply: 9~12V DC InputWaveforms: Square, Sine & TriangleImpedance: 600 Ohm + 10%Frequency: 1Hz~1MHzSINE wave:Amplitude: 0~3V at 9V DC inputDistortion: Less than 1% (at 1kHz)Flatness: +0.05dB 1Hz~100kHzSQUARE wave:Amplitude: 8V (no load) at 9V DC inputRise Time: Less than 50ns (at 1kHz)Fall Time: Less than 30ns (at 1kHz)Symmetry: Less than 5% (at 1kHz)TRIANGLE wave:Amplitude: 0~3V at 9V DC inputLinearity: Less than 1% (up to 100kHz) 10mA The welding installation considerations, follow these steps:1. The components are welding the front board, from low to high principles, namely the first low welding components, such as, capacitor, resistor, diode, etc.2. Welding IC socket, terminal blocks, finally power socket, adjustable potentiometer.3. The back with a diagonal cutting pliers to cut short the pins as far[…]

Features:100% Brand new and high quality!Through your detector, everywhere you can explore the coins, jewelry, gold and silver.It is universal and very easy to use.Two modes of operation,all metal mode,  recognition modeAdjust the speaker and headphone volume for volume adjustment.Adjustable rod,you can adjust the length.Waterproof probe which can use metal detectors in shallow water. Specifications:Color:blackItem Size:550*230*120mmPower: 2 9V x (6F22)Frequency: 5 KHzCurrent: static: 10mAMax: 70mAVoltage: 7.2-9.6VSensitivity: US 25 Cent: 130mmDisplay Mode: mechanical pointer modeExpansion length: 30.7-42.1 inchesDetecting disk diameter: 6.5 inches General Model MD-4030 Quantity 1 piece Form Color Black Material N/A Specification Powered By 9V (6F22) Battery Number 2 Battery included or not No Dimensions & Weight Dimensions 21.65 in x 9.06 in x 4.72 in (55 cm x 23[…]

Description:– Model : P4100– Color : Black– Material : Plastic– Input resistance : 100Mohm– Input capacitance : 100X (6pf)– Attenuation : 100X– Compensation range : 10pF~35pF– System bandwidth : DC 100MHz– Input voltage : 100X <2KV ; DC+AC Vp-p– Working temperature : -15’C~75’C– Cable length : 120cm– Humidity : No more than 85% RH General Model P4100 Quantity 1 piece Form Color Black Material Plastic Dimensions & Weight Dimensions 9.84 in x 0.39 in x 0.39 in (25 cm x 1 cm x 1 cm) Weight 3.53 oz (100 g) Packing List 1 x Probe1 x Detachable accessory All packages from DX.com are sent without DX logo or any information indicating DX.com. Due to package variations from suppliers, the product packaging[…]

Description:1) 1.8-inch high-definition TFT color screen;2) Support TF card, up to 64GB3) With Bluetooth function4) Supports FLAC, APE, and other lossless full-format;5) Supports Video Playback, e-books (support bookmarks);6) Supports HD recording, radio (Has been stored 30 Radio Stations);7) A variety of audio (EQ), a variety of Play Modes);8) Zinc alloy CNC artwork with first-class felling;9) Play music at more than 80 hours, listening songs wtih reading books could be finished at simultaneously; Product SpecificaitonBluetooth version: Bluetooth 4.0Display screen: 1.8inch  160*128px TFT screen                Operation  mode: Key  Memory capacity: 8GBUSB connection: USB2.0 Extension card: Support Micro SD (TF) card, to    64GB Work  time: About 80 hours                    […]

Highlights:Comfortable ear pads on-ear foldable headphone designGood and clear sound surround your ears meet your music needEquipped with LCD screen to display track information (protective film on the screen)Play music directly from an external TF card (not included in the packing), no built-in memoryMusic play mode: All, One, FolderEquipped with ” play/pause” , “volume+/- ” adjustment and “Music+/-” and “FM” buttonsFunctions as both an MP3 player and earphone with AUX cable (not included in the packing)External lithium battery can be charged in the headset or out of the headsetSupports FM radio 64-108Mhz              Notes: 1-10 radio stations available, the number of radio stations is depended on if the radio searching enviorment is open or closed[…]

About transistor Multifunction Tester:The tester uses 3.7V rechargeable lithium battery (battery model: 14500) powered portable design, but you can use the T-MICROUSB outlet to charge the battery and power the system for a long time in the indoor use of more economical and convenient, eliminating the need always to be replaced battery of economic input! Features:one key measurement operation, auto power off delay. Shutdown current is only 20nA, support for battery operation.Automatic detection PNP and NPN bipolar transistor, N, P-channel MOSFET, JFET FET, diodes, two diodes, thyristors, resistors, capacitors, inductors. Automatic detection pin definitions.measuring the current amplification factor (B) of the bipolar transistor and the turn-on voltage of the emitter junction (Uf). Darlington transistor amplification factor can be identified by the[…]