Search results for "diy electronics"

1. Voltage range: 0-100V (DC)2. Voltage range: automatic, 1V, 10V, 100V3. Resistance: 0-200 ohms4. Resistance range: automatic, 20 milliohms, 200 milliohms, 2 ohms, 20 ohms, 200 ohms5. Instrument test signal frequency: AC 1Khz6. Charging: TYPE-C interface (5V/1A)7. Built-in battery: 1000mAh lithium battery8. Stable support, integrated folding bracket9. Firm and reliable without occupying space, back hanging hole gourd nail design10. Place on the desktop to work without slipping, silicone anti-slip design11. According to actual needs, you can freely choose the automatic shutdown mode or set a specific shutdown time, which is safe to use and can extend the life of the device12. One-click pause, memory stay, data retention13. The test uses a customized Kelvin 4-wire connection method to connect and measure, avoiding the influence of wire resistance and contact resistance, improving test accuracy15. Eight sets of voltage resistance values ??are pre-set, whether it is batch screening of high-quality batteries or precise positioning of problem batteries, it can be completed in an instant, greatly improving work efficiency16. Using TFT high-definition color screen, functional data is clear at a glance, and visual recognition efficiency is faster and smoother17. Size: 158.7x80.5x28.4mm18. Weight: 225gSpecification: Package Weight One Package Weight 0.45kgs / 0.99lb One Package Size 22cm * 14cm * 9cm / 8.66inch * 5.51inch * 3.54inch Qty per Carton 15 Carton Weight 23.80kgs / 52.47lb Carton Size 64cm * 39cm * 46cm / 25.2inch * 15.35inch * 18.11inch Loading Container 20GP: 232 cartons * 15 pcs = 3480 pcs40HQ: 539 cartons * 15 pcs = 8085 pcs

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Overview1. Sensitive for alcohol, ethanol2. Output voltage boosts along with the concentration of the measured gases increases3. Fast response and recovery4. Adjustable sensitivity5. Signal output indicatorSpecifications1. Power: 2.5V ~ 5.0V2. Dimension: 40.0mm * 21.0mm3. Mounting holes size: 2.0mmApplications1. Car alcohol alarm2. BreathalyserHow to UseIn the case of working with a MCU:1. VCC: 2.5V ~ 5.0V2. GND: Power supply ground3. AOUT: MCU.IO (analog output)4. DOUT: MCU.IO (digital output)Package Contents1. MQ-3 Gas Sensor x12. 4-pin custom connector jumper wire x1Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 5cm * 4cm * 1cm / 1.97inch * 1.57inch * 0.39inch Qty per Carton 4800 Carton Weight 288.00kgs / 634.92lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 4800 pcs = 1329600 pcs40HQ: 644 cartons * 4800 pcs = 3091200 pcs

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Specification1. USB: - USB 2.0 x 2 - USB 2.0 x 2 (via FFC connector) 2. GPIO: Raspberry Pi 40 PIN GPIO x 1 3. Header: M.2 slot x 1 4. HD media interface: HDMI x 2, 1x via FFC connector, support 4K 30fps output 5. DSI display: MIPI DSI x 1 (15pin 1.0mm FPC) 6. CSI camera: MIPI CSI-2 x 2 (15pin 1.0mm FPC) 7. Power input: 5V 8. FAN: 5V / 12V (no fan control) 9. RJ45 Ethernet: Gigabit Ethernet 10. CM4 slot: Suitable for all variants of Compute Module 4 11. SD card slot: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 12. Size: 85.0 x 56.0mmPackage List1. CM4-IO-BASE-B x 1 2. Metal case (top and bottom) x 1 3. Fan-4010-PWM-5V x 1 4. Screwdriver x 1 5. Screws pack x 1 6. 5V 3A USB-C power adapter x 1Specification: Package Weight One Package Weight 0.41kgs / 0.89lb One Package Size 16cm * 12cm * 5cm / 6.3inch * 4.72inch * 1.97inch Qty per Carton 40 Carton Weight 16.50kgs / 36.38lb Carton Size 50cm * 32cm * 27cm / 19.69inch * 12.6inch * 10.63inch Loading Container 20GP: 617 cartons * 40 pcs = 24680 pcs40HQ: 1432 cartons * 40 pcs = 57280 pcs

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1. One EMF Tester with two uses, testing the electric field and the magnetic field radiation at the same time.2. Measure radiation of high voltage power lines, appliances, electrical wires.3. Sound-light alarm, when the test result exceeds the safe value, the instrument will alarm automatically.4. Data hold and max measurement, one-key lock the radiation value.5. Large & clear LCD display of the values for easy reading.6. Easy to operate with easy one-hand operation, easy to carry and make field measurement.7. Can measure the environment temperature with 2 temperature units (C/F).8. Electric field strength range: 0~1999V/m9. Electric field strength resolution: 1V/m10. Magnetic field strength frequency range: 20Hz~300Hz11. Electric field strength frequency range: 20Hz~3500MHz12. Power Supply: 3 x 1.5V AAA battery (Not included)Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 20cm * 8cm * 3.5cm / 7.87inch * 3.15inch * 1.38inch Qty per Carton 100 Carton Weight 21.00kgs / 46.30lb Carton Size 42cm * 42cm * 37cm / 16.54inch * 16.54inch * 14.57inch Loading Container 20GP: 408 cartons * 100 pcs = 40800 pcs40HQ: 948 cartons * 100 pcs = 94800 pcs

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1. Shell material: gray ABS flame-retardant plastic shell2. Refrigeration control output delay protection3. Switch the mode between cooling and heating4. Resolution: 0.1, accuracy: ±1 degrees Celsius5. Measuring and controlling temperature range: -50～+110 degrees Celsius6. After turning off the power, all parameter settings can be saved7. Control the temperature by setting the temperature setting value and the difference value8. Alarm when the temperature exceeds the temperature limit or the sensor is wrong9. Sensor h type: imported NTC sensor, cable length 1 meter10. Please connect the power supply according to the parameters and wiring diagram, and connect the cooling or heating equipment to the output terminal11. Relay output contact capacity: heating: 10A/240VAC, cooling: 10A/240VCA12. The OUT indicator on the panel: flashing indicates the delay of the cooling or heating start, and the constant light indicates the output13. Long press set, 5 seconds to enter the internal parameter setting, press up and down to switch P0...P8, press Rst to confirm and return14. Enter the internal settings to select heating (enter P0 to select H) or cooling (enter P0 to select C) mode according to needs15. It can be used in household freezers, water tanks, refrigerators, industrial chillers, steamers, industrial equipment and other temperature control applications16. Digital tube: display LLL for sensor open circuit; display HHH for exceeding the measuring range and the thermostat will be forced to power off; display --- high temperature alarm17. P0 cooling and heating mode, P1 hysteresis setting, P2 setting range: setting temperature does not exceed this value, P3 setting range: setting temperature not lower than this value, P4 temperature correction, P5 delay Start-up time unit: minutes, P6 high temperature alarm, P7 data lock function, turn on the data lock, P8 restores factory settings18. Product size: 75x34.5x85mm19. Net weight: 120gSpecification: Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 9cm * 10cm * 5cm / 3.54inch * 3.94inch * 1.97inch Qty per Carton 100 Carton Weight 15.00kgs / 33.07lb Carton Size 52cm * 47cm * 27cm / 20.47inch * 18.5inch * 10.63inch Loading Container 20GP: 404 cartons * 100 pcs = 40400 pcs40HQ: 938 cartons * 100 pcs = 93800 pcs

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1. Build your DIY-powered models / solar toys / solar displays. 2. High conversion rate. 3. High-efficiency output. 4. Excellent weak light effect. 5. Application: Science projects/Charging small DC batteries and so on. 6. Portable, small size, lightweight, sturdy and durable, good quality. 7. Power: 3W 8. Small attenuation, good reliability and long life. Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 20cm * 1cm / 5.91inch * 7.87inch * 0.39inch Qty per Carton 120 Carton Weight 13.00kgs / 28.66lb Carton Size 45cm * 35cm * 35cm / 17.72inch * 13.78inch * 13.78inch Loading Container 20GP: 483 cartons * 120 pcs = 57960 pcs40HQ: 1122 cartons * 120 pcs = 134640 pcs

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1. Material: High-quality steel2. Process: ABS engineering plastics3. Calibration process: laser calibration4. Resolution: 0.001mm5. Packaging: New plastic packaging6. Size: 16x6cm7. High-definition LED screen, digital display is clearer8. Precise measurement, efficient and stable9. 3V large capacity battery, lasting power10. Mechanical laser scale, can be used without electricitySpecification: Package Weight One Package Weight 0.45kgs / 1.00lb One Package Size 24cm * 10cm * 5cm / 9.45inch * 3.94inch * 1.97inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs40HQ: 412 cartons * 60 pcs = 24720 pcs

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1. Espressif official ESP32-WROVER module 2. New ESP32 version: REV1 3. Wireless Internet 4. Bluetooth 5. 4MB flash memory 6. 8MB PSRAM 7. Lithium battery interface, 500mA maximum charging current 8. Support TF memory card 9. With 3D wiresSpecification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 10cm * 6cm * 1cm / 3.94inch * 2.36inch * 0.39inch Qty per Carton 400 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 26cm * 26cm / 16.54inch * 10.24inch * 10.24inch Loading Container 20GP: 939 cartons * 400 pcs = 375600 pcs40HQ: 2180 cartons * 400 pcs = 872000 pcs

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Features1. Material: Made of premium and durable nylon material exterior and soft lining interior, lightweight and sturdy, offer comprehensive protection against knocks, impacts, bumps, drops, dents and scratches. 2. Multi-usage: It can hold power adapters, charger, batteries, power bank, mouse, earphones, hard drive, memory cards, mini digital camera, pen, cables, external driver, flashdrive, basic first aid items, chargers, several USB cables, scissors, makeup, passport ,memory cards,key, smartphones and such. 3. Easy to Carry: Portable and lightweight design, the slim profile of the case makes it very easy to fit inside of carry-ons, office, leisure, travel can carry, easy to put in a backpack or handbag. 4. Waterproof and Dustproof: The electronics organizer case adopt waterproof fabric, do not worry about wet from splashing water or rain, and protects your laptop accessories against spills, dust, and other contaminants, easy to wash and reuse. 5. Convenience: Smooth zippers make it easier to open and close the bag to get your charger, cable or any other electronic accessories in a short time. If you are tired of rummaging around the house for your little gadgets, this organizer can do you a favor.Specifications1. Fabric: Polyester 2. Lining: 210D 3. Ingredients: Nylon Mesh 4. Size: 17 x 9.8 x 7cm / 6.7 x 3.8 x 2.7 in 5. Weight: 45gSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 16cm * 11cm * 3cm / 6.3inch * 4.33inch * 1.18inch Qty per Carton 50 Carton Weight 3.20kgs / 7.05lb Carton Size 41cm * 32cm * 27cm / 16.14inch * 12.6inch * 10.63inch Loading Container 20GP: 752 cartons * 50 pcs = 37600 pcs40HQ: 1747 cartons * 50 pcs = 87350 pcs

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OverviewThe RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.RPi Relay Board Features1. Supports Raspberry Pi A+/B+/2B/3B/3B+2. High quality relays, loads up to 5A 250V AC or 5A 30V DC3. Photo coupling isolation, prevent interference from high voltage circuit4. Onboard LEDs for indicating relays status5. Relay control jumper, allows to control the relays by custom pins other than the default pins6. Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835What is on the RPi Relay Board1. Raspberry Pi GPIO interface: for connecting Raspberry Pi2. Relay screw terminal: for connecting target devices3. Relays4. Photocoupler: PC8175. Relay indicator- LED on: relay NC is opened, NO is closed- LED off: relay NC is closed, NO is opened6. Power indicator7. Relay control jumper- Short the jumper: control the relays by default I/Os used in the example code- Open the jumper: control the relays by custom I/Os through jumper wiresPackage include- RPi Relay Board x 1- RPi screws pack (2pcs) x 1Specification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 8cm * 7cm * 2cm / 3.15inch * 2.76inch * 0.79inch Qty per Carton 700 Carton Weight 52.50kgs / 115.74lb Carton Size 56cm * 35cm * 40cm / 22.05inch * 13.78inch * 15.75inch Loading Container 20GP: 340 cartons * 700 pcs = 238000 pcs40HQ: 789 cartons * 700 pcs = 552300 pcs

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1. Operation mode: TA803A: manual range; TA803B/TA803C: manual/automatic range2. DC voltage: TA803A/TA803B: 0.1mV-1000V; TA803C: 0.01mV-1000V3. AC voltage: 0.01mV-750V4. Current: 0.01uA-10A5. Capacitance: TA803A: 1nF-20000uF; TA803B: 1nF-6000uF; TA803C: 1nF-2000uF6. Resistance: TA803A: 0.1 ohm-20 megohm; TA803B: 0.1 ohm-60 megohm; TA803C: 0.01 ohm-20 megohm7. Frequency: TA803A: 40Hz-1000Hz; TA803B: 10Hz-100kHz; TA803C: 10Hz-20MHz8. Display: TA803A: 1999 (31/2) bits; TA803B: 5999 (3 5/6) bits; TA803C: 19999 (4 1/2) bits9. Sampling frequency: about 3 times / second10. Power supply: 9V battery (not included)11. Automatic shutdown: about 15min12. General features: intelligent anti-burn-in, low voltage display, rms value, backlight display, on/off alarm, value lock13. Functions:- TA803A: analog bar display, average value measurement, diode measurement, triode measurement, NCV function- TA803B: diode measurement, maximum / small value measurement, temperature measurement, duty cycle / relative value- TA803C: analog bar display, diode measurement, temperature measurement, duty cycle/relative value14. Size: about 18.4 x 8.8 x 4.6cm15. Weight: about 320gFeatures:1. Soft rubber protective case + meter pen clip design, leather case can be drop-proof, dustproof, shockproof, meter pen can be stored for protection, to avoid accidental injury2. Back thickened bracket design, more convenient placement3. Flashlight lighting function, in the dark environment can also be easily measured4. Large screen backlight display, easy to read in the dark environment5. NCV voltage sensing function, according to the detected voltage strength, display and different frequency of the beeping alarm sound (only TA803A has)Packing list:- Host x 1- Meter pen x 2- Thermocouple x 2- Fuse x 2- Instruction manual x 1Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 21cm * 14cm * 7cm / 8.27inch * 5.51inch * 2.76inch Qty per Carton 30 Carton Weight 16.50kgs / 36.38lb Carton Size 44cm * 34cm * 43cm / 17.32inch * 13.39inch * 16.93inch Loading Container 20GP: 414 cartons * 30 pcs = 12420 pcs40HQ: 962 cartons * 30 pcs = 28860 pcs

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Temperature-Humidity Sensor, DHT11 OnboardOverviewThis is a calibrated digital temperature and humidity module with onboard sensor DHT11. It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.Specifications1. Temperature- Resolution : 1 degree C- Accuracy : +/-2 degree C- Measuring range : 0 degree C ~ 50 degree C2. Humidity- Resolution : 1%RH- Accuracy : +/-5%RH (0~50 degree C)- Measuring range : 20%RH ~ 90%RH (25 degree C)3. Operating voltage : 3.3V ~ 5.5 V4. Recommended storage condition- Temperature : 10 degree C ~40 degree C- Humidity : 60%RH or belowApplications1. Weather station2. Humidity controller3. Test & detection deviceHow to UseIn the case of working with a MCU:1. VCC: 3.3V ~ 5.5V2. GND: GND3. DOUT: MCU.IOPackage Contents1. DHT11 Temperature-Humidity Sensor x12. 3-pin custom connector jumper wire x1Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 4cm * 3cm * 1cm / 1.57inch * 1.18inch * 0.39inch Qty per Carton 7800 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 7800 pcs = 2215200 pcs40HQ: 661 cartons * 7800 pcs = 5155800 pcs

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