Search results for "diy electronics"

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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Features1. With LCD display, the current mode and parameters are clear at a glance, very clear, simple and practical. 2. Support high and low level trigger, switch control, suitable for most occasions. 3. Wide voltage power supply (6~30V) supports micro USB 5.0V power supply, which is very convenient to use. 4. Support UART data upload and parameter setting. 5. There is a key emergency stop function (STOP key), with reverse connection protection, reverse connection will not burn. 6. Added sleep mode. After enabling, if there is no operation within 5 minutes, the LCD backlight will be automatically turned off; any key will wake up. 7. Different OP, CL, LOP parameters can be set, these parameters are independent of each other and saved separately. 8. All setting parameters are automatically saved after power off.Specification1. Working voltage: 6-30V, support micro USB 5.0V power supply 2. Trigger signal source: high level trigger (3.0V~24V), low level trigger (0.0V~0.2V), switch control (passive switch). 3. Output capability: can control equipment within DC 30v 5A or AC 220v 5A 4. Quiescent current: 15mA Working current: 50mA 5. Working temperature: -40a??85 degrees Celsius 6. With optocoupler isolation, enhance anti-interference ability, industrial-grade circuit board, set parameters will be remembered forever after power off 7. Size: 8.0x3.8x1.9cm 8. Weight: about 36gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 10cm * 2cm / 3.94inch * 3.94inch * 0.79inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 42cm * 32cm / 16.54inch * 16.54inch * 12.6inch Loading Container 20GP: 472 cartons * 200 pcs = 94400 pcs40HQ: 1096 cartons * 200 pcs = 219200 pcs

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1. Increase the microscope distance to 200mm, without affecting the magnification and providing a more reliable operating space 2. Using the principle of electronic anti-shake technology and using the edge of the image to compensate, a clearer image has been obtained 3. Imported LED lamp beads, uniform light emission, can work continuously for 48 hours, and the life span is up to 100,000 hours 4. With manual focusing function, allowing you to operate with one hand 5. The intensity of light can be adjusted freely to find a comfortable observation effect 6. Magnification: 50-500X 7. Material: alloy, metal 8. Pixel: 5 million 9. Long video: high compression ratio, 3.6GB/11 hours 10. Resolution: 2592*1944, 2048*1536, 1600*1200, 640*480, 320*240 11. Support system: 32-bit and 64-bit operating system, Win 7/8/XP/Vista/Mac OS/Linux 12. Interface: USB 2.0 13. Language operation: Simplified/Traditional Chinese, English, Japanese, etc. 14. Main uses: PCB circuit board inspection, soldering, microchip observation, product appearance inspection, jewelry observation, printing dot observation, mechanical parts observation, melt blown cloth observation, microcirculation observation, mechanical knife sharpening microscopeSpecification: Package Weight One Package Weight 0.80kgs / 1.77lb One Package Size 19cm * 14cm * 10cm / 7.48inch * 5.51inch * 3.94inch Qty per Carton 14 Carton Weight 12.70kgs / 28.00lb Carton Size 42cm * 32cm * 28cm / 16.54inch * 12.6inch * 11.02inch Loading Container 20GP: 708 cartons * 14 pcs = 9912 pcs40HQ: 1645 cartons * 14 pcs = 23030 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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1. Material: alloy2. High-quality double-sided tape at the bottom for stable adhesion3. Small size and does not take up space4. The luminous effect will only appear in the dark after being exposed to natural light, strong light, etc.5. Metal shell + electroplating process, wear-resistant and damage-resistant, the metal core makes the clock durable6. The air outlet clip adds silicone protection, which is safe and stable and will not fall off, and will not damage the air outlet7. Place it as you like, small and does not affect the line of sight8. Size: 4x4x0.8 cmSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 7cm * 7cm * 4cm / 2.76inch * 2.76inch * 1.57inch Qty per Carton 280 Carton Weight 15.10kgs / 33.29lb Carton Size 51cm * 37cm * 34cm / 20.08inch * 14.57inch * 13.39inch Loading Container 20GP: 415 cartons * 280 pcs = 116200 pcs40HQ: 964 cartons * 280 pcs = 269920 pcs

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1. Measuring Battery Types:R20S R14S R6S R03 R1 Button 6F22 2. Easy to read LCD display 3. Remove the battery cover,place two 1.5V battery type R03 in correct polarity as figure and put the cover back. 4. Push power switch,test as figure. 5. If the LCD digits did not show,the power source battery has been exhausted,replace new 1.5V battery type R03 or substitute. 6. Battery type: 2 x AAA batteries(not included).Specification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 19cm * 11cm * 3cm / 7.48inch * 4.33inch * 1.18inch Qty per Carton 200 Carton Weight 17.50kgs / 38.58lb Carton Size 62cm * 57cm * 40cm / 24.41inch * 22.44inch * 15.75inch Loading Container 20GP: 188 cartons * 200 pcs = 37600 pcs40HQ: 437 cartons * 200 pcs = 87400 pcs

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1. Equipped with a high-performance RISC-V 32-bit processor and a low-power RISC-V 32-bit processor, the high-performance processor has a clock speed up to 160 MHz, while the low-power processor can reach up to 20 MHz2. Integrated with Wi-Fi 6, Bluetooth 5, and IEEE 802.15.4 (Zigbee 3.0 and Thread) wireless communication, it has excellent radio frequency performance. 3. The board is equipped with an internal antenna and reserved solder pads, allowing it to be configured as an external antenna4. Onboard 320KB ROM, 512KB HP SRAM, 16KB LP SRAM, and an external 16MB Flash5. Onboard a 1.64-inch AMOLED capacitive touch screen with a resolution of 280 x 456 and 16.7M color6. The AMOLED screen uses the QSPI interface for display, and the capacitive touch uses the I2C interface7. Onboard a QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), which can detect motion posture and count steps, etc8. Onboard PWR and BOOT side buttons, BOOT supports custom key functions, making development more flexible9. Onboard a 3.7V MX1.25 lithium battery charging and discharging interface10. Onboard a Micro SD card slot, allowing external SD card storage for pictures or files11. Onboard a USB Type-C interface, which can be used for power supply and download debugging, facilitating development12. Exposed I2C, UART, and USB pins, available for external devices and debugging, allowing flexible configuration of peripheral functions13. The screen adopts a CNC processing structure with edge bonding, featuring a delicate and soft texture, and overall beauty and durabilityAMOLED screen parameters1. Display panel: AMOLED2. Display resolution: 280 x 456 pixels3. Display brightness: 350 cd/square meter4. Communication interface: QSPI5. Touch: supported6. Display size: 1.64 inches7. Display colors: 16.7M8. Contrast ratio: 60000:19. Driving IC: CO530010. Touch IC: FT6146Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 8cm * 6cm * 4cm / 3.15inch * 2.36inch * 1.57inch Qty per Carton 288 Carton Weight 10.00kgs / 22.05lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 288 pcs = 118656 pcs40HQ: 958 cartons * 288 pcs = 275904 pcs

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1. Intuitive LED display2. Tuning modes: C (Twelve Equals), G (Guitar), B (Bass), V (Violin), UC (C ukulele), UD (D ukulele)3. Size: 5 × 3.7 × 2.7 cm4. Tuning range: A0 (27.5Hz) ~ C8 (4186Hz)5. Lightweight, compact and easy to carry6. Operating instructions: long press the key, short press to switch between various instrument modes; A4 value button (only available in G / B mode), in guitar and bass mode, press b to adjust the semitone (b, bb)Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 7cm * 6cm * 3cm / 2.76inch * 2.36inch * 1.18inch Qty per Carton 500 Carton Weight 17.00kgs / 37.48lb Carton Size 52cm * 52cm * 48cm / 20.47inch * 20.47inch * 18.9inch Loading Container 20GP: 205 cartons * 500 pcs = 102500 pcs40HQ: 476 cartons * 500 pcs = 238000 pcs

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1. Shell material: plastic2. Mirror material: acrylic plastic mirror3. Dial material: plastic4. Movement type: electronic5. Display type: LED6. Display type: number7. Power source: USB external power supply8. Remote control battery: CR2032 button battery (delivered with battery)9. Special functions: decoration, thermometer, luminous, alarm, chronograph, calendar, humidity measurement10. Dimensions: 30 x 30 x 3.5 cmSpecification: Package Weight One Package Weight 1.50kgs / 3.31lb One Package Size 36cm * 36cm * 7cm / 14.17inch * 14.17inch * 2.76inch Qty per Carton 28 Carton Weight 43.60kgs / 96.11lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 28 pcs = 4956 pcs40HQ: 412 cartons * 28 pcs = 11536 pcs

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DimensionsBoxed measures approximately 19.5cm(W) x 11cm(H) x 18cm(D) Assembled measures approximately 17-29cm(L) x 18cm(W) x 11cm(H)Note1. Self-assembly. 2. Popcorn not included. 3. Keep the lens out of direct sunlight. 4. Fits phones up to a maximum size of 8cm x 14.5cm and 3.2 x 5.7 inch. 5. Physical experiment kit, not a professional projector. 6. Dont compare its effect with the real professional projector.Features1. Turn everyday you-tube videos into grand cinematic events 2. Project films from your smartphone onto the wall 3. Made from rugged cardboard 4. Includes a silicone grip pad to hold your phone in place 5. No need to sell a kidney to buy that expensive HD projector 6. Light, compact and portable 7. High quality glass lens with 8x magnification 8. Self-assembly, glue is not includedAbout the productDIY portable cardboard Smartphone Projector, is focusing on providing customers with a portable projector experience, it was almost entirely built by cardboard, content on the smartphone screen can be projected onto a wall, and very easy to assemble,especially for DIY enthusiasts like hands, cardboard projector has a high-quality lens, can view at up to 8 x magnification. whether it is in party or for lovers of Coldplay, just take out his smart phone,you can enjoy the coolest smartphone projection technology anytime, anywhere. use the phone as a portable phone DIY Projectors projection source, a large screen, high brightness, high resolution mobile phone is of course necessary.Specification: General Material Cardboard, Optical glass lens Package Weight One Package Weight 0.44kgs / 0.96lb One Package Size 19cm * 18.5cm * 11cm / 7.48inch * 7.28inch * 4.33inch Qty per Carton 12 Carton Weight 6.10kgs / 13.45lb Carton Size 40cm * 35cm * 40cm / 15.75inch * 13.78inch * 15.75inch Loading Container 20GP: 476 cartons * 12 pcs = 5712 pcs40HQ: 1105 cartons * 12 pcs = 13260 pcs

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1. 800 x 480 high resolution,Resistive touch control 2. Supports Raspberry Pi 3. Supports popular mini-PCs like Raspberry Pi, BB Black, etc. 4. Not only for mini-PCs, it can work as a computer monitor just like any other general HDMI screen 5. Backlight can be turned off to lower power consumption Specification: Package Weight One Package Weight 0.26kgs / 0.58lb One Package Size 15cm * 10cm * 2cm / 5.91inch * 3.94inch * 0.79inch Qty per Carton 90 Carton Weight 21.80kgs / 48.06lb Carton Size 32cm * 32cm * 32cm / 12.6inch * 12.6inch * 12.6inch Loading Container 20GP: 813 cartons * 90 pcs = 73170 pcs40HQ: 1889 cartons * 90 pcs = 170010 pcs

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1. Material: ABS2. Wire material: PVC/brass core3. Battery: 2 AA batteries (not included)4. DC voltage: 0-600V5. AC voltage: 0-600V6. AC current: 0-400A7. Capacitance: 0-4mF8. Resistance: 0-40 milliohms9. Hertz: 0-400Hz10. LED flashlight lighting, eliminate the risk of electric shock11. NCV non-contact induction, the closer the distance, the faster the alarm sound12. LED backlight bright screen, you can see clearly in the dark environment13. Weight: 124 grams14. Jaw opening size: 9.7mmSpecification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 17cm * 5cm * 4cm / 6.69inch * 1.97inch * 1.57inch Qty per Carton 100 Carton Weight 19.00kgs / 41.89lb Carton Size 52cm * 42cm * 20cm / 20.47inch * 16.54inch * 7.87inch Loading Container 20GP: 610 cartons * 100 pcs = 61000 pcs40HQ: 1417 cartons * 100 pcs = 141700 pcs

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