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Hardware specifications 1. Chipset: ESP32-WROVER-B, AXP192 power management chip 2. Flash: 4MB /16MB 3. Static SRAM: 8MB 4. SRAM: 520 kB SRAM 5. Button: PWR power switch, reset 6. USB to TTL: CP2104 7. Vehicle clock: 40MHz crystal oscillator 8. Peripheral equipment: SIM Nano card slot, Mini PCIE card slot 9. Antenna: Onboard antenna (default) 10. Working voltage: 2.7V to 3.6V 11. Sleep current: About 700ma 12. Operating temperature range: -40 degrees Celsius ~ + 85 degrees Celsius 13. Dimensions: 75 x 33 x 10.5 mm 14. Weight: 14.5g Power Specifications 1. Power input: USB 5V / 1A 2. Charging current: 500 mA 3. Battery input: 3.7-4.2V 4. Charging IC: AXP192 5. JST connector: 2-pin 2.0mm 6. USB: Type C wireless online 1. Standard: FCC / CE-RED / IC / TELEC / KCC / SRRC / NCC (ESP32 chip) 2. Protocol: 802.11 b/g/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4uS guard interval 3. Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M) 4. Transmit power: 22dBm 5. Communication distance: 300m Bluetooth 1. Protocol: Compliant with Bluetooth v4.2BR/EDR and BLE standards 2. Radio frequency: NZIF receiver Class-1 with sensitivity of -97dBm, Class-2&Class-3 transmitter AFH 3. Audio: CVSD&SBC audio Software specifications 1. Wi-Fi mode: Workstation / SoftAP / SoftAP + Station / P2P 2. Security mechanism: WPA / WPA2 / WPA2-Enterprise / WPS 3. Encryption method: AES / RSA / ECC / SHA 4. Firmware upgrade: UART download/OTA (download and write firmware via network/host) 5. Software development: support cloud server development / SDK for user firmware development 6. Network protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT 7. User configuration: AT + command set, cloud server, Android / iOS app 8. Operating system: FreeRTOS SIM7600E suitable for EMEA/Kor/Thailand: 1. LTE-TDD: B38/B40/B41 2. LTE-FDD: B1/B3/B5/B7/B8/B20 3. UMTS/HSPA+: B1/B5/B8 4. GSM/GPRS/EDGE:B3/B8 Packing list 1. SIM7600E-PCIE module x 1 2. LTE antenna x 1 3. GPS antenna x 1 4. Screw x 2Specification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 300 Carton Weight 7.00kgs / 15.43lb Carton Size 36cm * 22cm * 22cm / 14.17inch * 8.66inch * 8.66inch Loading Container 20GP: 1530 cartons * 300 pcs = 459000 pcs40HQ: 3552 cartons * 300 pcs = 1065600 pcs

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Product demonstration (Note: OLED is not soldered to T-beam) Features: 1. ESP 32 version: Rev1 2. WiFi 3. Bluetooth 4. 4MB pSRAM 5. 4MB flash memory 6. Three-dimensional antenna product description: 1. Working voltage: 1.8~3.7V 2. Acceptable current: 10~14 mA 3. Transmitting current: 120 mA@+20 dBm 4. 90 mA@+17 dBm 5. 29 mA@+13 dBm 6. Working frequency: 433/470 MHz (433 HMz version) SX1278 /868m/915 m (868 MHz version) SX1276 7. Transmitting power: +20 dBm 8. Receiving sensitivity: -139 dBm@Lora&62.5Khz&SF=12&146 bps -136 dBm@Lora&125 Khz&SF=12&293 bps -118 dBm@Lora&125 Khz&SF=6&9380 bps -123 dBm@FSK&5 Khz&1.2Kbps 9. Frequency error: +/-15 kHz 10. FIFO space: 64 bytes 11. Data rate: 1.2k~300 Kbps@FSK 0.018K~37.5Kbps@Lora 12. Modulation method: FSK, GFSK, MSK, GMSK, Lora TM, OOK 13. Interface form: SPI 14. Sleep current: 0.2uA 15. 1.5uA@Idle 16. Working temperature: -40 degrees Celsius-+85 degrees Celsius 17. Digital RSSI function 18. Automatic frequency correction 19. Automatic gain control 20. Low pressure detection 21. Fast wake-up and frequency hopping 22. Highly configurable packet handler Global Positioning System: 1. GPS module neo-6m, 3V-5V power supply universal 2. The predetermined module with ceramic antenna, super signal 3. Save configuration parameter data EEPROM 4. With data backup battery 5. With LED signal indicator 6. The default baud rate: 9600 power: 1. TP 5400 2. 1A battery management 3. LED indicator: there are 4 LEDs to display the battery status in real time 4. USB 5. CP 2104-GMR 6. Pre-Flash firmware OLED description: 1. Size: 0.96 inches 2. High resolution: 128x64 3. Color: white 4. Viewing angle: >160 degrees 5.Driver IC: SSD 1306 6. Working temperature: -30~80 degrees Celsius 7. Module size (generous): 27.0mm x 27.0mm x 4.1mm 8. Support a variety of control chips: fully compatible with Arduino, 51 series, MSP 430 series, STM 32/2, CSR chips, etc. (a lot of examples are available for reference) 9. Wide voltage support: directly support 3.3V~5V DC power supply without any modification 10. Ultra-low power consumption: 0.04W in normal operation 11. IO port occupies the smallest display: IIC communication, as long as two IO ports Specification: Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 11cm * 11cm * 3cm / 4.33inch * 4.33inch * 1.18inch Qty per Carton 100 Carton Weight 7.50kgs / 16.53lb Carton Size 57cm * 32cm * 24cm / 22.44inch * 12.6inch * 9.45inch Loading Container 20GP: 609 cartons * 100 pcs = 60900 pcs40HQ: 1414 cartons * 100 pcs = 141400 pcs

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1. Two pairs of light-emitting diodes and light-sensitive circuits are used as sensors.2. Using photoresistor device, high sensitivity and stable performance.3. DC motor with gear reduction, easy to control.4. Complete smart tracking line car kit, easy to install.5. During the assembly process, you can not only be familiar with the mechanical principles, but also gradually learn related electronic knowledge such as photoelectric sensors, voltage comparators, motor drive circuits, etc.6. Widely used in experiment, industry, school, electronic DIY, robot, remote control car, etc.7. Excluding batteries.Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs40HQ: 412 cartons * 146 pcs = 60152 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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Main Features: 1. Working current: DC 3.3V / 13 - 26mA 2. Idle current: DC 3.3V / 10 - 13mA 3. Sleep current: < 80uA 4. Peak current: < 30mA 5. Working frequency: 13.56MHz 6. Supports card: Mifare1 S50, mifare1 S70, mifare Ultralight, mifare Pro, mifare Desfare 7. Application: Various electronic products and DIY projectsSpecification: General Model RFID-RC522 Material Plastic Size 12*8.0*2.0 cm Weight 80 g Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 12cm * 8cm * 2cm / 4.72inch * 3.15inch * 0.79inch Qty per Carton 200 Carton Weight 18.40kgs / 40.56lb Carton Size 48cm * 40cm * 20cm / 18.9inch * 15.75inch * 7.87inch Loading Container 20GP: 694 cartons * 200 pcs = 138800 pcs40HQ: 1612 cartons * 200 pcs = 322400 pcs

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1. New version of ESP32: REV1 2. Wi-Fi/Bluetooth/4MB flash memory/4MB PSRAM/3D antenna/LORA Product description 1. Working voltage: 1.8~3.7v 2. Acceptable current: 10~14mA 3. Emission current: -120mA at +20dBm -90 mA at +17dBm -29mA at +13dBm 4. Working frequency: 868MHz version SX1276 5. Transmitting power: + 20dBm 6. Receiving sensitivity: - 139dBm at LoRa and 62.5Khz & SF = 12 and 146bps - 136dBm at LoRa and 125Khz&SF = 12 & 293bps - 118dBm at LoRa & 125Khz & SF = 6& 9380bps - 123dBm at FSK & 5Khz & 1.2Kbps 7. Frequency error: +/- 15KHz 8. FIFO space: 64Byte 9. Data rate: - 1.2K~300Kbps at FSK - 0.018K~37.5Kbps in LoRa 10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK 11. Interface form: SPI 12. Sleep current: - 0.2uA in SLEEP - 1.5uA in IDLE 13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius 14. Digital RSSI function 15. Automatic frequency correction 16. Automatic gain control 17. RF wake-up function 18. Low pressure detection and temperature sensor 19. Fast wake-up and frequency hopping 20. Highly configurable packet handler Global Positioning System 1. GPS module NEO-M8N, 3V-5V power supply universal 2. Designated module with ceramic antenna, super strong signal 3. Save configuration parameter data EEPROM Down 4. With data backup battery 5. With LED signal indicator 6. The default baud rate: 9600 Power 1. TP5400 2. 2A battery management 3. LED indicator: There are 4 LEDs to display the battery status in real time. 4. Power button: Click once to start. Tap twice quickly to close. 5. USB 6. CP2104-GMR 7. Pre-flash firmware: SoftRF V4.0 Packing list: 1. TTGO T-Beam ESP32 2. 433MHz antenna 3. Pin x 1 4. Screw Washer x 3 Note: OLED is not included in the invoiceSpecification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 22cm * 18cm * 5cm / 8.66inch * 7.09inch * 1.97inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 45cm * 37cm * 52cm / 17.72inch * 14.57inch * 20.47inch Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs40HQ: 715 cartons * 100 pcs = 71500 pcs

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1. Brush: copper2. Resistor: bakelite3. Rotation angle: 200 degrees4. Rotational torque: 60-150 g/cm5. Stop strength: 500 g/cm6. Mechanical strength: resistor can withstand 1 kg of pressure without breaking7. Resistance range (Ohms): 100R-1M8. Resistance variation characteristics: B9. Operating voltage: 50V (MAX)10. Rated: 0.1W11. Residual resistance: no more than 5 percent of the nominal resistance, no more than 30 ohms12. Rotational Life: 15 percent resistance change after 100 rotations without load13. Load Life: 5 percent resistance change after 3 hours of rated power14. Adjustable resistors have a wide range of applications, including home appliances and the electronic security industry. Specific products include televisions, induction cookers, rice cookers, and more.Packing List:- 10 x 500R ohm- 10 x 1K ohms- 10 x 2K ohm- 10 x 5K ohms- 10 x 10K ohm- 10 x 20K ohm- 10 x 50K ohm- 10 x 100K ohms- 10 x 200K ohms- 10 x 1M ohmSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 72 Carton Weight 5.50kgs / 12.13lb Carton Size 47cm * 34cm * 32cm / 18.5inch * 13.39inch * 12.6inch Loading Container 20GP: 521 cartons * 72 pcs = 37512 pcs40HQ: 1210 cartons * 72 pcs = 87120 pcs

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Features1. Brand new and high quality. 2. High conversion rate. 3. High efficiency output. 4. Excellent weak light effect.Application1. Small home projects. 2. Science projects. 3. Electronic applications. 4. Charging small DC batteries. 5. Build your DIY powered models / solar toys / solar displays.Specification: General Power 0.8W Output Voltage 5V Output Current 150mAh Size 99x69x2mm Weight 23g Package Weight One Package Weight 0.07kgs / 0.14lb One Package Size 10cm * 7cm * 0.5cm / 3.94inch * 2.76inch * 0.2inch Qty per Carton 500 Carton Weight 13.70kgs / 30.20lb Carton Size 39cm * 24cm * 27cm / 15.35inch * 9.45inch * 10.63inch Loading Container 20GP: 1055 cartons * 500 pcs = 527500 pcs40HQ: 2449 cartons * 500 pcs = 1224500 pcs

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1. 7-inch IPS circular display with a hardware resolution of 1080x1080.2. 10-point capacitive touch control, featuring a tempered glass panel with a hardness rating of 6H.3. Utilizes full-lamination touch technology for superior display quality.4. When used with a Raspberry Pi, supports Raspberry Pi OS, Ubuntu, Kali, and RetroPie.5. When used as a computer monitor, supports Windows 11 / 10 / 8.1 / 8 / 7.6. Supports HDMI audio output, featuring onboard 3.5mm headphone and 4-pin speaker jacks.Specifications:1. Viewing Angle: 160-degree2. Resolution: 1080x1080 Pixels3. Overall Dimensions: 230.34 (H) × 230.34 (V) × 6.45 (D) mm4. Display Area: 177.55 (H) × 177.55 (V) mm5. Color Gamut: 65% NTSC6. Max Brightness: 800 cd/m27. Contrast Ratio: 1200:18. Backlight Dimming: Button-controlled9. Refresh Rate: 60Hz10. Display Interface: Standard HDMI port11. Power Interface: 5V Type-C12. Power Consumption: 2WSpecification: Package Weight One Package Weight 0.52kgs / 1.16lb One Package Size 24cm * 24cm * 9cm / 9.45inch * 9.45inch * 3.54inch Qty per Carton 8 Carton Weight 5.30kgs / 11.68lb Carton Size 50cm * 26cm * 38cm / 19.69inch * 10.24inch * 14.96inch Loading Container 20GP: 539 cartons * 8 pcs = 4312 pcs40HQ: 1253 cartons * 8 pcs = 10024 pcs

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1. Pixel: 64 x 32=2048 dots2. Pitch: 2.5mm3. Pixel format: 1R1G1B4. Viewing angle: greater than 140 degrees5. Control mode: synchronous6. Drive: 1/16 scan7. Connector: HUB758. Power supply: V / 2.5A (VH4 connector input)9. Power: within 12W10. Size: 16 x 8cmFeatures:1. 2048 independent RGB led, full color display, adjustable brightness2. 64x32 pixels, 2.5mm pitch, allows displaying text, color images or animations 3. 160x80mm size, moderate size, suitable for DIY desktop display or wall mount display4. Two HUB75 headers on board, 1 for controller data input, 1 output, chain support5. Provide open source development resources (for Raspberry Pi / Raspberry Pi Pico / ESP32 / Arduino, etc.)Specification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 20cm * 10cm * 2cm / 7.87inch * 3.94inch * 0.79inch Qty per Carton 74 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 74 pcs = 13098 pcs40HQ: 412 cartons * 74 pcs = 30488 pcs

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1. The product is an 80 × 40 resolution full-color RGB LED dot matrix module, integrating 3200 LEDs and equipped with dual HUB75 headers, supporting cascade expansion and rapid integration.2. 3200 individual RGB LEDs, full-color display, adjustable brightness3. 80 × 40 pixels, 4mm pitch, allows displaying text, colorful image, or animation4. 320 × 160 (mm) dimensions, moderate size, suitable for DIY desktop display or wall mount display5. Onboard dual HUB75 headers, one for controller data input, one for output, chain support6. Provides open source development resources (examples for ESP32 / Raspberry Pi / Arduino / STM32)Specifications:1. Product dimensions: 320 × 160 mm2. Resolution: 80 × 40 / 3200 dots3. Pixel pitch: 4 mm4. Pixel configuration: 1R1G1B5. Viewing angle: Greater than or equal to 140-degree6. Control method: Synchronous control7. Driving method: 1/20 scan8. Interface type: HUB759. Power supply voltage: 5V / 4A (VH4 connector input)10. Power consumption: Less than or equal to 20WSpecification: Package Weight One Package Weight 0.36kgs / 0.80lb One Package Size 34cm * 18cm * 4cm / 13.39inch * 7.09inch * 1.57inch Qty per Carton 30 Carton Weight 11.90kgs / 26.23lb Carton Size 36cm * 38cm * 47cm / 14.17inch * 14.96inch * 18.5inch Loading Container 20GP: 414 cartons * 30 pcs = 12420 pcs40HQ: 962 cartons * 30 pcs = 28860 pcs

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1. Sampling rate: 5MS/s2. Bandwidth: 1M3. Vertical sensitivity: 10mV/Div~10V/Div4. Time base range: 500ns~20S5. Waveform pause: supported6. Trigger mode: With complete trigger function (single, normal, automatic), it can be used freely for both periodic analog signals and non-periodic digital signals7. Voltage range: Can measure 400V voltage signal8. Calibration square wave: Comes with 1KHz calibration square wave, easy and convenient probe calibration9. Frequency: 0-10KHz10. Amplitude: 0.1~3.3V11. Coupling mode: AC/DC12. Display: 2.8 inches/PPI 320x24013. USB charging: 5V/1A14. Lithium battery capacity: 1000mAh15. Waveform: sine wave, rectangular wave, sawtooth wave, half wave, full wave, positive step wave, reverse step wave, noise wave, exponential rise, exponential fall, DC signal, multi-audio, Sink pulse, Lorentz wave16. Automatically shut down after a certain period of no operation, saving energy and extending service life17. Suitable for use in a variety of occasions, lightweight and space-saving, can be carried with you for work, maintenance and DIY tools18. Highly sensitive buttons, super simple and easy to understand operation experience19. Type-C port, supports firmware upgrades and charging20. Standard configuration, upgrade comparison: host, basic accessories are the same, the upgrade is more than the standard configuration, a P6100 probe (10x probe) + adapter21. Size: 99x68.3x19.5mm22. Weight: 100gSpecification: Package Weight One Package Weight 0.18kgs / 0.40lb One Package Size 16cm * 10cm * 5cm / 6.3inch * 3.94inch * 1.97inch Qty per Carton 100 Carton Weight 18.50kgs / 40.79lb Carton Size 47cm * 44cm * 28cm / 18.5inch * 17.32inch * 11.02inch Loading Container 20GP: 460 cartons * 100 pcs = 46000 pcs40HQ: 1069 cartons * 100 pcs = 106900 pcs

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