Suchergebnisse für "environmental electronics"

1. No need to write Ethernet underlying code to implement TCP/IP protocol stack2. Support sleep mode and wake-up on LAN, internal integrated 32K bytes on-chip buffer for Ethernet packet processing3. Support 10/100MBPS transfer rate4. Support 8 independent ports working at the same time5. The module supports 5V or 3. 3V power supply, which is convenient for users to use in different SCM systems6. The communication method between the module and the microcontroller is SPI protocol, which supports speeds up to 80MHz7. If you use the 5500 Ethernet module, you only need some simple Socket programming to realize the Ethernet application8. Support protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE9. We provide users with the source code of the routines based on the 51 single-chip microcomputer and ISTM32 single-chip microcomputer in the "client", "server" and "UDP" three working modes, as well as a detailed manual10. Chip model: W550011. Input voltage: 3.3-5v12. Size: about 55 x 28mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 10cm * 3cm / 5.91inch * 3.94inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs40HQ: 885 cartons * 100 pcs = 88500 pcs

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1. 5V relay module2. It can be used as a single-chip development board module, and can be used as a home appliance control3. 5V-12V TTL control signal4. Control DC or AC signal, can control 220V AC load5. There is a normally open and a normally closed contact6. Has a power indicator7. There is a control indicator light, which is bright when closing, but not bright when disconnecting8. Transistor drive increases the relay coil, and the control pin is high impedance9. The control pin has a pull-down circuit to prevent the false action of the floating relaySpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 100 pcs = 56600 pcs40HQ: 1314 cartons * 100 pcs = 131400 pcs

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1. Chip solution: TPA3116D2 (with AM interference suppression function)2. With or without filter: Yes (the sound is more mellow and clear after filtering)3. Adapted supply voltage: 5~27V4. Adapted speakers: 30W~200W, 4ohms, 8ohms5. Number of channels: left and right dual channels (stereo)6. Bluetooth version: 5.07. Bluetooth transmission distance: 15 meters (unobstructed)8. Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection9. Tip: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be sufficient output power. The higher the power supply voltage, the higher the relative power, and speakers with different impedances will have different output powers. In the case of sufficient voltage and current, the greater the ohms of the speaker, the lower the relative sound power, please pay attention!10. Power supply voltage:-12V ------ 8 ohm speaker/12W (left channel) + 12W (right channel), 4 ohm speaker/20W+ 20W-15V ------ 8 ohms/18+ 18W, 4 ohms/more than 30 + 30W-19V ------ 8 ohms/32 + 32W, 4 ohms/more than 45 + 45W-24V ------ 8 ohms/38 + 38W, 4 ohms/more than 55 + 55WSpecification: Package Weight One Package Weight 0.12kgs / 0.25lb One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 52cm * 32cm / 20.47inch * 20.47inch * 12.6inch Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs40HQ: 715 cartons * 100 pcs = 71500 pcs

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1. Rated power: 100-250V, 50/60Hz2. Type-C1 output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.5A3. Type-C2 output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.5A4. USB output: 5V/3A, 9V/3A, 10V/2.25A (SCP), 12V/2.5A, 20V/1.5A5. Total power: 70W6. Fast charging for tablets and mobile phones with PD3.0 and QC3.0 fast charging protocols7. Suitable for home appliances and mobile devices of any size8. 2m heavy-duty power cord to provide optimal power to connected devices9. Helps protect multiple electronic devices at the same time while accommodating large adaptersSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 20cm * 12cm * 5cm / 7.87inch * 4.72inch * 1.97inch Qty per Carton 60 Carton Weight 25.00kgs / 55.12lb Carton Size 52cm * 42cm * 38cm / 20.47inch * 16.54inch * 14.96inch Loading Container 20GP: 321 cartons * 60 pcs = 19260 pcs40HQ: 745 cartons * 60 pcs = 44700 pcs

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GSM/GPRS/GNSS/Bluetooth HAT für Raspberry Pi, basierend auf SIM868 Überblick 1. Dies ist ein handlicher Raspberry Pi HAT mit geringem Stromverbrauch, der über mehrere Kommunikationsfunktionen verfügt: GSM, GPRS, GNSS und Bluetooth. 2. Damit kann Ihr Pi problemlos telefonieren, Nachrichten senden, eine Verbindung zum drahtlosen Internet herstellen, die globale Position ermitteln, Daten per Bluetooth übertragen usw. Merkmale 1. Raspberry Pi-Konnektivität, kompatibel mit Raspberry Pi 2B/3B/3B+/Zero/Zero W 2. Unterstützt SMS, Telefonanrufe, GPRS, DTMF, HTTP, FTP, MMS, E-Mail usw. 3. Unterstützt GPS, KOMPASS, Glonass, LBS-Basisstationspositionierung und Omni-Positionierung 4. Bluetooth 3.0, unterstützt Datenübertragung über Bluetooth 5. Onboard-USB-ZU-UART-Konverter CP2102 für UART-Debugging 6. 6x LEDs zur Anzeige des Modul-Arbeitsstatus 7. SIM-Kartensteckplatz für 1,8 V/3 V SIM-Karte 8. RTC mit Backup-Batteriehalter 9. Automatische Baudrate-Erkennung (1200 bps ~ 115200 bps) 10. Steuerung über AT-Befehle (3GPP TS 27.007, 27.005 und SIMCOM erweiterte AT-Befehle) 11. Unterstütztes SIM-Anwendungs-Toolkit: GSM 11.14 Release 99 12. Wird mit Entwicklungsressourcen und Handbuch geliefert (Beispiele für Raspberry Pi/Arduino/STM32) GSM/GPRS 1. Band - GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz - Automatische Quadband-Suche - Konform mit GSM Phase 2/2+ 2. Emissionsleistung - Klasse 4 (2W @ GSM 850/EGSM 900 MHz) Klasse 1 (1 W bei DCS 1800/PCS 1900 MHz) 4. GPRS-Konnektivität GPRS Multi-Slot Klasse 12 (Standard) - GPRS Multi-Slot Klasse 1~12 (konfigurierbar) 5. GPRS-Datenfunktion Downlink-Geschwindigkeit: max. 85,6 kbit/s Uplink-Geschwindigkeit: max. 85,6 kbit/s Codierungsschemata: CS-1\CS-2\CS-3\CS-4 - Unterstützt PAP (Password Authentication Protocol) für PPP-Verbindung Unterstützt PBCCH - Unterstützt USSD 6. SMS - Unterstützt den MT/MO/CB/Text/PDU-Modus SMS-Speicher: SIM-Karte 7. Ton Sprachcodierungs-/Decodierungsmodus: Halbe Rate \ Volle Rate \ Verbesserte volle Rate \ Adaptive Mehrfachrate Unterstützt Echounterdrückung Unterstützt die Rauschunterdrückung GNSS 1. Empfängertyp - 33 Tracking-Kanäle - 99 Erfassungskanäle - GPS L1 C/A-Code 2. Sensibilität Verfolgung: 165 dBm Kaltstarts: 148 dBm 3. Zeit bis zur ersten Lösung Kaltstarts: 28 s (typ.) Heißstarts: < 1s Warmstarts: 26 s 4. Genauigkeit Horizontale Position: <2,5 m CEP Bluetooth 1. Integriert AT-Befehle 2. Entspricht der Bluetooth-Spezifikation 3.0 + EDR 3. Unterstützt SPP, OPP, HFP/HSP usw. Sonstiges 1. Betriebsspannung: 5V 2. Betriebstemperatur: -40 °C ~ 85 °C 3. Lagertemperatur: -45 Grad C ~ 90 Grad C 4. Abmessungen: 30,2 mm x 65 mm Was ist an Bord 1. SIM868-Modul 2. ZMM5V1: Reglerdiode 3. SMF05C: TVS-Diode 4. CP2102: USB-ZU-UART-Konverter 5. MP1482: Leistungschip 6. NDC7002N: Spannungspegelumsetzer 7. GPS-Statusanzeige 8. NET-Indikator: - Blinkt schnell, wenn das Modul startet - Blinkt langsam, nachdem die GSM-Registrierung erfolgreich war 9. Arbeitsstatusanzeige des STA-Moduls 10. SIM868 UART Tx/Rx-Anzeige 11. Betriebsanzeige 12. SIM868-Steuertaste: Drücken Sie die Taste und halten Sie sie 1 Sekunde lang gedrückt, um das SIM868 zu starten/herunterzufahren. 13. Raspberry Pi GPIO-Anschluss 14. SIM-Kartensteckplatz 15. USB-ZU-UART-Schnittstelle 16. 3,5-mm-Kopfhörer-/Mikrofonbuchse 17. GNSS-Antennenanschluss 18. Bluetooth-Antennenanschluss 19. GSM-Antennenanschluss 20. CR1220 Batteriehalter: für RTC Backup-Batterie 21. UART-Auswahlschalter - A: Steuern Sie den SIM868 über USB TO UART - B: Steuern Sie das SIM868 über Raspberry Pi - C: Zugriff auf Raspberry Pi über USB TO UART Packungsinhalt 1. GSM/GPRS/GNSS-HAT x1 2. GSM-Antenne x1 3. Externe GPS-Antenne (B) x1 4. Bluetooth-Antenne x1 5. USB Typ A Stecker auf Micro-Stecker Kabel x1 6. RPi-Schraubenpaket (2 Stück) x1 Spezifikation: Paketgewicht Gewicht eines Pakets 0,19 kg / 0,41 lb Einheitspackungsgröße 14 cm * 8 cm * 3 cm / 5,51 Zoll * 3,15 Zoll * 1,18 Zoll Menge pro Karton 260 Kartongewicht 15,00 kg / 33,07 lb Kartongröße 56 cm * 40 cm * 39 cm / 22,05 Zoll * 15,75 Zoll * 15,35 Zoll Container laden 20GP: 305 Kartons * 260 Stück = 79300 Stück 40HQ: 708 Kartons * 260 Stück = 184080 Stück

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1. Made of quality material, durable to use. 2. 6 pins pitch connector, 1x5 type 5 keys. 3. White sticker can peel off for adhesive mounting. 4. The back can be firmly fixed to the chassis surface. 5. Used widely in industrial and home electronic equipments, instrument, etc.Specification: General Material ABS Length Transparence cable length: 83mm Size Pad Size: 107 x 20 x 0.8mm Weight 3g Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 21cm * 4cm * 0.3cm / 8.27inch * 1.57inch * 0.12inch Qty per Carton 300 Carton Weight 10.20kgs / 22.49lb Carton Size 44cm * 22cm * 17cm / 17.32inch * 8.66inch * 6.69inch Loading Container 20GP: 1620 cartons * 300 pcs = 486000 pcs40HQ: 3761 cartons * 300 pcs = 1128300 pcs

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1. Frequency range: FRS2. Channel number: 163. Output power: 2W4. Working voltage: 3.7V DC5. Battery capacity: 1200mAh (lithium ion)6. Audio distortion: less than 5%7. Frequency stability: +/-2.5ppm8. Frequency deviation: less than or equal to 5KHz/less than or equal to 2.5KHz9. Adjacent channel selectivity: ≥65dB10. Spurious response: greater than or equal to 55dB11. Current: less than or equal to 1.3A12. Functions: monitor, scan, encryptor, companding, VOX, VOX delay, alarm, squelch level, timeout timer, CTCSS&DCS, battery saving mode, battery voltage prompt, high//low output power, etc.13. Dimensions (including battery): 240x65x38mm14. Weight (including battery): 280gSpecification: Package Weight One Package Weight 0.60kgs / 1.31lb One Package Size 26cm * 6cm * 21cm / 10.24inch * 2.36inch * 8.27inch Qty per Carton 10 Carton Weight 7.55kgs / 16.64lb Carton Size 26cm * 30cm * 42cm / 10.24inch * 11.81inch * 16.54inch Loading Container 20GP: 814 cartons * 10 pcs = 8140 pcs40HQ: 1889 cartons * 10 pcs = 18890 pcs

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1. Interface standard: compliant with RS485 standard2. Physical interface: RS485 wiring terminal3. Communication rate: 300-460800bps baud rate (adaptive)4. Support points: each RS485 interface can support up to 32 nodes5. Communication distance: 1200m (9600bps), the higher the communication rate, the shorter the distance6. Working mode: RS485 two-wire (A, B), half-duplex transparent transmission7. Power supply voltage: DC 9-24V8. Transmission medium: ordinary parallel wire/twisted pair9. Size: about 12.1 x 7.2 x 3cmFeatures:1. 8-way RS485 slave port can be extended by one 485 master port with isolation and relay2. RS485 network relay, extension and isolation functions can be realized3. The isolated RS485 interface at the RS485 master port can be connected to RS485 master control devices, and the extended 8-way isolated RS485 interface can be externally connected to various RS485 slave devices, such as RS485 sensors, etc.4. Built-in optoelectronic isolation protection circuit, RS485 master and slave devices are isolated, which can effectively protect RS485 master and slave devices from the damage of ground potential difference between devices, static electricity, surge, which can be applied to industrial environment with high requirements of reliability and safety5. Wide baud rate range, support 300-460800bps wide baud rate communication range (self-adaptive)6. Support 35mm standard rail with rail clips, easy to installSpecification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 15cm * 10cm * 4cm / 5.91inch * 3.94inch * 1.57inch 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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Hardware specifications 1. Chipset: ESP32-WROVER-B, AXP192 power management chip 2. Flash: 4MB 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 Packing list 1. T-PCIE 4MB x 1 2. Charging cable x 1 3. Needle Pin x 2Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 300 Carton Weight 13.00kgs / 28.66lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 300 pcs = 169800 pcs40HQ: 1314 cartons * 300 pcs = 394200 pcs

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parameter:1. Rated voltage: 12/24V lead-acid battery voltage2. Maximum charge and discharge current: 60A3. Solar panel input voltage range: maximum 18V-750W/36V-1500W4. Load working time setting: 1-24 hours adjustable5. Charging mode: PWM6. Overvoltage protection: 17V/34V7. Fully disconnected: 13.8V/27.6V adjustable8. Undervoltage disconnection: 10.8V/21.6V adjustable9. Over-discharge recovery voltage: 12.2V adjustable10. Wiring specification: less than or equal to No. 3 AWG (22 square millimeters)11. Working environment temperature: -25-55 degrees CelsiusFeatures:1. This controller is used for solar off-grid systems or solar street lights, solar power generation systems, etc., to adjust charging and discharging. It can prevent the battery from over-discharging and causing damage.2. 12V/24V automatic identification of lead-acid battery voltage, maximum charge and discharge current 60A3. Vivid LCD graphic symbol LCD display, simple button mode.4. Intelligent micro-processing with automatic temperature compensation according to the pulse width PWM charging method.5. Adjustable charge and discharge control parameters, load working mode that can be set6. Various protection functions such as battery reverse discharge, undervoltage, and reverse connection protection7. Polarity reverse connection protection, overload protection, overcharge protection, short circuit protection.8. Has a wide range of applicability, automatic recognition of day/night9. The timing period of street lamps is adjustable from 1 to 24 hours, with dual period load discharge setting function10. Unique dual time control enhances the flexibility of the street light system11. Adopt temperature compensation, automatically adjust charging and discharging parameters, and improve battery lifeSpecification: Package Weight One Package Weight 0.76kgs / 1.68lb One Package Size 23cm * 16cm * 9cm / 9.06inch * 6.3inch * 3.54inch Qty per Carton 38 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 38 pcs = 6726 pcs40HQ: 412 cartons * 38 pcs = 15656 pcs

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Product model: pzem-061 (V2.0) Function 1. Electrical parameter measurement function (voltage, current, active power, electric quantity). 2. Overload alarm function (over power alarm threshold, backlight and power flashing). 3. Power alarm threshold presetting function (you can set the power alarm threshold by yourself). 4. Power button reset function. 5. Power off data saving function. 6. Large-screen LCD full display function (display voltage, current, active power and electric quantity at the same time). 7. Backlight function. 8. Display and buttons Matters needing attention 1. This module is suitable for indoor use and cannot be used outdoors. 2. The added load shall not exceed the rated power. 3. Make no mistake about the wiring sequence. Specification 1. Working voltage: 80-260VAC 2. Test voltage: 80-260VAC 3. Rated power: 100A/22000W 4. Operating frequency: 45-65Hz 5. Measurement accuracy: level 1.0Specification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 11cm * 7.3cm * 3.5cm / 4.33inch * 2.87inch * 1.38inch Qty per Carton 200 Carton Weight 22.90kgs / 50.49lb Carton Size 42cm * 34cm * 28cm / 16.54inch * 13.39inch * 11.02inch Loading Container 20GP: 666 cartons * 200 pcs = 133200 pcs40HQ: 1548 cartons * 200 pcs = 309600 pcs

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1. It can measure and display 6 parameters such as AC voltage, AC current, active power, power factor, frequency and electric energy at the same time\2. The instrument display part adopts color high-definition LCD screen3. Auto-save function: When the power is off, the meter will automatically save the current energy value, and the meter will read the value after the next power-on, and continue to accumulate4. Measurement speed: about 2 times/second5. Dimensions: 79x43x48mmMeasuring range:1. AC voltage: AC80.0-300.0V, or AC200.0-450.0V2. AC current: AC0－99.99A, the current display resolution is 0.01A, when it exceeds 100A, it displays 100.0A3. Power frequency: 45.0Hz-65.0Hz4. Power factor: 0.00-1.00PF5. Active power: The measurement range is 0-45000W (the display resolution between 0-9999.9W is 0.1W, the rest is 1W)6. Electric energy: The measuring range is 0-99999kwhHow to use and connect1. Connect according to the wiring diagram in the attached picture, connect the secondary end of the current transformer with the instrument (green lead) to the blue terminal of the instrument, and pass the wire of the measurement loop through the middle round hole of the current transformer2. Connect the voltage measurement lead to the green terminal of the meter; then connect the measurement voltage; start reading the measurement results3. After the power is turned on, the meter displays the measured value4. Press and hold the reset button on the front panel of the instrument for 5 secondsSpecification: Package Weight One Package Weight 0.12kgs / 0.25lb One Package Size 10cm * 6.5cm * 6.5cm / 3.94inch * 2.56inch * 2.56inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 46cm * 30cm * 30cm / 18.11inch * 11.81inch * 11.81inch Loading Container 20GP: 644 cartons * 98 pcs = 63112 pcs40HQ: 1495 cartons * 98 pcs = 146510 pcs

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