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Description:the main chip using Lexin ESP32, Tensilica LX6 dual-core processor, clocked at 240MHz, computing power up to 600DMIPS, chip built-in 520 KB SRAM, 802.11 b / g / N HT40 Wi-Fi transceiver, baseband, protocol stack and LWIP, integrated dual-mode Bluetooth (traditional Bluetooth and BLE low power Bluetooth). This product is based on the WIFI 32 added SX1278 chip, that is, LoRa ™ remote modem, 433MHz frequency, about -148dBm high sensitivity, +20 dBm power output, high reliability. Onboard 128MByte Flash, Wi-Fi antenna,  lithium battery charging circuit and interface, CP2102 USB to serial chip, the perfect support for Arduino development environment, can be very simple and fast for program verification and product development. Operating voltage: 3.3V to 7VOperati...
TTGO T7 ESP32 Module PICO-D4 4MB SPI Flash Product DetailsUse Example(This product does not include battery)Shipping List:ESP32 T7*1Pin*12
Description:the main chip using Lexin ESP32, Tensilica LX6 dual-core processor, clocked at 240MHz, computing power up to 600DMIPS, chip built-in 520 KB SRAM, 802.11 b / g / N HT40 Wi-Fi transceiver, baseband, protocol stack and LWIP, integrated dual-mode Bluetooth (traditional Bluetooth and BLE low power Bluetooth). This product is based on the WIFI 32 added SX1278 chip, that is, LoRa ™ remote modem, 433MHz frequency, about -148dBm high sensitivity, +20 dBm power output, high reliability. Onboard 128MByte Flash, Wi-Fi antenna,  lithium battery charging circuit and interface, CP2102 USB to serial chip, the perfect support for Arduino development environment, can be very simple and fast for program verification and product development. Operating voltage: 3.3V to 7VOperati...
describe:The 433MHz antenna must be used in conjunction with the IPEX interface (if the antenna is not connected, it may damage the LoRa chip)Lithium battery charging and discharging circuit, when the battery is full, the blue LED will stop working. When using, pay attention to the positive and negative of the battery, otherwise it will be damaged!Using the IO port touch screen touch signal input, you need to add the 100nF pull-down capacitor at this pin! Example:This product is a SX1278 chip based on ESP32 WIFI increased OLED, namely LoRa remote modem, 433MHz frequency, high sensitivity is about -148dBm, +20dBm output power, high reliability, long transmission distance.The onboard 32MByte Flash, Wi-Fi antenna, 0.96 inch blue OLED display, lithium battery charging circuit, CP2102 inte...
describe:The 433MHz antenna must be used in conjunction with the IPEX interface (if the antenna is not connected, it may damage the LoRa chip)Lithium battery charging and discharging circuit, when the battery is full, the blue LED will stop working. When using, pay attention to the positive and negative of the battery, otherwise it will be damaged!Using the IO port touch screen touch signal input, you need to add the 100nF pull-down capacitor at this pin!Example:This product is a SX1278 chip based on ESP32 WIFI increased OLED, namely LoRa remote modem, 433MHz frequency, high sensitivity is about -148dBm, +20dBm output power, high reliability, long transmission distance.The onboard 32MByte Flash, Wi-Fi antenna, 0.96 inch blue OLED display, lithium battery charging circuit, CP2102 interface ...
Notice: The new tracking number for China Post Ordinary Small Packet Plus only can track it have been ship out of China, not more Tracking information ,even it arrived or not . if you can not accept without more tracking information . Please choose China Post Air Mail if you want a full tracking info.Description100% brand newSupport 3.3V, 5Vchipset FT232RLUSB power has over current protection, using 500MA self-restore fuseRXD/TXD transceiver communication indicatorPin definition: DTR,RXD,TXD,VCC,CTS,GNDPitch:2.54mmModule size:36mm(length)*17.5mm(width)
MPU9250 + BMP280 module(Three-axis gyroscope + triaxial accelerometer + triaxial magnetic field + pressure)Module Model: GY-91Use chip: MPU-9250 + BMP280Power supply: 3-5v (internal low dropout regulator)Communication: standard IIC / SPI communications protocol( Chip 16bit AD converter, 16-bit data output )Gyroscopes range: ± 250 500 1000 2000 ° / sAcceleration range: ± 2 ± 4 ± 8 ± 16gField range: ± 4800uTPressure range: 300-1100hPaUsing Immersion Gold PCB, machine welding process to ensure quality2.54mm pitchModule size 14.3mm * 20.5
SSD1306 display(0x3c,5,4);  Test details  Pin reference description   Ineinfuhrung: ESP32 is already integrated antenna and rf balun, power amplifier, low noise amplifiers, filters, and the power management module. the entire solution is the least amount of pcb area. this board is 2.4 ghz dual mode wi fi and bluetooth chips by tsmc 40nm low power technology, power and rf characteristics of best, which is safe, reliable, and scalable to a wide range of applications. Features: high performance - price - ratiosmall volume, easy embeded to other productsstrong function, with the support of lwip protocol, freertossupport three modes: ap, sta and ap + stasupport for lua program, easy to develop  Click the link for more details:...
Shipped according to the kind of your choice   First kind shipping list:1.8 pins Long femalepinsx2pcs 2.8 pins Short female pins x2pcs3.8 pins Normal pins x2pcsSecond kinds shipping list:1.7 pins Long femalepinsx2pcs 2.7 pins Short female pins x2pcs3.7 pins Normal pins x2pcs4.2 pins Long femalepinsx2pcs 5.2 pins Short female pins x2pcs6.2 pins Normal pins x2pcs
WIFI NodeM ESP8266+32Mb, module is based on widely explored esp8266 System on Chip from Expressif.WIFI NodeM ESP8266+32Mb, compatible for NodeMCU board. We add extra memory size to 32Mb. This better, for make big project with big library. You not need to worry about size of memory.On board have USB-TTL serial converter CH340G, with Micro-USB socket.PowerIn for DC 4~9V, to pin VIN.Pin headers 2.54mm (0.1") 15 pins x 2 lines in set. Don't soldered. It combined features of WIFI accesspoint and station + microcontroller and uses simple LUA based programming language. WIFI NodeM ESP8266+32Mb, offer:Arduin0-like hardware IO. And can programming in Arduin0 IDEEvent-driven API for network applicaitons10 GPIOs D0-D10, PWM functionality, IIC and SPI communicaiton, ...
Specification:100% brand new and high qualityCharge module- Linear charging.It has MICRO USB femaleIt still retain the input voltage wiring solder joints, can be very convenient to DIYSpecifications:Current- 1A adjustable.Charge precision- 1.5%.Input voltage- 4.5V-5.5V.Full charge voltage- 4.2V.Led indicator- red is charging Green is full charged.Input interface- micro USB.Work temperature- -10C to +85C.Inversed polarity- NO.Size: 27X17mm.NOTE:Only one 18650 batteries (6000mAh) you can charge with this charger in parallel at the same timeNOTE:1. Ampere meter can only be connected to 5v input end of the module.2. It is better that the charging current is 37% of the battery capacity. If you charge to the battery of 1000mAH, current of 400 is enough.3. The connection wire should not be too th...
Notice:   The new tracking number for  Yanwen Economic Air Mail can be traced only befor it arrive the airport of your country,please choose  Special Line-YW/China Post Air Mail or AliExpress Standard Shipping.if you want a full tracking info.The same product will arrive in 15 to 60 days.Tracking info of  Yanwen Economic Air Mail can be check here: www.17track.net/en based on the esp 8266ex.ard uino compatible, you can use it uino ide ard.11 digital i / o pins1 analog input pin ota wireless upload (programme) on board switching power supply - max 24 veingang, 5v 1a exit
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