{"product_id":"lilygo-ttgo-t-higrow-esp32wroom-wifi-and-bluetooth-battery-and-dht11-soil-temperature-and-humidity-photometric-electrolyte-sensor","title":"LILYGO TTGO T-Higrow ESP32wroom WiFi And Bluetooth Battery And DHT11 Soil Temperature And Humidity Photometric Electrolyte Sensor","description":"\u003col\u003e\n\u003cli\u003eWorking current:150 mA\u003c\/li\u003e\n\u003cli\u003eSleep current: 220 uA\u003c\/li\u003e\n\u003cli\u003eWorking temperature range:-40℃ ~ +85℃\u003c\/li\u003e\n\u003cli\u003ePower Supply Input:USB 5V\/1A\u003c\/li\u003e\n\u003cli\u003eCharging current:500mA\u003c\/li\u003e\n\u003cli\u003eBattery Input:3.7-4.2V\u003c\/li\u003e\n\u003cli\u003eBattery:3.7V lithium battery\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan data-spm-anchor-id=\"a2g0o.detail.1000023.i20.2780146cdJNp2L\"\u003eTTGO T-Higrow Esp32Wroom Introduction\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis product comes with Wifi Bluetooth Humidity Photometric Electrolyte Sensor Unsoldered. The capacitive soil moisture sensor differs from most of the resistive sensors on the market, using the capacitive sensing principle to detect soil moisture. It avoids the problem that the resistance sensor is easy to corrode and greatly prolongs its working life.S18B20 waterproof temperature sensor is used for this product and t-watch with the t-grove interface. For example, it can be used to test the temperature and humidity of flowerpot soil and environment, as well as the water temperature of fish tanks when raising fish.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis capacitive soil moisture sensor differs from most of the resistive sensors on the market, using the capacitive sensing principle to detect soil moisture.\u003c\/li\u003e\n\u003cli\u003eIt avoids the problem that the resistance sensor is easy to corrode and greatly prolongs its working life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003ch4\u003e\u003cspan\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSince BME280 already includes temperature and humidity sensors, it already includes the function of DHT11, we have removed the DHT11 sensor on the BME280 version to reduce costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e MCU\u003c\/td\u003e\n\u003ctd\u003eESP32 chip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFLASH\u003c\/td\u003e\n\u003ctd\u003e4MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e Xtensa dual-core 32-bit LX6 microprocessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003e BLE V4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard\u003c\/td\u003e\n\u003ctd\u003eReset Button + Custom Button IO35 + ABS material shell + Jst 2pin 1.25mm connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVersion Optional\u003c\/td\u003e\n\u003ctd\u003eDHT11\/ BME280 Version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital 16bit Ambient\u003cstrong\u003e Light Sensor\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSDA: IO25; SCL: IO26\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC Name\u003c\/td\u003e\n\u003ctd\u003eBH1750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI2C bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e Wide range and Highest resolution(1 – 65535 lx)\u003cbr\u003e50Hz\/ 60Hz Light noise reject-functionButton: IO0Wake up : IO35ResetUSB to TTL: CP2104Modular interface:UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、capacitor touch sensor、ADC、DACLNA pre-amplifier\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOn-board clock: 40MHz crystal oscillator\u003c\/p\u003e\n\u003cp\u003eTemperature and humidity sensor DHT11\u003c\/p\u003e\n\u003cp\u003eReserved extension interface:21~22\u003c\/p\u003e\n\u003cp\u003eWorking current: About 150 mA\u003c\/p\u003e\n\u003cp\u003eSleep current: About 220 uA\u003c\/p\u003e\n\u003cp\u003eWorking temperature range: -40℃ ~ +85℃\u003c\/p\u003e\n\u003cp\u003eSize\u0026amp;Weight:155.04\u003cem\u003e35\u003c\/em\u003e8.19mm(13.65g)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower Supply Input: USB 5V\/1A\u003c\/p\u003e\n\u003cp\u003eCharging current:500mA\u003c\/p\u003e\n\u003cp\u003eBattery Input: 3.7-4.2V\u003c\/p\u003e\n\u003cp\u003eBattery:3.7V lithium battery\u003c\/p\u003e\n\u003cp\u003eCharge IC: TP4054\u003c\/p\u003e\n\u003cp\u003eJST Connector:2Pin 1.25mm\u003c\/p\u003e\n\u003cp\u003eUSB: Type-C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWi-Fi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStandard: FCC\/CE-RED\/IC\/TELEC\/KCC\/SRRC\/NCC (ESP32 chip)\u003c\/p\u003e\n\u003cp\u003eProtocol:802.11 b\/g\/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection interval\u003c\/p\u003e\n\u003cp\u003eFrequency range:2.4GHz~2.5GHz(2400M~2483.5M)\u003c\/p\u003e\n\u003cp\u003eTransmit Power:22dBm\u003c\/p\u003e\n\u003cp\u003eCommunication distance:300m\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProtocol: Meet Bluetooth v4.2BR\/EDR and BLE standard\u003c\/p\u003e\n\u003cp\u003eRadiofrequency:With -97dBm sensitivity NZIF receiver Class-1,Class-2\u0026amp;Class-3 emitter AFH\u003c\/p\u003e\n\u003cp\u003eAudio frequency CVSD\u0026amp;SBC audio frequency\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWi-Fi Mode:Station\/SoftAP\/SoftAP+Station\/P2P\u003c\/p\u003e\n\u003cp\u003eSecurity mechanism: WPA\/WPA2\/WPA2-Enterprise\/WPS\u003c\/p\u003e\n\u003cp\u003eEncryption Type: AES\/RSA\/ECC\/SHA\u003c\/p\u003e\n\u003cp\u003eFirmware upgrade: UART download\/OTA（Through network\/host to download and write firmware）\u003c\/p\u003e\n\u003cp\u003eSoftware Development: Support cloud server development \/SDK for user firmware development\u003c\/p\u003e\n\u003cp\u003eNetworking protocol: IPv4、IPv6、SSL、TCP\/UDP\/HTTP\/FTP\/MQTT\u003c\/p\u003e\n\u003cp\u003eUser Configuration: AT + Instruction set, cloud server, android\/ios app\u003c\/p\u003e\n\u003cp\u003eOS: FreeRTOS\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eMain function\u003c\/strong\u003e\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eSoil Fertility detection\u003c\/li\u003e\n\u003cli\u003eSoil moisture detection\u003c\/li\u003e\n\u003cli\u003eLight intensity detection\u003c\/li\u003e\n\u003cli\u003eAmbient temperature and humidity 6. USB+200mA battery\u003c\/li\u003e\n\u003cli\u003eLow power sleep\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/6796\/1387\/files\/ttgo.jpg?v=1741183341\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lilygo","offers":[{"title":"Default Title","offer_id":41364214972459,"sku":"1031146","price":2299.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/6796\/1387\/files\/unnamed-500x500.jpg?v=1741182503","url":"https:\/\/www.indianhobbycenter.com\/products\/lilygo-ttgo-t-higrow-esp32wroom-wifi-and-bluetooth-battery-and-dht11-soil-temperature-and-humidity-photometric-electrolyte-sensor","provider":"Indian Hobby Center","version":"1.0","type":"link"}