LILYGO®TTGO T-Higrow ESP32 WiFi And Bluetooth Battery And DHT12 Soil Temperature And Humidity Photometric Electrolyte Sensor(G301)Designed by Lilygo in China
LILYGO®TTGO T-Higrow ESP32 WiFi And Bluetooth Battery And DHT11 Soil Temperature And Humidity Photometric Electrolyte Sensor Hardware Specifications Chipset:ESPRESSIF-ESP32 (Wi-Fi & Bluetooth)240M...Read More…
LILYGO®TTGO T-Higrow ESP32 WiFi And Bluetooth Battery And DHT11 Soil Temperature And Humidity Photometric Electrolyte Sensor
Chipset:ESPRESSIF-ESP32 (Wi-Fi & Bluetooth)240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
FLASH:QSPI flash 4MB
SRAM:520 kB SRAM
Wake up :IO35
USB to TTL:CP2104
Modular interface:UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、capacitor touch sensor、ADC、DACLNA pre-amplifier
On-board clock: 40MHz crystal oscillator
Temperature and humidity sensor DHT11
Reserved extension interface:21~22
Working current:About 150 mA
Sleep current:About 220 uA
Working temperature range: -40℃ ~ +85℃
Power Supply Specifications
Power Supply Input:USB 5V/1A
Battery Input: 3.7-4.2V
Battery:3.7V lithium battery
JST Connector:2Pin 1.25mm
Standard:FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC (ESP32 chip)
Protocol:802.11 b/g/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection interval
Protocol:Meet bluetooth v4.2BR/EDR and BLE standard
Radio frequency:With -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio frequency CVSD&SBC audio frequency
Encryption Type: AES/RSA/ECC/SHA
Firmware upgrade:UART download/OTA（Through network/host to download and write firmware）
Software Development:Support cloud server development /SDK for user firmware development
User Configuration:AT + Instruction set, cloud server, android/iOSapp
3D Shell Print Download Link：
ALG 3000mAH 18650 battery could make ESP32 working.
This capacitive soil moisture sensor differs from most of the resistive sensors on the market, using 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 t-higrow and t-watch with t-grove interface. For example, it can be used with t-higrow to test the temperature and humidity of flowerpot soil and environment, as well as the water temperature of fish tank when raising fish. Of course, it can also test other temperatures as long as you want.
If you buy T-Higrow,the list is
1 x TTGO T-Higrow
2 x Pin
1 x Power cable
If you buy T-Higrow Kit,the list is
1 X T-Higrow Kit
(Assembled，Include T-Higrow Module ,White Shell and Built-in 200 mAh lithium battery）
If you buy T-Higrow Shell,the list is
1 X T-Higrow Shell
3 X Small screws
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