Feature:
1. Equipped with ESP32 chip, TYPE-C interface, adopting charging IC of TP4054.
2. Adopt DHT12 temperature and humidity sensor, stable performance, reliable to use.
3. Added button wake-up function (IO35) and soil salinity test function (CD4060BM+TL034IDR).
4. Added illumination (BH1750FV1) strength test. Reserved external device expansion (single bus serial port IIC----21~22).
5. Longer battery life. In the case of testing moisture, the salt and photosynthetic absorption of the soil can be tested.
Specification:
Item Type
Module
Condition
100percent brand new
Material
PCB
Hardware
Chipset
For ESPRESSIF-ESP32 (Wi-Fi & Bluetooth)240MHz Xtensa singledual-core 32-bit LX6 microprocessor
FLASH
QSPI flash 4MB
SRAM
520kB SRAM
Button
IO0
Wake up
1O35
USB to TTL
CP2104
Modular Interface
UART, SPI, SDIO, I2C, LED PWM, TV PWM, 12S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier
On-board Clock
40MHz crystal oscillator
Temperature and Humidity Sensor
DHT12
Reserved Extension Interface
21~22
Working Current
About 150mA
Sleep Current
About 220uA
Working Temperature Range
-40 celsius ~+85 celsius
Size&Weight
Approx. 155.04x35x8.19mm6.1x1.38x0.32in, 13.65g
Power Supply
Power Supply Input
USB 5V1A
Charging Current
500mA
Battery Input
3.7-4.2V
Battery
3.7V lithium battery
Charge IC
TP4054
JST Connector
2Pin 1.25mm
USB
Type-C
Wi-Fi
Standard
FCCCE-REDICTELECKCCSRRCNCC (ESP32 chip)
Protocol
802.11 bgn(802.11n, speed up to150Mbps) A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval
Frequency Range
2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power
22dBm
Communication Distance
300m0.3km
Bluetooth
Protocol
Meet Bluetooth v4.2BREDR and BLE standard
Radio Frequency
With-97dBm sensitivity NZIF receiver Class-1, Class-2& Class-3 emitter AFH
o Frequency
CVSD&SBC o frequency
Software
Wi-Fi Mode
StationSoftAPSoftAP+StationP2P
Security Mechanism
WPAWPA2WPA2-EnterpriseWPS
Encryption Type
AESRSAECCSHA
Firmware Upgrade
UART downloadOTA (Through networkhost to download and write firmware)
Software Development
Support cloud server developmentSDK for user firmware development
Networking Protocol
IPv4, IPv6, SSL, TCPUDPHTTPFTPMQTT
User Configuration
AT+Instruction set, cloud server, For AndroidiOS app
OS
For FreeRTOS
.
Package List:
1 x Module
2 x Pin Feet1 x Power Line
