Product main upgrade function attributes 1 Change the original ESP32 module to a single ESP32 chip 2 The charging IC is changed from the original TP5400 to TP4054 3 The original MICR seat is changed to TYPE C 4 The original normal power supply mode is changed to the button sleep wake up mode or the customer does the timing wake up by himself 5 The size of the board is 45MM smaller than the previous length and the width is increased by 2 54MMAdded part 1 Added sleep button wake up function IO35 2 Added the function of testing soil salinity CD4060BM TL034IDR 3 Increase the intensity test of light BH1750FVI 4 Reserved external device expansion single bus serial port IIC 21 22 Advantage The battery life is much longer than before In the case of testing moisture you can test the soil salt and photosynthetic absorption reasonable fertilization and proper sunshine HardwareSpecificationsChipsetESPRESSIF ESP32 Wi FiBluetooth 240MHz Xtensa single dual core 32 bit LX6 microprocessorFLASHQSPI flash 4MBSRAM520 kB SRAMButtonIO0Wake upIO35USB to TTLCP2104 update to CH9102F Modular interfaceUART SPI SDIO I2C LED PWM TV PWM I2S IRGPIO capacitor touch sensor ADC DACLNA pre amplifierOn board clock40MHz crystal oscillatorTemperature and humidityDHT12Reserved extension interface21 22Working currentAbout 150 mASleep currentAbout 220 uAWorking temperature range 4O°C 85°CSizeWeight155 04 35 8 19mm 13 65g Power SupplySpecificationsPower Supply InputUSB 5V 1AChar
Price history
Apr 18, 2022
€60.49