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ESP32 is a highly-integrated 2.4 GHz Wi-Fi and Bluetooth Low-energy combo chip with in-built antenna switches, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules. Make your next IOT project really big with a Dual-core Tensilica LX6 microprocessor with up to 240MHz clock frequency, 520kB internal SRAM, 4MB Flash...
This module let you control four 250VAC - 10A relays with a 5V signal (15-20mA). Just send a logic TTL Active LOW signal from a microcontroller (Arduino, Raspberry Pi, 8051, AVR, PIC, DSP, ARM, MSP430) to switch the relay on. Inputs are Opto-isolated and there's Indication LED’s for Relay output status.
This Lipo battery charger board allows to charge and power your project with a stable 5V voltage from a Lithium batterie, a solar panel and/or from USB. No programming is required. Plug it in and it works. The internal charger IC handles all the power flow between the various components.
Evola µWiFi is a microcontroller module with integrated Wifi based on esp8266 chip, designed with minimal dimensions. It has an onboard 3.3V power regulator, includes all necessary pull-up resistors to operate and breaks out all esp8266 GPIOs pins.
This relay module can switch high voltage / high current with a 3V logic signal from a microcontroller. There's an optocoupler on the PCB to isolate and protect your circuit from noise. Works well with 3.3V devices like a Raspberry Pi and esp8266. Rated Relay voltage / current: 240VAC / 10ALogic signal voltage: 3V
The MSP430 LaunchPad is a low-cost but complete development solution for the Texas Instruments MSP430G2xx Value Line series. The integrated USB-based emulator offers all the hardware and software necessary to develop applications for all MSP430G2xx series devices.