ESP-07S Wi-Fi Module with U.FL Antenna SupportThe ESP 07S is a compact and FCC CE certified Wi Fi module based on the powerful ESP8266EX chipset. Designed by AI Thinker, this version provides full I O breakout and a U. FL (IPEX) connector for an external antenna, delivering robust wireless connectivity in a small form factor. Features Espressif ESP8266EX integrated 32 bit Tensilica L106 MCU (up to 160 MHz) Supports IEEE 802. 11 b g n Wi Fi with embedded TCP IP stack : contentReference[oaicite:

Model PIR HC-SR501 Working Voltage  DC 4

Many new features have been included to lower system costs while also improving design flexibility

Model SIM800A Chip  Brand SIMCOM  Frequency Band Dual-band 900/1800MHz  Supply voltage range  3

Tolerance:  5%

LEDs have two terminals Anode(+) and Cathode(-)

The uninterruptible power supply

it provides reliable protection across a wide range of Applications

Three Anodes

8mm Thin PCB

wider DCMAX

VCC and En

no blocking diode is required