README-en.md

Automatic alarm clock turret

Русский(Russian) • English

Description

Automatic water turret alarm clock

Main parts

• esp8266 NodeMCU v3;
• 2 x 18650 Batteries and battery compartment for them;
• SSD1306 128x64 I2C display;
• PCA9685 module;
• DS1302 real time clock;
• LM2596 step down dc/dc converter;
• 2 x MG995 Servos;
• 2 x HW-517 or other transistor switch;
• water pump;
• speaker;
• silicone tube D=10mm, d=7mm;
• 2 x plywood 150x150x6 mm for the base; (+ second_link_base.stl can also be cut from plywood)
• toggle switch;
• HC-SR501 motion sensor;
• breadboard (optional);
• [links, body, etc.] (https://www.thingiverse.com/thing:5167743)

Fasteners

• Self-tapping screw DIN7982 3.5x9.5 x2;
• Self-tapping screw DIN7981 2.2x9.5 x20;
• Self-tapping screw DIN7981 2.9x9.5 x14;
• Screw DIN7985 M3x25 x1;
• Screw DIN7985 M3x16 x6;
• Screw DIN7985 M3x12 x21;
• Screw DIN965 M6x60 x4;
• Nut DIN934 M3x0.5 x28;
• Nut DIN934 M6x5 x4;

Wiring diagram

Sketch

Sketch for NodeMCU: alarm_clock_turret/alarm_clock_turret.ino In the same folder there is a resource file (images, html pages, etc.): sources.h and robot voice files in Russian sounds_ru.h and English sounds_en.h languages. For more details watch the video.