• universajiot

    universajiot

    Hand-solderable 9V battery-powered 555 timer astable circuit that blinks a red LED about once per second through an on/off switch.

    W

    wid1cw

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    U
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    U

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V 555 LED Blinker

    9V 555 LED Blinker

    Hand-solderable 9V battery powered NE555 astable circuit that blinks a red LED about once per second through an on/off switch.

    V

    vignesh08

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V 555 LED Blinker

    9V 555 LED Blinker

    Hand-solderable 9V battery-powered red LED blinker using a 555 timer astable oscillator, on/off switch, and through-hole components.

    A

    amirkat

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 12V 555 Ignition Coil Driver

    12V 555 Ignition Coil Driver

    12 V NE555 astable ignition-coil driver using an IRF840 MOSFET low-side switch with gate conditioning, decoupling, input/output connectors, and flyback clamp protection.

    J

    jmel811

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V 555 LED Blinker

    9V 555 LED Blinker

    Hand-solderable 9V battery-powered 555 timer circuit that blinks a red LED at about once per second through an on/off switch.

    P

    phukovsky

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    U

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • thermal monitor

    thermal monitor

    Hand-solderable 9V battery-powered red LED blinker using a 555 timer, on/off switch, and through-hole support components for approximately one blink per second.

    P

    prawinm

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 1 Hz 555 LED Blinker gPJ6

    1 Hz 555 LED Blinker gPJ6

    Through-hole 9V battery-powered 555 timer circuit that blinks a red LED approximately once per second using an on/off switch and hand-solderable components.

    B

    brooks

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32 Wearable Vibration Alert

    ESP32 Wearable Vibration Alert

    Compact Li-Po powered ESP32 wearable vibration alert prototype for construction worker safety monitoring, using a relay module to directly switch a 3V coin vibration motor with beginner-friendly soldering and labeled PCB wiring.

    L

    luccabellinello

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V 555 LED Blinker

    9V 555 LED Blinker

    Hand-solderable 9V battery-powered red LED blinker using a 555 timer in astable mode, with on/off switch and required decoupling/bypass capacitors.

    L

    ltembedded

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Dual Well Pump Controller

    Dual Well Pump Controller

    Controller for two low-producing water wells that meters pump runtime/volume into an above-ground tank and inhibits pumping when an external tank-full float switch is active.

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    jasonmcbrayer

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    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V Hand-Solder 555 Blinker

    9V Hand-Solder 555 Blinker

    Hand-solderable 9V battery-powered red LED blinker using a 555 timer astable circuit, on/off switch, and through-hole support components.

    B

    bryan

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • May 2026 9V 555 LED Blinker

    May 2026 9V 555 LED Blinker

    Through-hole 9V battery-powered 555 timer circuit that blinks a red LED about once per second through an on/off switch, designed for easy hand soldering.

    B

    brooks

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Through-Hole 555 LED Blinker

    Through-Hole 555 LED Blinker

    Hand-solderable 9V battery powered 555 timer circuit that blinks a red LED once per second through an on/off switch.

    B

    brooks

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • door alarm system

    door alarm system

    9 V reed-switch alarm schematic with BC547 transistor latch/driver, LED indicator, buzzer, power input, and reed switch input.

    K

    katealexia0

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V 555 LED Blinker

    9V 555 LED Blinker

    Hand-solderable 9 V battery-powered 555 timer circuit that blinks a red LED approximately once per second through an on/off switch.

    B

    b3dn

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Brooks Through-Hole 9V 555 LED Blinker

    Brooks Through-Hole 9V 555 LED Blinker

    Through-hole 9V NE555 astable timer circuit that blinks a red LED about once per second using a battery and on/off switch.

    B

    brooks

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V DIP-555 Red LED Flasher

    9V DIP-555 Red LED Flasher

    Hand-solderable 9V battery powered 555 timer circuit that blinks a red LED once per second through an on/off switch.

    B

    brooks

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Satisfactory Moccasin T-800

    Satisfactory Moccasin T-800

    Through-hole 9 V battery powered 555 timer circuit that blinks a red LED once per second using an on/off switch.

    B

    brooks

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • 9V 555 LED Blinker

    9V 555 LED Blinker

    Hand-solderable 9V 555 timer circuit that blinks a red LED once per second through an on/off switch.

    N

    nico

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • 106_Project_Wiringv2

    106_Project_Wiringv2

    9V battery-powered NE555 astable blinker that flashes a through-hole red LED at roughly 1 Hz through an on/off switch.

    Z

    zynxu

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • 106_Project_Wiring

    106_Project_Wiring

    9V battery-powered NE555 astable blinker that flashes a through-hole red LED at roughly 1 Hz through an on/off switch.

    Z

    zynxu

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • 1 Hz 555 LED Blinker

    1 Hz 555 LED Blinker

    9V battery-powered 1 Hz red LED blinker using a through-hole 555 astable timer, on/off switch, and hand-solderable components.

    B

    brooks

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • 555 LED Blinker

    555 LED Blinker

    Through-hole 9V NE555 red LED blinker circuit with on/off switch

    B

    brooks

    +

    U

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Open Hornet 16-Channel 28V Magnetic Hold Driver

    Open Hornet 16-Channel 28V Magnetic Hold Driver

    Open Hornet 16-channel 28 V magnetic-hold coil driver for Honeywell ET switches. Arduino Mega/Pro Micro logic inputs drive low-side 100 V MOSFET channels for ET switch magnet coils with common ground, fail-safe pulldowns, 100 V flyback protection, dedicated 28 V coil input, and conservative high-current 4-layer PCB routing.

    S

    sddvox

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • 555 LED Blinker

    555 LED Blinker

    9V battery-powered 555 astable timer circuit that blinks a through-hole red LED at about 1 Hz through an on/off switch.

    D

    dacre

    3 months ago

    0 Uses

    0 Comments

    0 Stars

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