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AT89C2051-24PU Digital Clock DIY Kit- Build Your Own Digital Clock with Alarm

US $5.95

In stock 100 Products

AT89C2051-24PU Digital Clock DIY Kit- Build Your Own Digital Clock with Alarm

US $5.95

This is a simple DIY digital clock kit perfect for beginners. It is built around the AT89C2051-24PU microcontroller and offers basic features such as hour and minute display, minute and second display, and two alarm settings. The kit includes a buzzer for alarms, which sounds three beeps at the top of each hour (e.g., 1:00, 12:00). This feature is optional. You can power the clock using a 3.3V to 6V battery. There are two switches, S1 and S2, for setting the time and alarms. The time is shown on a 4-digit seven-segment display.

SKU: BC-9181

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Type: P

Vendor: All goods free shipping

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ATtiny85 Based HC-12 Tester Kit Transmitter and Receiver Modules (with Relay Control)

US $14.95 – US $34.95

In stock 4 Products

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ATtiny85 Based HC-12 Tester Kit Transmitter and Receiver Modules (with Relay Control)

US $34.95

SKU: HC-12BLUE-4

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Vendor: BUILDCIRCUITS

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Audio B Plus Bluetooth Audio Receiver Module

US $9.95

In stock 99 Products

Audio B Plus Bluetooth Audio Receiver Module

US $9.95

SKU: G55F28765D1791

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Type: Bluetooth Audio Receiver

Vendor: Tinysine

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AudioB I2S Bluetooth Digital Audio Receiver Module - SMA

US $11.95

In stock 100 Products

AudioB I2S Bluetooth Digital Audio Receiver Module - SMA

US $11.95

SKU: G5B07DB77F1D75

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Vendor: Tinysine

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AudioB I2S Bluetooth Digital Audio Receiver Module - U.FL

US $11.95

In stock 100 Products

AudioB I2S Bluetooth Digital Audio Receiver Module - U.FL

US $11.95

SKU: G5B07DC29EA8F8

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Vendor: Tinysine

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Basic trigger module for up down Scoreduino counters

US $14.95

In stock 10 Products

Basic trigger module for up down Scoreduino counters

US $14.95

Basic trigger module for operating up/down counters. Works with common anode seven segment display drivers only. Up, down and reset switches. Voltage range: 5V-20V. For example, 5V for 1.2″ driver and 20V for 5″ GREEN common anode display. Concatenate as many displays as you want.

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Vendor: BUILDCIRCUITS

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Black Piezo Piezoelectric Passive Buzzer Speaker Alarm 16x4mm

US $1.50

In stock 70 Products

Black Piezo Piezoelectric Passive Buzzer Speaker Alarm 16x4mm

US $1.50

SKU:

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Type: Buzzer

Vendor: Buildcircuit.COM

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Bluetooth and CRICKET Scoreboard Module Pack- HS 8542.31.00 and HS 8517.62.00

US $29.95

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Bluetooth and CRICKET Scoreboard Module Pack- HS 8542.31.00 and HS 8517.62.00

US $29.95

SKU: CRIC-SCOREBOARD-1

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Vendor: BUILDCIRCUITS

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Bluetooth Audio Receiver Board

US $14.95

In stock 100 Products

Bluetooth Audio Receiver Board

US $14.95

SKU: G545C6BD9E0750

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Type: Bluetooth Audio Receiver

Vendor: Tinysine

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Bluetooth Audio Receiver Board (Apt-X)

US $19.95

In stock 100 Products

Bluetooth Audio Receiver Board (Apt-X)

US $19.95

SKU: G5792C76247283

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Type: Bluetooth Audio Receiver

Vendor: Tinysine

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Bluetooth Audio Receiver Board (TWS/Apt-X)

US $19.95

In stock 98 Products

Bluetooth Audio Receiver Board (TWS/Apt-X)

US $19.95

SKU: G58FD5FAFE61A5

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Type: Bluetooth Audio Receiver

Vendor: Tinysine

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Bluetooth Audio Receiver Board - RCA

US $14.95

In stock 100 Products

Bluetooth Audio Receiver Board - RCA

US $14.95

SKU: G54B4B61D88A0A

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Type: Bluetooth Audio Amplifier

Vendor: Tinysine

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Bluetooth Audio Receiver Board - RCA (Apt-X)

US $19.50

In stock 100 Products

Bluetooth Audio Receiver Board - RCA (Apt-X)

US $19.50

SKU: G5792C7BD9E2E7

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Type: Bluetooth Audio Amplifier

Vendor: Tinysine

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BOCCE Scoreboard deposit

US $100.00

In stock 1 Products

BOCCE Scoreboard deposit

US $100.00

SKU: BOCCE

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Vendor: BUILDCIRCUITS

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Build Your Own Long-Range FM Transmitter: DIY Project with 3 Transistors and 3 Inductors

US $8.50

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Build Your Own Long-Range FM Transmitter: DIY Project with 3 Transistors and 3 Inductors

US $8.50

Experience top-tier DIY FM transmission with our kit featuring 3 transistors and 3 inductors. Easily broadcast audio signals up to 300 meters with this reliable, user-friendly transmitter. Perfect for beginners with basic soldering skills, achieve flawless performance from the start. Looking for added features? Explore our similar kit with a volume controller, capable of transmitting signals up to 500 meters.

SKU: BC-4614345

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Vendor: All goods free shipping

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CD4026- 1 digit up counter module

US $4.95

Out of Stock

Out of stock

CD4026- 1 digit up counter module

US $4.95

SKU: CD4026

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Type: Object counter

Vendor: Buildcircuit.COM

Out of stock

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CD4029 based up and down counter for Arduino and NE555

US $4.95

In stock 50 Products

CD4029 based up and down counter for Arduino and NE555

US $4.95

SKU: CD4029

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Type: Object counter

Vendor: Buildcircuit.COM

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Clone Arduino Pro Mini based Scoreduino DMD P10 module for 27 types of digital scoreboards

US $29.95

Out of Stock

Out of stock

Clone Arduino Pro Mini based Scoreduino DMD P10 module for 27 types of digital scoreboards

US $29.95

Experience seamless scoreboard customization with our Scoreduino DMD P10 module. Crafted for versatility, this module simplifies the creation of diverse scoreboards, from general timers to specialized setups for cricket, football, and tennis. Controlled effortlessly via the Scoreduino app, it offers 27 output options, 1 output per module, ensuring flexibility tailored to your preferences. With modular scalability and live score retrieval for cricket enthusiasts, building your ideal scoreboard has never been easier.

SKU: SCOPROMINIP10

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Type: Arduino Modules

Vendor: Buildcircuit.COM

Out of stock

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CSR USB-SPI programmer for Bluetooth programming

US $21.95

In stock 99 Products

CSR USB-SPI programmer for Bluetooth programming

US $21.95

SKU: G55F2816675EB9

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Type: Module

Vendor: Tinysine

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Custom device Wifi and Bluetooth operated switch

US $30.00

In stock 20 Products

Custom device Wifi and Bluetooth operated switch

US $30.00

SKU: WIFISW

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Vendor: BUILDCIRCUITS

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