interfacing multi 7 segment display
#7 segment display
#multiplexing
#shift register
#arduino
#microcontroller
#LED
#BCD decoder
#common cathode
#common anode
#embedded systems
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iOS interfacing Frequency Shift Keying (FSK) from Arduino
It has been determined that the Hijack method for obtaining serial data from the Mindflex to the iPhone will likely not be utilized. This decision is primarily based on the availability of most components needed to construct a similar system...
LED Speedometer circuit
The circuit schematics operate at 12 Volts, sourced from a car battery. The ground connection is tied to the car chassis, while the signal is received from a sensor connected to a stepper motor. The No. 5 pin of the...
Serial Servo Controller with Arduino
This document explains how to utilize an Arduino to control up to 12 servos simultaneously with minimal jitter. A straightforward serial interface allows for the control of the position of these 12 servo channels. Additionally, it is possible to save...
Mains Operated LED Circuit Schematic
Compact yet highly functional, this is a straightforward and efficient LED circuit designed to operate directly from the AC mains supply, ranging from 100 volts to 230 volts.
This LED circuit utilizes a few essential components to achieve efficient operation...
LED Blinker with HT-2014M
A very simple LED flasher circuit. With HT-2014L the circuit produces 1 flash per second and the HT-2014M produces 2 flashes per second.
The LED flasher circuit is designed to provide a visual indication through intermittent illumination of an LED. It...
Pressure Activated Light-Up Umbrella using an Arduino
Inspired by a previous project, a unique design was developed that incorporates an umbrella capable of playing musical notes when pressed. For additional information regarding the 4051 chip, which functions as a multiplexer or demultiplexer, refer to resources available on...
Talking Yoda head
The talking Yoda head consists of a Yoda mask and a microcontroller system to achieve the desired operation/effect. The basic operation of the project was specified as follows: The head was to be placed inside a closed box. Upon opening...
10 LED VU meter with LM3915
Supply voltage: 12 V. Supply current: 10 mA in stand-by, max. 80 mA. Input voltage: min. 20 mV rms. Indication range: 30 dB. LED currents: 7 mA. Ref. voltage of IC2: 5 V More: R1 - trimmer 100 k mini...
analog light dimmer circuit connected to microcontroller
Assistance is required to modify a light dimmer circuit connected to a PIC12C508 microcontroller. This circuit is designed for the...
The light dimmer circuit utilizing the PIC12C508 microcontroller serves to control the brightness of a light source through pulse width modulation...